K20 Engine Control Module: Scan Tool Information
Engine Control Module Scan Tool Data
| Parameter | System State | Expected Value | Description |
|---|---|---|---|
| This is a comprehensive list. Not all parameters listed are available for all applications. Base Operating Conditions: Engine Idling/Radiator Hose Hot/Park or Neutral/Closed Loop/Accessories OFF |
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| 5-V Reference 1 - 5 Circuit Status | - | OK | This parameter will display OK if the circuit is good or Malfunction if a short to ground, short to B+ or open circuit is present. |
| 5 V Reference 1, 2, 3, 4 or 5 | Engine Idling | 5 Volts | This parameter displays the voltage sensed on the 5 V reference circuits at the control module. The scan tool will display a higher value at higher voltage. The scan tool will display a lower value at lower voltage. |
| 4WD Low Signal | - | Enabled, Disabled, Invalid | This parameter contains several signals associated with the status of the four wheel drive system. |
| A/C Compressor Clutch Relay Command | A/C On | On | This parameter displays the commanded state of the air conditioning (A/C) compressor output. |
| A/C Compressor Clutch Relay Control Circuit High Voltage Test Status | - | OK | This parameter displays the state of the air conditioning (A/C) clutch relay control circuit. It can display OK, Malfunction or Not Run. The parameter displays Malfunction if the A/C clutch relay control circuit is shorted to voltage. |
| A/C Compressor Clutch Relay Control Circuit Low Voltage Test Status | - | OK | This parameter displays the state of the air conditioning (A/C) clutch relay control circuit. It can display OK, Malfunction or Not Run. The parameter displays Malfunction if the A/C clutch relay control circuit is shorted to ground. |
| A/C Compressor Clutch Relay Control Circuit Open Test Status | - | OK | This parameter displays the state of the air conditioning (A/C) clutch relay control circuit. It can display OK, Malfunction or Not Run. The parameter displays Malfunction if the A/C clutch relay control circuit is opened. |
| A/C Disable - A/C Pressure Out of Range | A/C ON | No | This parameter indicates if the A/C compressor was disengaged due to pressure out of range. |
| A/C Disengage History 1 - 8 | - | Varies | This parameter indicates the last 8 A/C disengage history reasons. These events might include:
|
| A/C High Side Pressure Sensor | A/C OFF | 1.43 Volts | The scan tool displays 0 - 5 volts. The voltage applied to the ECM input for the A/C refrigerant pressure sensor. |
| A/C ON | 2.39 Volts | ||
| A/C High Side Pressure Sensor | A/C OFF | 500 - 2, 220 kPa (72 - 310 psi) | The scan tool displays 0 - 3450 kPa (0 - 500 psi). The voltage applied to the ECM input from the A/C refrigerant pressure sensor is converted to a pressure value. |
| A/C ON | 300 - 1, 220 kPa (43 - 170 psi) | ||
| A/C OFF for WOT | A/C ON/WOT | No | The scan tool displays Yes/No. The state of the A/C request related to wide open throttle. |
| A/C ON/Not WOT | Yes | ||
| A/C Request Signal | A/C ON | Yes | The scan tool displays Yes/No. The HVAC module receives an input request when the HVAC module is turned On. |
| A/C OFF | No | ||
| Accelerator Pedal Position | Accelerator pedal not actuated | 0% | This parameter displays the angle of the accelerator pedal as calculated by the control module using the signals from the accelerator pedal position sensors. The accelerator pedal position (APP) indicated angle is a range of values indicating a low percentage when the accelerator pedal is not depressed to a high percentage when the accelerator pedal is fully depressed. |
| Accelerator pedal fully actuated | 100% | ||
| Accelerator Pedal Position When Engine Overspeed Detected | Engine Idling | % | This parameter displays the accelerator pedal position (APP) observed upon initial detection of an overspeed condition. This value will be updated upon each overspeed condition. |
| Ambient Air Temperature | - | Varies | Outside temperature at any given altitude expressed in degrees |
| Ambient Humidity | - | Varies | Outside humidity at any given altitude expressed in a percentage. |
| APP Sensor 1 | Accelerator pedal not actuated | 0.7 - 1.2 Volts | This parameter displays the voltage signal sent to the control module from APP sensor 1 of the APP sensor assembly. APP sensor 1 is a range of values indicating a low voltage when the accelerator pedal is not depressed to a high voltage when the accelerator pedal is fully depressed. |
| Accelerator pedal fully actuated | 4.2 - 4.5 Volts | ||
| APP Sensor 1 and 2 | - | Agree | This parameter displays Disagree if the control module detects the signal voltage from APP sensor 1 is not in correct relationship to APP sensor 2. The scan tool displays Agree under the normal operating conditions. |
| APP Sensor 1 Circuit Status | - | OK | APP Sensor 1 Out of Range indicates that the sensed accelerator pedal position 1 sensor value is currently out of range or that a Malfunction has been detected based upon the sensed accelerator pedal position 1 sensor value being out of range |
| APP Sensor 1 Learned Released Position | - | Volts | This Parameter indicates the accelerator pedal sensor 1 signal at its minimum learned position (pedal released) as a percentage of its reference voltage. (The minimum learned position is automatically updated periodically as determined by the engine control module (ECM). |
| APP Sensor 1 Position | Accelerator pedal not actuated | 0.0% | This parameter displays the angle of the APP sensor 1 as calculated by the control module using the signal from the APP sensor 1. APP sensor 1 is a range of values indicating a low percentage when the accelerator pedal is not depressed to a high percentage when the accelerator pedal is fully depressed. |
| Accelerator pedal fully actuated | 100% | ||
| APP Sensor 2 | Accelerator pedal at rest position | 0.3 - 0.5 Volts | This parameter displays the voltage signal sent to the control module from APP sensor 2 of the APP sensor assembly. APP sensor 2 is a range of values indicating a low voltage when the accelerator pedal is not depressed to a high voltage when the accelerator pedal is fully depressed. |
| Accelerator pedal at WOT | 2.0 - 2.5 Volts | ||
| APP Sensor 2 Circuit Status | - | OK | APP Sensor 2 Out of Range indicates that the sensed accelerator pedal position 2 sensor value is currently out of range or that a malfunction has been detected based upon the sensed accelerator pedal position 2 sensor value being out of range |
| APP Sensor 2 Learned Released Position | - | Volts | This Parameter indicates the accelerator pedal sensor 2 signal at its minimum learned position (pedal released) as a percentage of its reference voltage. (The minimum learned position is automatically updated periodically as determined by the engine control module (ECM). |
| APP Sensor 2 Position | Accelerator pedal at rest position | 0.0% | This parameter displays the angle of the APP sensor 2 as calculated by the control module using the signal from the APP sensor 2. APP sensor 2 is a range of values indicating a low percentage when the accelerator pedal is not depressed to a high percentage when the accelerator pedal is fully depressed. |
| Accelerator pedal at WOT | 100% | ||
| APP Sensors | - | % | This Parameter contains the accelerator pedal position resulting directly from the settling of differences of the accelerator pedal position sensors (prior to any compensation to determine driver intent). |
| Average Reductant Consumption | - | g/km | This parameter displays the average reductant consumption in gallons per kilometer. |
| Average DPF Regeneration Duration | - | hh:mm:ss | This parameter contains the mean duration of the diesel particulate filter regenerations. The value in this parameter shall be updated after every diesel particulate filter regeneration attempt. |
| Average DPF Inlet Temperature During Regeneration | - | °C (°F) | This parameter contains the mean diesel particulate filter inlet temperature, during the diesel particulate filter regenerations. |
| BARO Sensor 1-2 | - | Varies with altitude | This parameter displays the barometric pressure in kPa. |
| BARO Sensor 1-2 | - | Varies with altitude | This parameter displays the barometric pressure in volts. |
| Base Injector Fuel Rate | - | Varies | This parameter displays the base calculated rate fuel delivered. The rate is calculated in cubic millimeters. |
| Battery Type | Ignition ON | N/A | This parameter displays the battery type. |
| Battery Voltage | Ignition ON | Volts | This parameter displays the battery voltage. |
| Battery Voltage High Resolution | Ignition ON | Volts | This parameter displays the high resolution battery voltage value. |
| Boost System Monitor Complete | - | Yes | The scan tool displays Yes when the Boost System Monitor is Complete. If the scan tool displays No this could indicate a malfunction in the Boost System Monitor circuit. |
| Boost System Monitor Complete This Ignition Cycle | - | Yes/No | The scan tool displays Yes when the Boost System Monitor Complete This Ignition Cycle is completed. |
| Boost System Monitor Enabled | - | Yes | The scan tool displays Yes when the Boost System Monitor is Enabled. If the scan tool displays No this could indicate a malfunction in the Boost System Monitor circuit. |
| Boost System Monitor Enabled This Ignition Cycle | - | Yes/No | The scan tool displays Yes when the Boost System Monitor is Enabled during an ignition cycle. |
| Brake Pedal Position Circuit Signal | Released | Applied/Released | This parameter displays the status of the brake pedal position circuit. |
| Brake Pedal Position Sensor | - | Volts | This parameter displays the brake pedal position sensor in volts. |
| Brake Pedal Position Sensor | - | % | This parameter displays the brake pedal position sensor in percentage applied. |
| Brake Pedal Position Sensor Learned Released Position | - | Volts | This parameter displays the brake pedal learned released position in volts. |
| Brake Pedal Position Sensor Signal | Released | Applied/Released | This parameter displays the status of the brake pedal as determined by the ECM. |
| Calculated Catalyst Temperature | - | °C (°F) | The parameter displays the calculated catalyst temperature in both Celsius and Fahrenheit. |
| Calculated NOx Catalyst Efficiency | - | % | This parameter contains the estimated average efficiency determined by the SCR (Selective Catalyst Reduction) efficiency monitor. |
| Calculated DPF Flow | - | kPa/(liter/s) | This parameter displays the filtered flow resistance of the DPF. |
| Calculated Particulate Filter Soot Accumulation | - | % | This parameter contains the most reliable estimation of the soot mass trapped in the diesel particulate filter. |
| Calculated Soot Mass Causing DPF Pressure Differential | - | g | This parameter displays the calculated soot mass causing a DPF pressure differential. |
| Calibration History Buffer | - | Locked/Unlocked | This parameter displays when the calibration buffer has been locked against further updates due to detection of a non-production calibration. |
| Calibration Verification Number History 1 - 10 | - | # | This parameter displays the history of calibration verification from 1 - 10. |
| Camshaft Position Active Counter | - | Counts | This parameter displays an incrementing counter when the control module receives a signal from the camshaft position sensor. |
| Camshaft Position Sensor | Engine Idling | 0 RPM | This parameter displays the speed of the engine as calculated by the signal from a camshaft position (CMP) sensor. This parameter will always display 0 unless a condition with the CKP sensor or CKP reluctor exists. If a CKP condition exists the control module will use a valid CMP sensor signal to determine engine speed and crank/camshaft position. |
| Camshaft Position Signal Output Circuit High Voltage Test Status | Engine Idling | OK | This parameter displays the state of the Camshaft Position Signal Output Circuit. The parameter displays Malfunction if the Camshaft Position Signal Output Circuit is shorted to voltage. |
| Camshaft Position Signal Output Circuit Low Voltage Test Status | Engine Idling | OK | This parameter displays the state of the Camshaft Position Signal Output Circuit. The parameter displays Malfunction if the Camshaft Position Signal Output Circuit is shorted to ground. |
| Camshaft Position Signal Output Circuit Open Test Status | Engine Idling | OK | This parameter displays the state of the Camshaft Position Signal Output Circuit. The parameter displays Malfunction if the Camshaft Position Signal Output Circuit is open. |
| Catalyst Monitor Complete | - | Yes | This parameter indicates the status of the Catalyst. The scan tool displays Yes when the diagnostic is complete. And No if the diagnostic has Not ran or a malfunction is detected in the Catalyst. |
| Catalyst Monitor Complete This Ignition Cycle | - | Yes/No | This parameter indicates the status of the catalyst monitor diagnostic. Catalyst Monitor Test Running indicates Yes or No when the catalyst monitor diagnostic is actively running a test |
| Catalyst Monitor Enabled | - | Yes/No | The scan tool displays Yes when the Catalyst Monitor is Enabled. If the scan tool displays No this could indicate a malfunction in the Catalyst Monitor circuit. |
| Catalyst Monitor Enabled This Ignition Cycle | - | Yes/No | This parameter indicates the status of the catalyst monitor diagnostic. Catalyst Monitor Test Running indicates Yes or No when the catalyst monitor diagnostic is actively running a test |
| Change Engine Oil Indicator Command | - | Off | Engine Oil Change Indication On indicates that the change engine oil indication is being requested On in order to inform the driver that the engine oil needs to be changed. |
| Charge Air Cooler Temperature | - | Varies | This parameter displays the charge air cooler temperature measured by a sensor located first in the charge air cooler stream. |
| Charge Air Cooler Inlet Temperature | - | °C (°F) | This parameter contains the undefaulted charge air cooler temperature measured by a sensor located first in the charge air cooler stream in relationship to any other charge air cooler temperature sensors in the system. |
| Charge Air Cooler Outlet Temperature | - | °C (°F) | This parameter contains the undefaulted charge air cooler temperature measured by a sensor located second in the charge air cooler stream in relationship to any other charge air cooler temperature sensors in the system. |
| {If equipped} Clutch Pedal Starter Inhibit Switch | Engine Idling | On | This parameter displays ON when the clutch pedal is released. |
| {If equipped} Clutch Pedal Switch | Engine Idling | Released | This parameter displays the state of the clutch pedal as determined by the control module from the clutch pedal switch. |
| Component Monitor Complete | - | Yes/No | This parameter displays Yes when the Component Monitor is Complete. The engine control module looks at many input and output components to make this determination. If a malfunction is detected the scan tool will display No. |
| Component Monitor Enabled | - | Yes/No | This parameter displays Yes when Component Monitor is Enabled. And No when it is not Enabled. |
| Compression Test | - | Not Running | This parameter displays the status of the engine compression test. |
| Control Module Voltage Signal | - | B+ | This parameter displays the voltage of the power input to the engine control module. Since battery voltage is not directly measured by engine control module, switched battery voltage from the Run/Crank input to the engine control module is displayed. |
| Cooling Fan Command | - | % | This parameter displays the cooling fan duty cycle. |
| Cooling Fan Control Circuit 1 - 2 High Voltage Test Status | - | OK | This parameter displays the state of the cooling fan control circuit. The parameter displays Malfunction if the cooling fan control circuit is shorted to voltage. |
| Cooling Fan Control Circuit 1 - 2 Low Voltage Test Status | - | OK | This parameter displays the state of the cooling fan control circuit. The parameter displays Malfunction if the cooling fan control circuit is shorted to ground. |
| Cooling Fan Control Circuit 1 - 2 Open Test Status | - | OK | This parameter displays the state of the cooling fan control circuit. The parameter displays Malfunction if the cooling fan control circuit is opened. |
| Cooling Fan Speed | Ignition ON | Varies | This parameter displays the current state of the cooling fan speed. (For example OFF, Low, Medium, or High) rather than rotational speed. |
| Cooling Motor Fan Command | - | % | This parameter displays the cooling fan duty cycle. |
| Crank Request Signal | - | Yes | This parameter displays the state of the crank request input to the control module from the ignition switch. The scan tool will display Yes when the ignition switch is in the Crank position. The scan tool will display No when the ignition switch is in any other position. |
| Crankshaft Position Active Counter | - | Counts | This parameter displays an incrementing counter when the control module receives a signal from the crankshaft position sensor (CKP). |
| Crankshaft Position Sensor | Engine Idling | RPM | This parameter displays engine speed. |
| Crankshaft Position Variation Learn | Ignition ON | Not Learned | This parameter displays if the crank angle learned this key cycle. |
| Crankshaft Position Variation Learn Status Engine Speed Range 1 | - | Not Learned | This parameter displays the progress for the crank wheel adaption learning at 900 - 1450 rpm. |
| Crankshaft Position Variation Learn Status | Ignition ON | Complete | This parameter displays the status of the crank angle sensing error (CASE) learn algorithm. |
| Crankshaft Position Variation Learn Status Engine Speed Range 2 | - | Not Learned | This parameter displays the progress for the crank wheel adaption learning at 1451 - 1900 rpm. |
| Cruise Control | - | Inactive | This parameter displays the status of the cruise control system as determined by the control module. The scan tool will display Active when the cruise control system is in control of vehicle speed. The scan tool will display Inactive when the cruise control system is not operating. |
| Cruise Control | - | Disabled | This parameter displays the status of the cruise control system as determined by the control module. The scan tool will display Enabled when the cruise control system is in control of vehicle speed. The scan tool will display Disabled when the cruise control system is not operating. |
| Cruise Control Cancel Switch | - | Inactive | This parameter displays the status of the cruise control cancel switch |
| Cruise Control Inhibit Reason | - | None | The parameter displays the reason the cruise control system cannot engage. |
| Cruise Control On/Off Switch | - | Off | This parameter displays the state of the On/Off switch input to the control module. The scan tool will display On when the cruise On/Off switch is ON. The scan tool will display Off when the cruise ON/OFF switch is OFF. |
| Cruise Control Resume/Acceleration Switch | - | Inactive | This parameter displays the state of the Resume/Accel switch input to the control module When the cruise control switch is in the On position and the Resume/Accel switch is activated, the scan tool displays On. When the Resume/Accel switch is released the scan tool displays Off. |
| Cruise Control Set/Coast Switch | - | Inactive | This parameter displays the state of the Set/Coast switch input to the control module from the cruise control system. When the cruise control switch is in the on position and the Set/Coast switch is activated, the scan tool displays Active. When the Set/Coast switch is released the scan tool displays Inactive. |
| Cruise Control Disengage 1 - 8 History | Cruise ON | Reason for Cruise Disengagement | These parameters indicate the last 8 reasons the ECM disengaged the cruise control. Reason 1 contains the most recent reason. The reasons may include the following: Brake Pedal Initialize, Cancel, Clutch, Coast Disengage, Coast Speed Low, TAC Inhibit, Accel Rate, Decel Rate, High Speed, Illegal Mode, Low Speed, None, Cruise Sw OFF, Over Set Speed, S/C On Speed Hi, ECM Inhibit, Simul S/C-R/A, TCS, Under Set Speed, DLC Override, Memory DTC, Eng Run Time, Engine Speed, DTC Set, RPM Limit, First Gear, APP Override, Low Voltage, D Whl Spd Low, D Whl Spd Hi, Cruise S/S, Cruise Sw Data, ECT Overtemp, VSES, Trans. DTC, BPP Data, BPP DTC, Park Brake, ACC Inhibit, ACC Brake DTC, ACC Option, ACC Brake Inop, PTO Active. |
| Cylinder 1, 2, 3, 4, 5, 6, 7 or 8 Balancing Rate | - | Varies | These parameters display the adjustment in fuel volume for each cylinder as calculated by the control module. The scan tool will display a negative balancing rate if the fuel volume is lowered. The scan tool will display a positive balancing rate if the fuel volume is increased. |
| Cylinder 1, 2, 3, 4, 5, 6, 7 or 8 Compression Test Time After TDC | - | Varies | This parameter displays the captured time it takes for the crankshaft to travel from Top Dead Center (TDC) to a calculated distance in degrees. The ECM stores the value from the latest performed engine compression test. A longer travel time indicates a bad cylinder. |
| Cylinder 1, 2, 3, 4, 5, 6, 7 or 8 Compression Test Time Before TDC | - | Varies | This parameter displays the captured time it takes for the crankshaft to travel a calculated distance in degrees before it reaches Top Dead Center (TDC). The ECM stores the value from the latest performed engine compression test. A shorter travel time indicates a bad cylinder. |
| Cylinder 1, 2, 3, 4, 5, 6, 7 or 8 Current Misfire Counter | - | Counts | This parameter displays the number of misfires detected for cylinder's 1 - 8 within the current 100 engine cycle test interval. The set of misfire counters for the individual cylinders are maintained such that if a single misfire is detected over an engine cycle. |
| Cylinder 1, 2, 3, 4, 5, 6, 7 or 8 History Misfire Counter | - | Count | This parameter displays the number of misfires detected for cylinder's 1 - 8 since a misfire failure has been reported. |
| Cylinder 1, 2, 3, 4, 5, 6, 7 or 8 Injection Timing | - | ° | This parameter displays the start point of the main injection in degrees crank shaft (°CS) relative to Top Dead Center (TDC) of cylinder's 1 - 8. |
| Cylinder 1, 2, 3, 4, 5, 6, 7 or 8 Injector Command | - | ms | This parameter displays the total injection time of cylinder's 1 - 8. Total injection time includes all pilot injections, main injections and post injections. |
| Cylinder 1, 2, 3, 4, 5, 6, 7 or 8 Injector Control Circuit Status | - | OK | This parameter displays the status of the fuel injector's 1 - 8 output malfunction for Short circuit from injector high side to ground or system voltage, Short circuit from injector low side to injector low side, Short circuit from injector low side to ground or system voltage, Short circuit from injector high side to low side and Injector open circuit. |
| Cylinder 1, 2, 3, 4, 5, 6, 7 or 8 Injector Control Circuit High Voltage Test Status | Ignition ON | OK | This parameter displays the state of the injector control circuit. The parameter displays Malfunction if the injector control circuit is shorted to voltage. |
| Cylinder 1, 2, 3, 4, 5, 6, 7 or 8 Injector Control Circuit Low Voltage Test Status | Ignition ON | OK | This parameter displays the state of the injector control circuit. The parameter displays Malfunction if the injector control circuit is shorted to ground. |
| Cylinder 1, 2, 3, 4, 5, 6, 7 or 8 Injector Control Circuit Open Test Status | Ignition ON | OK | This parameter displays the state of the injector control circuit. The parameter displays Malfunction if the injector control circuit is open. |
| Cylinder 1, 2, 3, 4, 5, 6, 7 or 8 Injector Flow Identifier | - | Varies | This parameter is used to correct the injected quantity of each injector When injectors are replaced or exchanged, the Injector Quantity adjustment values of the replaced or exchanged injectors have to be entered into the ECM to ensure acceptable engine performance regarding emissions |
| Cylinder 1, 2, 3, 4, 5, 6, 7 or 8 Pilot Injection Command | - | On/Off | This parameter displays the pilot injection status information for the injectors. |
| Cylinder 1, 2, 3, 4, 5, 6, 7 or 8 Post Injection Command | - | ms | This parameter displays the 2nd fuel injection time for Cylinder's 1 - 8. |
| Cylinder Head Temperature Sensor | - | °C (°F) | This parameter displays the cylinder head temperature in °C (°F). |
| Deceleration Fuel Cut-Off | - | Inactive | Decel Fuel Cut Off Active indicates that the conditions to enable deceleration fuel cut-off (DFCO) are active and that torque is being reduced by turning off one or more fuel injectors |
| Desired Boost Pressure | - | Varies | This parameter displays the Turbocharger Boost pressure as commanded by the control module. This parameter shows the turbocharger boost pressure in kPa. |
| Desired Cooling Fan Speed | - | RPM | This parameter displays the desired fan speed for engine driven fan systems. |
| Desired EGR Position | - | % | This parameter displays the position of the exhaust gas recirculation (EGR) valve commanded by the control module. The scan tool will display 0 percent when the control module is commanding the EGR valve closed. The scan tool will display a higher percentage when the EGR valve is commanded open. |
| Desired EGR Cooler Bypass Valve Position | - | % | This parameter contains the desired exhaust gas recirculation (EGR) cooler bypass valve displacement (corrected based upon its learned minimum position). |
| Desired Fuel Pressure Regulator 1 Current | - | mA | This parameter displays the desired current for the fuel pressure control metering unit |
| Desired Fuel Pressure | Ignition ON | kPa (PSI) | This parameter displays the desired fuel supply pressure. |
| Desired Fuel Rail Pressure | - | MPa/PSI | This parameter displays the desired fuel rail pressure as calculated by the control module. This value is calculated based on engine speed, engine load, and sensor inputs. The scan tool will display a higher value at higher engine speeds and loads, and a lower value at idle. |
| Desired Idle Speed | - | 600 - 825 RPM | This parameter displays the engine idle speed in RPM as commanded by the control module. The control module compensates for various engine loads in order to maintain the desired engine speed at idle. This parameter is not valid unless the engine is running. |
| Desired Intake Air Flow Valve Position | - | % | This parameter will display the position of the intake air flow valve as a percentage. |
| Desired NOx Catalyst Reductant Load | - | - | This parameter contains the NH3 (Ammonia) storage setpoint value for the SCR (Selective Catalyst Reduction) system in terms of gram. |
| Desired Reductant Injector Command | - | ms | This parameter contains the desired injection time of the reductant dosing valve. |
| Desired Reductant Pressure | - | kPa (PSI) | This parameter contains the desired reductant system pressure. |
| Desired Reductant Pump Speed | - | RPM | This parameter contains the desired reductant pump motor speed. |
| Desired Turbocharger Vane Position | - | Varies | This parameter displays the position of the turbocharger vane position sensor as the turbocharger vane position is commanded by the control module. The scan tool will display 0 percent when the control module is commanding the vanes open. The scan tool will display a higher percentage when the vanes are commanded closed. |
| Diesel Particulate Filter Pressure | - | kPa (PSI) | This parameter contains the diesel particulate filter pressure calculated as the difference between ambient air pressure (barometric pressure) and the exhaust gas pressure |
| Distance Since DTC Cleared | - | km/miles | This parameter displays the distance accumulated since an emission diagnostic trouble code was cleared. The scan tool will display increasing distance as the vehicle is driven. |
| Distance Since First Malfunction | - | km/miles | This parameter displays the distance accumulated since first malfunction was captured. This parameter is only meaningful within the context of a failure record or freeze frame. |
| Distance Since Last DPF Regeneration | - | Varies | This parameter will display the amount of vehicle travel after a DPF regeneration. This parameter will be displayed in km/miles. |
| Distance Since Last Malfunction | - | km/miles | This parameter displays the distance accumulated since last malfunction was captured. This parameter is only meaningful within the context of a failure record or freeze frame. |
| Distance This Driving Cycle | - | km/miles | This parameter displays the distance a vehicle has traveled in the current driving cycle. |
| Distance Traveled | - | km/miles | This parameter displays the distance driven since the last electrically erasable programmable read only memory (EEPROM) initialization. |
| DPF Differential Pressure | - | kPa | This parameter displays the pressure difference between the first and second DPF pressure sensors. |
| DPF Differential Pressure (Corrected) | - | kPa | This parameter displays the adapted value of the DPF differential pressure sensor. |
| DPF Differential Pressure Sensor | - | Volts | This parameter will display the voltage differential between the front and rear pressures at the DPF as calculated by the ECM. This will be displayed in volts. As the DPF becomes restricted the differential pressure increases and the voltage will get higher. |
| DPF Indicator Command | - | Off | This parameter will display the status of the IPC mounted DPF status light. This parameter will display On/Off. |
| DPF Monitor Complete | - | Yes | This parameter displays the status of the DPF monitor, the parameter displays Yes when the monitor is complete. |
| DPF Monitor Complete This Ignition Cycle | - | Yes | This parameter displays Yes if completion status during the current driving/monitoring cycle of the DPF Monitor is complete. |
| DPF Monitor Enabled | - | Yes | This parameter displays Yes if the enabling conditions are complete. |
| DPF Monitor Enabled This Ignition Cycle | - | Yes | This parameter displays Yes if the enabled status during the current driving/monitoring cycle of the DPF Monitor is complete. |
| DPF Pressure Differential Due to Soot | - | kPa | This parameter will display the difference between the front and rear pressures at the DPF as calculated by the ECM due to soot. |
| DPF Regeneration Inhibit Reason | - | None | This parameter displays the regeneration interruption reason for normal regeneration. |
| DPF Regeneration Reason | - | None | This parameter displays the regeneration demand and completion status. |
| DPF Regeneration Status | - | Inactive/Active | This parameter displays the status of the Diesel Particulate regeneration activity. |
| DPF Regenerations Completed | - | Counts | This parameter displays the number of successful regenerations. |
| DPF Soot Accumulation | - | g | This parameter displays the mass of soot in the Diesel Particle Filter measured in grams |
| DPF Soot Mass Correction | - | g | This parameter contains the total correction to the soot mass caused by CRT (Continuous Regeneration Trap) effect. |
| Drag control Status | - | Active/Inactive | EDC Active (Drag Active) control mode is indicated when the requested torque signal is above the driver requested value while the traction control system signal input is active. |
| Driver Demanded Engine Torque | - | % | This parameter displays the requested torque output of the engine by the driver. |
| Drop Throttle Detected while Traction Control Active | - | No | Drop Throttle Control Mode is indicated when this parameter displays Yes. |
| Drop Throttle Status | - | Inactive | This parameter provides an indication when the controller software determines a condition is present where the vehicle operator has abruptly released the accelerator pedal (drop-throttle) after a period of acceleration. |
| ECM Authentication Status | - | Valid | Authentication Status indicates the result of the comparison between the last received immobilizer response and the expected response calculated by the engine control module (ECM). |
| ECM Challenge Status | - | Valid | This parameter displays the condition of the ECM code challenge to the BCM. |
| ECM Requested Particulate Matter Mass Concentration Measurement | - | No | This parameter indicates the ECM has requested a measurement of particulate matter mass from the particulate matter sensor. |
| ECM Requested Particulate Matter Sensor Initialization | - | No | This parameter displays Yes when the particulate matter sensor is initialized by the ECM. |
| ECM Response Source | - | Normal Start | This parameter displays ECM response source. |
| ECT Sensor | - | 85 - 105°C/185 - 220°F | This parameter displays the temperature of the engine coolant based on the input from the engine coolant temperature (ECT) sensor. When the coolant temperature is low, the scan tool will display a low temperature. When the coolant temperature is high, the scan tool will display a high temperature. |
| EGR/Camshaft Position Monitor Complete | - | Yes/No | This parameter displays the status of the EGR/Camshaft Position Monitor. The parameter will display Yes when the EGR/Camshaft Position Monitor is complete. |
| EGR/Camshaft Position Monitor Complete This Ignition Cycle | - | Yes/No | This parameter displays the status of the EGR/Camshaft Position Monitor for this Ignition Cycle. The parameter will display Yes when the EGR/Camshaft Position Monitor is complete this Ignition Cycle. |
| EGR/Camshaft Position Monitor Enabled | - | Yes/No | This parameter displays the status of the EGR/Camshaft Position Monitor. The parameter will display Yes when the EGR/Camshaft Position Monitor is Enabled. |
| EGR/Camshaft Position Monitor Enabled This Ignition Cycle | - | Yes/No | This parameter displays the status of the EGR/Camshaft Position Monitor for this Ignition Cycle. The parameter will display Yes when the EGR/Camshaft Position Monitor is Enabled this Ignition Cycle. |
| EGR Command | - | % | This parameter displays the commanded duty cycle for the exhaust gas recirculation (EGR) output. |
| EGR Control Circuit 1 High Voltage Status | - | OK | This parameter displays the state of the EGR Control circuit 1. The parameter displays Malfunction if the EGR Control circuit 1 is shorted to voltage. |
| EGR Control Circuit 1 Low Voltage Status | - | OK | This parameter displays the state of the EGR Control circuit 1. The parameter displays Malfunction if the EGR Control circuit 1 is shorted to ground. |
| EGR Control Circuit 2 High Voltage Status | - | OK | This parameter displays the state of the EGR Control circuit 2. The parameter displays Malfunction if the EGR Control circuit 2 is shorted to voltage. |
| EGR Control Circuit 2 Low Voltage Status | - | OK | This parameter displays the state of the EGR Control circuit 2. The parameter displays Malfunction if the EGR Control circuit 2 is shorted to ground. |
| EGR Control Circuit Open Test Status | - | OK | This parameter displays the state of the EGR Control circuit. The parameter displays Malfunction if the EGR Control circuit is open. |
| EGR Control Circuit Shorted Test Status | - | OK | This parameter displays the state of the EGR Control circuit. The parameter displays Malfunction if the EGR Control circuit is shorted. |
| EGR Control Driver Overcurrent | - | No | This parameter displays the state of the EGR Control circuit. The parameter displays Yes if the EGR Control Driver Overcurrent is detected. |
| EGR Control Driver Overtemperature | - | No | This parameter displays the state of the EGR Control circuit. The parameter displays Yes if Over Temperature is Detected and that the driver circuit has been shut OFF. |
| EGR Control Driver Temperature Dependent Overcurrent | - | No | This parameter displays the state of the EGR Control circuit. The parameter displays Yes if Temperature Dependent over Current Detected and that the driver circuit has been shut OFF. |
| EGR Control Driver Undervoltage | - | No | This parameter displays the state of the EGR Control circuit. The parameter displays Yes when the Under Voltage Detected indicates that the entire system voltage is low. |
| EGR Cooler Bypass Valve Command | - | % | This parameter displays the commanded duty cycle for the Exhaust Gas Recirculation Cooler Bypass Valve actuator output. |
| EGR Cooler Bypass Valve Control Circuit High Voltage Test Status | - | OK | This parameter displays the state of the EGR Cooler Bypass Valve Control circuit. The parameter displays Malfunction if the EGR Cooler Bypass Valve Control circuit is shorted to voltage. |
| EGR Cooler Bypass Valve Control Circuit Low Voltage Test Status | - | OK | This parameter displays the state of the EGR Cooler Bypass Valve Control circuit. The parameter displays Malfunction if the EGR Cooler Bypass Valve Control circuit is shorted to ground. |
| EGR Cooler Bypass Valve Control Circuit Open Test Status | - | OK | This parameter displays the state of the EGR Cooler Bypass Valve Control circuit. The parameter displays Malfunction if the EGR Cooler Bypass Valve Control circuit is open. |
| EGR Cooler Bypass Valve Control Circuit Shorted Test Status | - | OK, Malfunction, Not Run | This parameter contains the control circuit status of the exhaust gas recirculation cooler bypass valve output |
| EGR Cooler Bypass Valve Control Driver Overcurrent | - | No | This parameter displays the state of the EGR Cooler Bypass Valve Control circuit. The parameter displays Yes if the EGR Cooler Bypass Valve Control Driver Overcurrent is detected. |
| EGR Cooler Bypass Valve Control Driver Overtemperature | - | No | This parameter displays the state of the EGR Cooler Bypass Valve Control circuit. The parameter displays Yes if Over Temperature is Detected and that the driver circuit has been shut OFF. |
| EGR Cooler Bypass Valve Control Driver Temperature Dependant Overcurrent | - | No | This parameter displays the state of the EGR Cooler Bypass Valve Control circuit. The parameter displays Yes if Temperature Dependent over Current Detected and that the driver circuit has been shut OFF. |
| EGR Cooler Bypass Valve Control Driver Undervoltage | - | No | This parameter displays the state of the EGR Cooler Bypass Valve Control circuit. The parameter displays Yes when the Under Voltage Detected indicates that the entire system voltage is low. |
| EGR Cooler Bypass Valve Learned Closed Position | - | OK, Malfunction, Not Run | This parameter contains the control circuit status of the exhaust gas recirculation cooler bypass valve output |
| EGR Cooler Bypass Valve Learned Open Position | - | OK, Malfunction, Not Run | This parameter contains the control circuit status of the exhaust gas recirculation cooler bypass valve output |
| EGR Cooler Bypass Valve Position | - | % | This parameter contains the actual exhaust gas recirculation (EGR) cooler bypass valve displacement determined by a position sensor (corrected based upon its learned minimum position). |
| EGR Cooler Bypass Valve Position Sensor | - | Volts | This parameter contains the Exhaust Gas Recirculation Cooler Bypass Valve position sensor analog input as a percentage of its reference voltage |
| EGR Cooler Temperature Sensor 1 | - | °C (°F) | This parameter will display the exhaust temperature entering the EGR Cooler. The EGR Temp Sensor 1 temperature will be warmer than the EGR Temp Sensor 2. |
| EGR Cooler Temperature Sensor 2 | - | °C (°F) | This parameter will display the exhaust temperature exiting the EGR Cooler. The EGR Temp Sensor 2 temperature will be cooler than the EGR Temp Sensor 1. |
| EGR Temperature Sensor 1 | - | °C (°F) | This parameter contains the undefaulted exhaust gas recirculation cooler temperature measured by a sensor that is located before the inlet of the EGR heat exchanger. |
| EGR Temperature Sensor 2 | - | °C (°F) | This parameter contains the undefaulted exhaust gas recirculation cooler temperature measured by a sensor that is located on the outlet of the EGR heat exchanger. |
| EGR Learned Minimum Position | - | Volts | This parameter displays the learned minimum position of the EGR valve as calculated by the control module. The scan tool will display a low value if the current closed EGR position is the same as the last ignition cycle. The scan tool will display a higher value if the EGR valve has closed at a new position. |
| EGR Learned Minimum Position This Ignition Cycle | - | % | This parameter displays the Exhaust Gas Recirculation Sensor Learned Minimum Position. |
| EGR Position Sensor | - | % | This parameter displays the EGR valve position as calculated by the control module based on an input from the EGR valve position sensor. The scan tool will display a lower value when the EGR valve is closed, and a higher value when the EGR valve is open. |
| EGR Position Sensor | - | 1.75 Volts | This parameter displays the voltage signal received from the EGR valve position sensor by the control module. The scan tool will display a lower value when the EGR valve is closed, and a higher value when the EGR valve is open. |
| EGR Position Variance | - | % | This parameter displays the EGR position variance from the last learned position. |
| EGR System Malfunction Warning Indicator Command | - | Off | This parameter indicates when the EGR system malfunction warming indicator is commanded ON. |
| Electric Power management Inhibit reason | - | None | This parameter displays the reason of the Regulated Voltage Control (RVC) override command. RVC lowers system operating voltage to reduce system electrical load and improve fuel economy performance. |
| Engine Calibration Monitoring | - | Not Present | This parameter displays Present when Incorrect Engine Calibration Detected. |
| Engine Calibration Monitoring Identifier | - | Programmed/Not Programmed | This parameter contains status bits associated with the Engine Upgrade Protection strategy. |
| Engine Calibration Part Number History 1 - 10 | - | # | This parameter displays the part number of the 10 most recent calibrations. |
| Engine Calibration Part Number History 1 - 10 Counter | - | Counts | This parameter displays the current count of engine calibrations. |
| Engine Controls Ignition Relay Command | - | On | This parameter displays the state of the control circuit for engine control module power relay as commanded by the engine control module. |
| Engine Controls Ignition Relay Feedback 2 Signal | Ignition ON | Volts | This parameter indicates the signal voltage from the second input to the controller from the powertrain relay. |
| Engine Controls Ignition Relay Feedback 3 Signal | Ignition ON | Volts | This parameter indicates the signal voltage from the third input to the controller from the powertrain relay. |
| Engine Controls Ignition Relay Control Circuit High Voltage Test Status | - | OK | This parameter displays the state of the Engine Controls Ignition Relay control circuit. The parameter displays Malfunction if the Engine Controls Ignition Relay control circuit is shorted to voltage. |
| Engine Controls Ignition Relay Control Circuit Low Voltage Test Status | - | OK | This parameter displays the state of the Engine Controls Ignition Relay control circuit. The parameter displays Malfunction if the Engine Controls Ignition Relay control circuit is shorted to ground. |
| Engine Controls Ignition Relay Control Circuit Open Test Status | - | OK | This parameter displays the state of the Engine Controls Ignition Relay control circuit. The parameter displays Malfunction if the Engine Controls Ignition Relay control circuit is open. |
| Engine Controls Ignition Relay Feedback Signal | - | 12.0-14.9 V | This parameter displays the voltage available at the Engine Controls Ignition Relay pin of the engine control module. |
| Engine Load | - | Varies | This parameter displays the engine load in percent based on inputs to the control module from various engine sensors. The scan tool will display a low percentage when the engine is at idle with little or no load. The scan tool will display a high percentage when the engine is running at a high RPM under a heavy load. |
| Engine Load During Misfire History 1-10 | Ignition ON | % | This parameter displays the engine load during the last misfire event. |
| Engine Off Time | - | 0:00:00 Seconds - Varies | This parameter displays the amount of time that has elapsed since the engine was last cycled OFF. |
| Engine Oil Absolute Pressure Sensor | - | kPa/PSI | This parameter displays the absolute pressure of the engine oil in kPa and psi. |
| Engine Oil Level Switch | - | OK/Low | This parameter displays the status of the engine oil level switch as determined by the control module. The control module uses this information to turn on the low engine oil lamp if the engine oil level remains approximately 1 quart low for a sufficient amount of time. The scan tool will display Low when the engine oil level is low. The scan tool will display OK when the engine oil level is correct. |
| Engine Oil Life Remaining | - | Varies | This parameter displays the amount engine oil life remaining before requiring an oil change based on calculations by the control module. The scan tool will display lower values as the engine oil life approaches 0 miles. |
| Engine Oil Pressure | - | kPa/PSI | This parameter displays the pressure of the engine oil as calculated by the control module using a signal from the engine oil pressure (EOP) sensor. The scan tool will display oil pressure when the engine is running. The engine oil pressure sensor has a range of values indicating a low value when the oil pressure is low to a high value when the oil pressure is high. |
| Engine Oil Pressure Control Solenoid Valve Command | - | High Pressure/Low Pressure | This parameter displays the current command of the oil pressure solenoid valve. |
| Engine Oil Pressure Control Solenoid Valve Control Circuit High Voltage Test Status | - | OK | This parameter displays the status of the output driver for the engine oil pressure control solenoid circuit. The parameter displays Malfunction if the engine oil pressure control solenoid circuit is shorted to voltage. |
| Engine Oil Pressure Control Solenoid Valve Control Circuit Low Voltage Test Status | - | OK | This parameter displays the status of the output driver for the engine oil pressure control solenoid circuit. The parameter displays Malfunction if the engine oil pressure control solenoid circuit is shorted to ground. |
| Engine Oil Pressure Control Solenoid Valve Control Circuit Open Voltage Test Status | - | OK | This parameter displays the status of the output driver for the engine oil pressure control solenoid circuit. The parameter displays Malfunction if the engine oil pressure control solenoid circuit is open. |
| Engine Oil Pressure Sensor | - | Volts | This parameter displays the actual engine oil pressure measured by a sensor in volts. |
| Engine Oil Pressure Switch | - | OK | This parameter displays the state of the EOP as determined by the control module. The control module monitors the engine oil pressure (EOP) switch to determine if the EOP is sufficient. The scan tool will display low when the EOP is below a predetermined value. |
| Engine Run Time | - | Varies | This parameter displays the time elapsed since the engine was started. The scan tool will display the time in hours, minutes and seconds. The engine run time will reset to zero when the engine stops running. |
| Engine Run Time Since Last DPF Regeneration | - | Varies | This parameter displays the total of time since the last regeneration. This parameter will be displayed in hours, minutes and seconds. |
| Engine Serial Number | - | # | This parameter displays the current engine serial number. |
| Engine Speed | - | 600 - 800 RPM | This parameter displays the speed of the crankshaft as determined by the ECM using an input from the CKP sensor. The scan tool will display a high value at high engine speeds and a low value at low engine speeds. |
| Engine Speed During Misfire History 1 - 5 | Ignition ON | RPM | This parameter displays the last 5 engine speeds during misfire events. |
| Engine Speed When Engine Overspeed Detected | Engine Idling | RPM | This parameter displays the engine speed observed upon initial detection of an overspeed condition. This value will be updated after each overspeed condition. |
| Engine Torque | - | Varies | This parameter displays the estimated amount of torque that is delivered from the engine. The scan tool displays engine torque in Y (lb-ft). The ECM sends the engine torque information to the TCM via the high speed GMLAN serial data line. |
| {If equipped} Exhaust Aftertreatment Fuel Injection System |
- | Inactive | This parameter displays the state of the Exhaust Aftertreatment Fuel Injection System command. |
| {If equipped} Exhaust Aftertreatment Fuel Injector Test Abort Reasons |
- | None, Fuel Pressure Out of Range, Vehicle Speed Detected, Incorrect Power Mode, Exhaust Gas Temperature Too High, DTC Present, Diesel Particulate Filter Regeneration Active, Engine Must Be Running, Transmission Must Be in Park or Neutral, Exhaust Gas Temperature Too Low | This parameter contains the abort reason for the Exhaust Aftertreatment Fuel Injector Tip Cleaning Trigger Device Control and Exhaust Aftertreatment Fuel Injector Flow Test Trigger |
| {If equipped} Exhaust Aftertreatment Fuel Injector Test Status |
- | Not Requested, Flow Test Active, Flow Test Complete, Flow Test Aborted, Cleaning Procedure Active, Cleaning Procedure Complete, Cleaning Procedure Aborted | This parameter contains the status of the Exhaust Aftertreatment Fuel Injector Tip Cleaning and Flow Test device controls. |
| {If equipped} Exhaust Aftertreatment Fuel Injector Command |
- | % | This parameter displays the state of the Exhaust Aftertreatment Fuel Injection System command in percentage. |
| {If equipped} Exhaust Aftertreatment Fuel Injector Control Circuit Command |
- | Off | This parameter displays the state of the Exhaust Aftertreatment Fuel Injection Control Circuit command. |
| {If equipped} Exhaust Aftertreatment Fuel Injector Control Circuit High Voltage Test Status |
- | OK | This parameter displays the status of the exhaust aftertreatment fuel injector control circuit. The parameter displays Malfunction if the exhaust aftertreatment fuel injector circuit is shorted to voltage. |
| {If equipped} Exhaust Aftertreatment Fuel Injector Control Circuit Low Voltage Test Status |
- | OK | This parameter displays the status of the exhaust aftertreatment fuel injector control circuit. The parameter displays Malfunction if the exhaust aftertreatment fuel injector control circuit is shorted to ground. |
| {If equipped} Exhaust Aftertreatment Fuel Injector Control Circuit Open Test Status |
- | OK | This parameter displays the status of the exhaust aftertreatment fuel injector control circuit. The parameter displays Malfunction if the exhaust aftertreatment fuel injector control circuit is open. |
| {If equipped} Exhaust Aftertreatment Fuel Injector Control Circuit Shorted Test Status |
- | OK | This parameter displays the status of the exhaust aftertreatment fuel injector control circuit. The parameter displays Malfunction if the exhaust aftertreatment fuel injector control circuit is shorted. |
| {If equipped} Exhaust Aftertreatment Fuel Injector Control Driver Overtemperature |
- | No | This parameter displays if the Exhaust Aftertreatment Fuel Injector Control Driver (low side) has reached an overtemperature condition. |
| {If equipped} Exhaust Aftertreatment Fuel Injector High Control Circuit High Voltage Test Status |
- | OK | This parameter displays the status of the exhaust aftertreatment fuel injector high control circuit. The parameter displays Malfunction if the exhaust aftertreatment fuel injector high control circuit is shorted to voltage. |
| {If equipped} Exhaust Aftertreatment Fuel Injector High Control Circuit Low Voltage Test Status |
- | OK | This parameter displays the status of the exhaust aftertreatment fuel injector high control circuit. The parameter displays Malfunction if the exhaust aftertreatment fuel injector high control circuit is shorted to ground. |
| {If equipped} Exhaust Aftertreatment Fuel Injector High Control Driver Overtemperature |
- | No | This parameter displays if the Exhaust Aftertreatment Fuel Injector High Control Driver (high side) has reached an overtemperature condition. |
| {If equipped} Exhaust Aftertreatment Monitor Complete |
- | No | This parameter displays the state of Exhaust Aftertreatment Monitor. The parameter displays Yes when the Exhaust Aftertreatment Monitor is complete. |
| {If equipped} Exhaust Aftertreatment Monitor Complete This Ignition Cycle |
- | No | This parameter displays the state of Exhaust Aftertreatment Monitor Complete This Ignition Cycle. The parameter displays Yes when the Exhaust Aftertreatment Monitor is Complete This Ignition Cycle. |
| {If equipped} Exhaust Aftertreatment Monitor Enabled |
- | No | This parameter displays the status of the Exhaust Aftertreatment Monitor. The parameter will display Yes when the Exhaust Aftertreatment Monitor is Enabled. |
| {If equipped} Exhaust Aftertreatment Monitor Enabled This Ignition Cycle |
- | No | This parameter displays the status of the Exhaust Aftertreatment Monitor Enabled This Ignition Cycle. The parameter will display Yes when the Exhaust Aftertreatment Monitor is Enabled This Ignition Cycle. |
| Exhaust Brake Switch | - | Off | This parameter displays the status of the Exhaust Brake Switch. The parameter will display On when the Exhaust Brake Switch is enabled. |
| Exhaust Gas Sensor Monitor Complete | - | Yes/No | This parameter displays the state of Exhaust Gas Sensor Monitor. The parameter displays Yes when the Exhaust Gas Sensor Monitor is complete. |
| Exhaust Gas Sensor Monitor Complete This Ignition Cycle | - | Yes/No | This parameter displays the state of Exhaust Gas Sensor Monitor Complete This Ignition Cycle. The parameter displays Yes when the Exhaust Gas Sensor Monitor is Complete This Ignition Cycle. |
| Exhaust Gas Sensor Monitor Enabled | - | Yes/No | This parameter displays the status of the Exhaust Gas Sensor Monitor. The parameter will display Yes when the Exhaust Gas Sensor Monitor is Enabled. |
| Exhaust Gas Sensor Monitor Enabled This Ignition Cycle | - | Yes/No | This parameter displays the status of the Exhaust Gas Sensor Monitor Enabled This Ignition Cycle. The parameter will display Yes when the Exhaust Gas Sensor Monitor is Enabled This Ignition Cycle. |
| Exhaust Gas Temperature Sensor 1, 2, 3, 4, or 5 | - | °C (°F) | This parameter will display the exhaust temperature before the DPF. When the exhaust temperature is low, the scan tool will display a low temperature. When the exhaust temperature is high, the scan tool will display a high temperature. |
| Extended Travel Brake Pedal Position Signal | - | Released | This parameter displays the status of the Extended Travel Brake Pedal Position sensor. |
| Frozen Reductant - Diagnostic Inhibit | - | No | This parameter displays Yes if the reductant diagnostic is inoperative due to frozen reductant. |
| Frozen Reductant - Injection Inhibit | - | No | This parameter displays Yes if the reductant injection is inoperative due to frozen reductant. |
| Frozen Reductant - Refill Recognition Inhibit | - | No | This parameter displays Yes if the reductant refill monitor is inoperative due to frozen reductant. |
| Fuel Consumed Since Last DPF Regeneration | - | Liters/Gallons | This parameter displays the amount of fuel consumed since the last DPF regeneration. |
| Fuel Consumed Since Last DPF Replacement | - | Liters | This parameter displays the amount of Fuel Consumed Since Last DPF Replacement. |
| Fuel Consumption Rate | - | L/H | This parameter displays the amount of fuel consumed by engine per unit of time in liters per hour. NOTE: Engine Fuel Rate shall indicate zero L/H when the engine is not running. |
| Fuel Economy Mode Switch | Ignition ON | OK | This parameter displays the state of the fuel economy mode switch circuit. The parameter displays Malfunction if the fuel economy mode switch circuit is open. |
| Fuel Economy Mode Switch | Ignition ON | Volts | This parameter displays the economy mode switch reference voltage. |
| Fuel Filter Life Remaining | - | % | This parameter displays the fuel filter life remaining before requiring an fuel filter change. This number is calculated by the control module based on many inputs and is displayed as a percent. The lower the percentage, the sooner the next fuel filter change will be required. |
| Fuel Filter Pressure Switch | - | OK | This parameter displays the status of the fuel filter pressure switch. |
| Fuel Heater Relay Command | - | Off | This parameter displays the status of the fuel relay heater command. |
| Fuel Heater Relay Control Circuit High Voltage Test Status | - | OK | This parameter displays the status of the output driver for the fuel heater relay control circuit. The parameter displays Malfunction if the fuel heater relay control circuit is shorted to voltage. |
| Fuel Heater Relay Control Circuit Low Voltage Test Status | - | OK | This parameter displays the status of the output driver for the fuel heater relay control circuit. The parameter displays Malfunction if the fuel heater relay control circuit is shorted to ground. |
| Fuel Heater Relay Control Circuit Open Test Status | - | OK | This parameter displays the status of the output driver for the fuel heater relay control circuit. The parameter displays Malfunction if the fuel heater relay control circuit is open. |
| Fuel Injection Mode | - | Normal, Homogeneous Combustion Mode, Particulate Filter Regeneration with High Oxygen Concentration, Fuel Injection Small Quantity Learn, Fuel Injection Small Quantity Learn, Particulate Filter Regeneration with Low Oxygen Concentration, NOx Adsorber Catalyst Regeneration, Lean SOx Adsorber Catalyst Regeneration, Rich SOx Adsorber Catalyst Regeneration, Inhomogeneous Combustion Mode, NOx Catalyst Heating Mode 1, NOx Catalyst Heating Mode 2, Park or Neutral Gear DPF Regeneration, Rich Idle DPF Regeneration, Engine Protection High Oxygen Concentration DPF Regeneration, Engine Protection Low Oxygen Concentration DPF Regeneration, Engine Protection SOx Adsorber Catalyst Regeneration, NOx Catalyst Heating Mode 3, Fuel Injection Small Quantity Learn Combustion Mode, Hydrocarbon Purge Combustion Mode, Park or Neutral Gear Hydrocarbon Purge Combustion Mode, Reductant System Malfunction Warning Service Bay Test Warm Up Combustion Mode, Reductant System Malfunction Warning Service Bay Test Combustion Mode, SOx Purge Combustion Mode, Emissions Combustion Mode, Fast Exhaust System Warm-Up, Exhaust System Warm-Up | This parameter indicates which of the injection modes that currently is active. |
| Fuel Level Sensor | - | Volts | This parameter displays the voltage from the sensor used to monitor the fuel level inside the fuel tank. |
| Fuel Level Sensor Rear Tank | - | Volts | This parameter contains the unfiltered fuel level sensor analog input for the secondary fuel tank as a percentage of its reference voltage. |
| Fuel Pressure Sensor | - | kPa (PSI) | For Port Fuel Injected (PFI) systems, this parameter displays undefaulted fuel rail pressure at the engine. For high pressure fuel systems, this parameter indicates the undefaulted low side fuel pressure before the high pressure pump. |
| Fuel Pressure Sensor | - | Volts | This parameter contains the fuel supply pressure sensor analog input as a percentage of its reference voltage. |
| Fuel Pressure Regulator 1 Command | - | % | This parameter displays the Fuel Pressure Regulator 1 duty cycle as commanded by the engine control module. |
| Fuel Pressure Regulator 1 Control Circuit Command | - | On/Off | This parameter displays the current command of the fuel pressure regulator 1. |
| Fuel Pressure Regulator 1 Control Circuit High Voltage Test Status | - | OK | This parameter displays the status of the output driver for the Fuel Pressure Regulator 1 Control Circuit High. The parameter displays Malfunction if the Fuel Pressure Regulator 1 Control Circuit High is shorted to voltage. |
| Fuel Pressure Regulator 1 Control Circuit Low Voltage Test Status | - | OK | This parameter displays the status of the output driver for the Fuel Pressure Regulator 1 Control Circuit High. The parameter displays Malfunction if the Fuel Pressure Regulator 1 Control Circuit High is shorted to ground. |
| Fuel Pressure Regulator 1 Control Circuit Open Test Status | - | OK | This parameter displays the status of the output driver for the Fuel Pressure Regulator 1 Control Circuit High. The parameter displays Malfunction if the Fuel Pressure Regulator 1 Control Circuit High is open. |
| Fuel Pressure Regulator 1 Control Circuit Shorted Test Status | - | OK | This parameter displays the status of the output driver for the Fuel Pressure Regulator 1 Control Circuit. The parameter displays Malfunction if the Fuel Pressure Regulator 1 Circuit is shorted. |
| Fuel Pressure Regulator 1 Control Driver Overtemperature | - | No | This parameter displays the state of the Fuel Pressure Regulator 1 Control Driver circuit. The parameter displays Yes if the Fuel Pressure Regulator 1 Control Driver Overtemperature is detected. |
| Fuel Pressure Regulator 1 Current | - | mA | This parameter displays the actual current for the Fuel Pressure Regulator 1. |
| Fuel Pressure Regulator 1 High Control Circuit Command | - | On | This parameter displays the status of the Fuel Pressure Regulator 1 High Control Circuit Command. The parameter displays ON when the Fuel Pressure Regulator 1 High Control Circuit is Commanded ON by the engine control module. |
| Fuel Pressure Regulator 1 High Control Circuit High Voltage Test Status | - | OK | This parameter displays the state of the Fuel Pressure Regulator 1 High Control Circuit. The parameter displays Malfunction if the Fuel Pressure Regulator 1 High Control Circuit is shorted to voltage. |
| Fuel Pressure Regulator 1 High Control Circuit Low Voltage Test Status | - | OK | This parameter displays the state of the Fuel Pressure Regulator 1 High Control Circuit. The parameter displays Malfunction if the Fuel Pressure Regulator 1 High Control Circuit is shorted to ground. |
| Fuel Pressure Regulator 1 High Control Driver Overtemperature | - | No | This parameter displays the state of the Fuel Pressure Regulator 1 High Control Driver circuit. The parameter displays Yes if the Fuel Pressure Regulator 1 High Control Driver Overtemperature is detected. |
| Fuel Pressure Regulator 2 Command | - | % | This parameter displays the Fuel Rail Pressure Regulator 2 duty cycle. |
| Fuel Pressure Regulator 2 Control Circuit Command | - | On | This parameter displays the current command of the fuel pressure regulator 2. |
| Fuel Pressure Regulator 2 Control Circuit High Voltage Test Status | - | OK | This parameter displays the state of the Fuel Pressure Regulator 2 Control Circuit. The parameter displays Malfunction if the Fuel Pressure Regulator 2 Control Circuit is shorted to voltage. |
| Fuel Pressure Regulator 2 Control Circuit Low Voltage Test Status | - | OK | This parameter displays the state of the Fuel Pressure Regulator 2 Control Circuit. The parameter displays Malfunction if the Fuel Pressure Regulator 2 Control Circuit is shorted to ground. |
| Fuel Pressure Regulator 2 Control Circuit Open Test Status | - | OK | This parameter displays the state of the Fuel Pressure Regulator 2 Control Circuit. The parameter displays Malfunction if the Fuel Pressure Regulator 2 Control Circuit is open. |
| Fuel Pressure Regulator 2 Control Circuit Shorted Test Status | - | OK | This parameter displays the state of the Fuel Pressure Regulator 2 Control Circuit. The parameter displays Malfunction if the Fuel Pressure Regulator 2 Control Circuit is shorted. |
| Fuel Pressure Regulator 2 Control Driver Overtemperature | - | No | This parameter displays the state of the Fuel Pressure Regulator 2 High Control Driver circuit. The parameter displays Yes if the Fuel Pressure Regulator 2 High Control Driver Overtemperature is detected. |
| Fuel Pressure Regulator 2 High Control Circuit Command | - | On/Off | This parameter displays the status of the Fuel Pressure Regulator 2 High Control Circuit Command. The parameter displays On when the Fuel Pressure Regulator 2 High Control Circuit is Commanded ON by the engine control module. |
| Fuel Pressure Regulator 2 High Control Circuit High Voltage Test Status | - | OK | This parameter displays the state of the Fuel Pressure Regulator 2 High Control Circuit. The parameter displays Malfunction if the Fuel Pressure Regulator 2 High Control Circuit is shorted to voltage. |
| Fuel Pressure Regulator 2 High Control Circuit Low Voltage Test Status | - | OK | This parameter displays the state of the Fuel Pressure Regulator 2 High Control Circuit. The parameter displays Malfunction if the Fuel Pressure Regulator 2 High Control Circuit is shorted to ground. |
| Fuel Pressure Regulator 2 High Control Driver Overtemperature | - | No | This parameter displays the state of the Fuel Pressure Regulator 2 High Control Driver circuit. The parameter displays Yes if the Fuel Pressure Regulator 2 High Control Driver Overtemperature is detected. |
| Fuel Pressure Sensor | Engine Idling | kPa/PSI | For Port Fuel Injected (PFI) systems, this Parameter displays fuel rail pressure at the engine. For high pressure fuel systems, this Parameter indicates the low side fuel pressure before the high pressure pump. |
| Fuel Pressure Sensor | Ignition ON | Volts | This parameter displays the fuel supply pressure sensor analog input as a percentage of its reference voltage. |
| Fuel Pump 2 Relay Command | Ignition ON | On/Off | This parameter contains several signals associated with the status of the fuel system |
| Fuel Pump 2 Relay Command | Ignition ON | On/Off | This parameter contains the commanded state of the secondary fuel pump output along with the status of its associated short to ground, open circuit, and short to power tests |
| Fuel Pump 2 Relay Control Circuit High Voltage Test Status | Ignition ON | OK, Malfunction, Not Run | This parameter contains the commanded state of the secondary fuel pump output along with the status of its associated short to ground, open circuit, and short to power tests |
| Fuel Pump 2 Relay Control Circuit Low Voltage Test Status | Ignition ON | OK, Malfunction, Not Run | This parameter contains the commanded state of the secondary fuel pump output along with the status of its associated short to ground, open circuit, and short to power tests |
| Fuel Pump 2 Relay Control Circuit Open Test Status | Ignition ON | OK, Malfunction, Not Run | This parameter contains the commanded state of the secondary fuel pump output along with the status of its associated short to ground, open circuit, and short to power tests |
| Fuel Pump Driver Control Module Battery Voltage | Ignition ON | Volts | This parameter contains the Fuel Tank Zone Module's (FTZM) sensed battery voltage that's being transmitted from FTZM to the ECM over serial data |
| Fuel Pump Driver Control Module Voltage Signal | Ignition ON | Volts | This parameter contains the Fuel Tank Zone Module's (FTZM) sensed Run/Crank voltage that's being transmitted from FTZM to the ECM over serial data. |
| Fuel Pump Enable Circuit High Voltage Test Status | Ignition ON | OK | This parameter displays the status of the output driver for the fuel pump control circuit. The scan tool will display OK if the circuit is operating correctly or Not Run if a diagnosis has not been made. The scan tool will display Malfunction if there is an short to voltage in the circuit. |
| Fuel Pump Enable Circuit Low Voltage Test Status | Ignition ON | OK | This parameter displays the status of the output driver for the fuel pump control circuit. The scan tool will display OK if the circuit is operating correctly or Not Run if a diagnosis has not been made. The scan tool will display Malfunction if there is an short to ground in the circuit. |
| Fuel Pump Enable Command | Ignition ON | On | This parameter displays the commanded state of the fuel pump output (the output is considered to be commanded ON if its duty cycle is not zero). |
| Fuel Pump Phase U-V-W Circuits High Voltage Test Status | Ignition ON | OK, Malfunction, Not Run | This parameter contains the Fuel Tank Zone Module's (FTZM) reported status of short to ground, open circuit, short to power and phase-to-phase short tests |
| Fuel Pump Phase U-V-W Circuits Low Voltage Test Status | Ignition ON | OK, Malfunction, Not Run | This parameter contains the Fuel Tank Zone Module's (FTZM) reported status of short to ground, open circuit, short to power and phase-to-phase short tests |
| Fuel Pump Phase U-V-W Circuits Open Test Status | Ignition ON | OK, Malfunction, Not Run | This parameter contains the Fuel Tank Zone Module's (FTZM) reported status of short to ground, open circuit, short to power and phase-to-phase short tests |
| Fuel Pump Phase U-V-W Circuits Shorted Test Status | Ignition ON | OK, Malfunction, Not Run | This parameter contains the Fuel Tank Zone Module's (FTZM) reported status of short to ground, open circuit, short to power and phase-to-phase short tests |
| Fuel Pump Relay Command | - | On | This parameter displays the commanded state of the fuel pump relay control circuit. The fuel pump relay should be On when the scan tool indicates the Fuel Pump Relay Command is ON. The fuel pump relay should be Off when the scan tool indicates the Fuel Pump Relay Command is OFF. |
| Fuel Pump Relay Control Circuit High Voltage Test Status | - | OK | This parameter displays the state of the Fuel Pump Relay Control Circuit. The parameter displays Malfunction if the Fuel Pump Relay Control Circuit is shorted to voltage. |
| Fuel Pump Relay Control Circuit Low Voltage Test Status | - | OK | This parameter displays the state of the Fuel Pump Relay Control Circuit. The parameter displays Malfunction if the Fuel Pump Relay Control Circuit is shorted to ground. |
| Fuel Pump Relay Control Circuit Open Test Status | - | OK | This parameter displays the state of the Fuel Pump Relay Control Circuit. The parameter displays Malfunction if the Fuel Pump Relay Control Circuit is open. |
| Fuel Pump Speed | Ignition ON | RPM | This parameter contains the fuel pump speed as sensed by the FTZM (Fuel Tank Zone Module). |
| Fuel Pump Speed Command | Ignition ON | RPM | This parameter contains the fuel pump commanded speed determined by the ECM and the speed to which the FTZM (Fuel Tank Zone Module) electronically commutates the brushless fuel pump. |
| Fuel Pump Speed Too High | Ignition ON | Yes/No | This parameter contains signals used within the Fuel Pump Speed Rationality Diagnostic (PSRD). |
| Fuel Pump Speed Too Low | Ignition ON | Yes/No | This parameter contains signals used within the Fuel Pump Speed Rationality Diagnostic (PSRD). |
| Fuel Pump Trim | Engine Running | 0 - 4 % | This parameter displays the adjustments for the fuel pump duty cycle control. This is calculated by comparing the estimated fuel rail pressure to the desired fuel rail pressure. If the short term fuel pump trim consistently deviates from 0, the long term fuel pump trim is adjusted accordingly. |
| Fuel Rail Pressure Regulator 1 Command | Ignition ON | % | This parameter contains the commanded duty cycle for the fuel pressure regulator 1 solenoid output. |
| Fuel Rail Pressure Sensor | - | 35 - 40 MPa (5076 - 5801 psi) | This parameter displays the fuel rail pressure as calculated by the control module. This value is calculated based on engine speed, engine load, and sensor inputs. The scan tool will display a higher value at higher engine speeds and loads, and a lower value at idle. |
| Fuel Rail Pressure Sensor | - | Volts | This parameter displays the voltage signal sent to the control module from the sensor used to measure the fuel rail pressure. The scan tool will display a low voltage at idle and high voltage when pressure demands are high. |
| Fuel Rail Temperature Sensor | - | °C (°F) | This parameter displays the current fuel rail temperature. |
| Fuel System Monitor Complete | - | Yes | This parameter displays the status of the Fuel System Monitor. The scan tool displays Yes when test is completed. |
| Fuel System Monitor Complete This Ignition Cycle | - | Yes | This parameter displays the state of the Fuel System Monitor Complete This Ignition Cycle. The parameter displays Yes when the Fuel System Monitor is Complete This Ignition Cycle. |
| Fuel System Monitor Enabled | - | Yes | This parameter displays the status of the Fuel System Monitor. The parameter will display Yes when the Fuel System Monitor is Enabled. |
| Fuel System Monitor Enabled This Ignition Cycle | - | Yes/No | This parameter displays the status of the Fuel System Monitor Enabled This Ignition Cycle. The parameter will display Yes when the Fuel System Monitor is Enabled This Ignition Cycle. |
| Fuel Tank Rated Capacity | - | Liters | This parameter displays the capacity of the fuel tank in liters or gallons. The rated capacity displayed by the scan tool will vary with vehicle type. |
| Fuel Temperature Sensor | - | °C (°F) | This parameter displays the current fuel temperature as calculated by the control module based on input from the fuel temperature sensor. The scan tool will display a higher value at higher fuel temperatures. The scan tool will display a lower value at lower fuel temperatures. |
| Fuel Trim | - | Mm3/stk | This parameter displays the Fuel Mass Observer (FMO) correction value. |
| Fuel Trim | - | Allowed | This parameter displays the status of the Fuel Mass Observer (FMO) system. |
| Fuel Trim Enabled | - | Yes | This parameter indicates that the fuel mass observer functionality is enabled. |
| Fuel Trim Learn | - | Enabled | This parameter displays the status of the Fuel Mass Observer (FMO) system. |
| Fuel Used Since Last DPF Regeneration | - | Liters/Gallons | This parameter will display the amount of fuel used since last regeneration of the exhaust particulate filter. |
| Generator F-Terminal Signal | - | 0 - 100% | This parameter indicates the generator field duty cycle as commanded by the voltage regulator or control module. The scan tool will display a higher value for a higher commanded generator output, and a lower value for a lower commanded generator output. |
| Generator L-Terminal Circuit High Voltage Test Status | - | OK | This parameter displays the diagnostic state of the Generator L-Terminal circuit. The scan tool will display OK, Incomplete, Short B+/Open, Short Gnd. The scan tool will display OK if the circuit is operating correctly. |
| Generator L-Terminal Circuit Low Voltage Test Status | - | OK | This parameter displays the diagnostic state of the Generator L-Terminal circuit. The scan tool will display OK, Incomplete, Short B+/Open, Short Gnd. The scan tool will display OK if the circuit is operating correctly. |
| Generator L-Terminal Circuit Open Test Status | - | OK | This parameter displays the diagnostic state of the Generator L-Terminal circuit. The scan tool will display OK, Incomplete, Short B+/Open, Short Gnd. The scan tool will display OK if the circuit is operating correctly. |
| Generator L-Terminal Command | - | 0 - 100% | This parameter displays the control modules commanded state of the voltage regulator on the generator. |
| Generator L-Terminal Signal Command | - | On/Off | This parameter displays the signal command of the Generator L-Terminal. |
| Glow Plug Command | - | On/Off | This parameter displays the voltage supply to the glow plugs as measured by the control module. The scan tool will display a higher value at high voltages, or a lower value at lower voltages. |
| High Idle Speed | - | Enabled/Disabled | This parameter displays the current state of the High Idle Speed. |
| HO2S 1 | - | Lambda | This parameter displays the actual lambda signal measured by wide range oxygen sensor 1 bank 1. |
| H02S 1 Heater Command | - | On/Off | This parameter displays the current command of the oxygen sensor heater control. |
| H02S 1 Heater Command | - | % | This parameter displays the current command of the oxygen sensor heater control in percentage. |
| H02S 1 Heater Control Circuit High Voltage Test Status | - | OK | This parameter displays the state of the oxygen sensor heater control circuit. The parameter displays Malfunction if the oxygen sensor heater control circuit is shorted to voltage. |
| H02S 1 Heater Control Circuit Low Voltage Test Status | - | OK | This parameter displays the state of the oxygen sensor heater control circuit. The parameter displays Malfunction if the oxygen sensor heater control circuit is shorted to ground. |
| H02S 1 Heater Control Circuit Open Test Status | - | OK | This parameter displays the state of the oxygen sensor heater control circuit. The parameter displays Malfunction if the oxygen sensor heater control circuit is open. |
| H02S 1 Module Signal | - | Volts | This parameter displays the current voltage of the oxygen sensor heater module signal circuit. |
| IAT Sensor 1 | - | °C (°F) | This parameter displays the temperature of the air entering the engine as calculated by the control module based on the input from the intake air temperature (IAT) sensor. The scan tool will display a low value when the air temperature is low, and a high value when the air temperature is high. |
| IAT Sensor 2 | - | °C (°F) | This parameter displays the temperature of the air entering the engine as calculated by the control module based on the input from the intake air temperature (IAT) sensor 2. The scan tool will display a low value when the air temperature is low, and a high value when the air temperature is high. |
| IAT Sensor 2 | - | Hz | This parameter displays the frequency of the humidity sensors' intake air temperature (IAT) sensor input to the engine control module. |
| IAT Sensor 3 | - | °C (°F) | This parameter displays the temperature of the air entering the engine as calculated by the control module based on the input from the intake air temperature (IAT) sensor 3. The scan tool will display a low value when the air temperature is low, and a high value when the air temperature is high. |
| Ignition 1 Signal | - | On/Off | This parameter displays On when the control module detects B+ voltage at the ignition 1 input terminal. |
| Ignition Accessory Signal | - | Off | This parameter displays the state of the ignition 0 input to the control module from the ignition switch. The scan tool will display On when the ignition switch is in the ignition accessory position. The scan tool will display Off when the ignition switch is in any other position. |
| Ignition Cycles with Malfunction Since 1st Malfunction | - | Counts | This parameter displays the number of ignition cycles with a malfunction detected since the first ignition cycle with a malfunction detected. |
| Ignition Cycles without Completed Test Since 1st Malfunction | - | Counts | This parameter displays the number of ignition cycles without a pass or a malfunction reported since the first ignition cycle with a malfunction reported. |
| Ignition Cycles without Malfunction Since Last Malfunction | - | Counts | This parameter displays the number of ignition cycles with a pass reported and no malfunctions reported since the first ignition cycle with a malfunction reported. |
| Immobilizer Auto Learn Counter | - | Counts | This parameter displays the number of auto learn cycles that have been successfully completed within the immobilizer system. |
| Immobilizer Automatic Learn Timer | - | hh:mm:ss | This parameter indicates that either the auto learn timer (used in the auto learn procedure to enable VTD password learning) or the seed and key timer (used in the seed and key procedure to enable VTD password learning) is active. |
| Immobilizer Password Learn | - | Disabled | This indicates learning of the Immobilizer password received from the platform electronics is enabled. Immobilizer password learning is first enabled in assembly plant (prior to the manufacturer's enable counter being set to zero) may be re-enabled using 1 of 2 procedures. |
| Immobilizer Password Learn Scan Tool Delay | - | Active/Inactive | Scan Tool Learn Delay Active indicates that the security code has been accepted but the scan tool learn delay is active and will not allow learning enabled, programming security code, or resetting security code. |
| Immobilizer Security Code Accepted | - | Yes | This parameter displays if the Immobilizer Security code was accepted by the ECM. |
| Immobilizer Security Code Function | - | Present | This parameter displays if the immobilizer security code was supported by the ECM. |
| Immobilizer Security Code Lockout | - | Inactive | This parameter displays if the Immobilizer Security code is locked out of the ECM. |
| Immobilizer Security Code Programmed | - | Yes | This parameter displays if the Immobilizer Security code is currently being programmed in the ECM. |
| Immobilizer Security Information Programmed | - | Yes | This parameter displays if the Immobilizer Security code has been programmed in the ECM. |
| Immobilizer System Status | - | Varies | This parameter displays the Immobilizer System status in the BCM. |
| Immobilizer Valid Response Received Time | - | ms | This parameter displays the actual time observed for a valid immobilizer response. |
| Induction System Leak Indication | - | :1 | This parameter contains the ratio of desired intake air flow and the actual intake air flow as determined by the mass air flow (MAF) sensor. |
| Injector Timing | - | ° | Indicates the current timing of the main injection pulse as calculated by the control module. The scan tool will display a higher value for a main injection event farther from top dead center (TDC). The Scan tool will display a lower value for a main injection event closer to TDC. |
| Inspection/Maintenance Drive Cycle Complete | - | No | Inspection/Maintenance Drive Cycle Complete means that all required components of the standard drive cycle have completed. |
| Inspection/Maintenance Drive Cycle Idle Time Complete | - | No | Inspection/Maintenance Drive Cycle Idle Time Complete indicates that the engine idle time requirement is complete. |
| Inspection/Maintenance Drive Cycle Idle Timer | - | hh:mm:ss | This parameter displays the Inspection/Maintenance Drive Cycle Idle Timer. |
| Inspection/Maintenance Drive Cycle Propulsion System Active Time Complete | - | No | This parameter displays the Inspection/Maintenance Drive Cycle Propulsion System Active Time Complete. The parameter displays Yes when the Inspection/Maintenance Drive Cycle Propulsion System Active Time is Complete. |
| Inspection/Maintenance Drive Cycle Propulsion System Active Timer | - | hh:mm:ss | This parameter displays the total accumulated time in which the propulsion system has been active after the 1st time the engine is started. |
| Inspection/Maintenance Drive Cycle Vehicle Speed Time Complete | - | No | This parameter displays Yes when the Vehicle Speed Time Complete indicates that the vehicle has been above 25 mph for five minutes. |
| Inspection/Maintenance Drive Cycle Vehicle Speed Timer | - | hh:mm:ss | This parameter displays the total accumulated time in which the vehicle speed has been greater than 25 mph after the 1st time the engine is started. |
| Intake Air Flow Valve Control Circuit 1 High Voltage Test Status | - | OK | This parameter displays the status of the Intake Air Flow Valve Control Circuit 1 output driver. The scan tool will display OK if the circuit is operating correctly or Not Run if a diagnosis has not been made. The scan tool will display Malfunction if there is a short to voltage in the circuit. |
| Intake Air Flow Valve Control Circuit 1 Low Voltage Test Status | - | OK | This parameter displays the status of the Intake Air Flow Valve Control Circuit 1 output driver. The scan tool will display OK if the circuit is operating correctly or Not Run if a diagnosis has not been made. The scan tool will display Malfunction if there is a short to ground in the circuit. |
| Intake Air Flow Valve Control Circuit 2 High Voltage Test Status | - | OK | This parameter displays the status of the Intake Air Flow Valve Control Circuit 2 output driver. The scan tool will display OK if the circuit is operating correctly or Not Run if a diagnosis has not been made. The scan tool will display Malfunction if there is a short to voltage in the circuit. |
| Intake Air Flow Valve Control Circuit 2 Low Voltage Test Status | - | OK | This parameter displays the status of the Intake Air Flow Valve Control Circuit 2 output driver. The scan tool will display OK if the circuit is operating correctly or Not Run if a diagnosis has not been made. The scan tool will display Malfunction if there is a short to ground in the circuit. |
| Intake Air Flow Valve Control Circuit Open Test Status | - | OK | This parameter displays the status of the Intake Air Flow Valve Control Circuit. The scan tool will display OK if the circuit is operating correctly or Not Run if a diagnosis has not been made. The scan tool will display Malfunction if there is an open in the circuit. |
| Intake Air Flow Valve Control Circuit Shorted Test Status | - | OK | This parameter displays the status of the Intake Air Flow Valve Control Circuit. The scan tool will display OK if the circuit is operating correctly or Not Run if a diagnosis has not been made. The scan tool will display Malfunction if there is a short in the circuit. |
| Intake Air Flow Valve Control Driver Overcurrent | - | No | This parameter displays the status of the Intake Air Flow Valve Control driver. The scan tool will display Yes when an overcurrent is detected. |
| Intake Air Flow Valve Control Driver Overtemperature | - | No | This parameter displays the status of the Intake Air Flow Valve Control driver. The scan tool will display Yes when overtemperature is detected. |
| Intake Air Flow Valve Control Driver Temperature Dependent Overcurrent | - | No | This parameter displays the status of the Intake Air Flow Valve Control driver. The scan tool will display Yes when Temperature Dependent Overcurrent is detected. |
| Intake Air Flow Valve Control Driver Undervoltage | - | No | This parameter displays the status of the Intake Air Flow Valve Control driver. The scan tool will display Yes when Undervoltage is detected. |
| Intake Air Flow Valve Learned Closed Position | - | % | This parameter displays the minimum position learned for Intake Air Flow Valve position sensor when the Intake Air Flow Valve is closed. |
| Intake Air Flow Valve Motor Command | - | % | This parameter displays the commanded duty cycle for the Intake Airflow Valve output. |
| Intake Air Flow Valve Position | - | % | This parameter displays the position determined from Intake Air Flow Valve position sensor (corrected based upon its learned minimum position). |
| Intake Air Flow Valve Position Sensor | - | Volts | This parameter displays the Intake Air Flow Valve position sensor voltage input. |
| Intake Air Heater Command | - | On/Off | This parameter displays the current status of the Intake Air Heater. |
| Intake Air Heater Command | - | % | This parameter displays the current status of the Intake Air Heater in percentage. |
| Intake Air Humidity Sensor | - | % | This parameter displays the percentage of humidity at the intake air sensor. |
| Intake Manifold Pressure | - | kPa | This parameter displays the engine intake manifold vacuum pressure calculated as the difference between ambient air pressure (barometric pressure) and intake manifold absolute pressure (MAP). |
| Intake Manifold Runner Control Valve Command | - | % | This parameter displays the current command in percentage of the intake manifold runner control valve. |
| Intake Manifold Runner Control Valve Diagnostic Test Status | - | Varies | This parameter displays the current phase of the intake manifold runner control valve diagnostic test. |
| Intake Manifold Runner Control Valve Feedback Signal | - | % | This parameter displays the current command in percentage of the intake manifold runner control valve feedback signal. |
| Intake Manifold Runner Control Valve Position | - | Open, Intermediate, Closed | This parameter displays the current position of the intake manifold runner control valve. |
| Low Engine Oil Level Indicator Command | - | Off | This parameter displays the Engine Oil Level Low Indicator Command. The scan tool displays ON in order to inform the driver of a low engine oil level condition. |
| Low Engine Oil Pressure Indicator Command | - | Off | This parameter displays the Low Engine Oil Indicator Command. The scan tool displays ON in order to inform the driver of a low engine oil pressure condition. |
| MAF Sensor | Engine Idling | 6 - 20 g/s | This parameter indicates the quantity calculated by the control module based on a signal from the MAF sensor. The scan tool will display a high value at high engine speeds, and a low value at low engine speeds. |
| Engine speed at 2, 500 RPM | 130 - 150 g/s | ||
| MAF Sensor | - | 2300 - 3100 Hz | This parameter indicates the frequency signal received from the MAF sensor by the control module. The scan tool will display a high value at high engine speeds, and a low value at low engine speeds. |
| MAF When Engine Overspeed Detected | Engine Idling | g/s | This parameter indicates the quantity calculated by the control module based on a signal from the MAF sensor at the time an overspeed was detected. |
| Main-Injection | - | Inactive | Main Injection Active indicates that main injection is active. |
| MAP Sensor | - | 0.95 - 1.06 Volts | This parameter indicates the voltage signal received by the control module from the MAP sensor. The scan tool displays a low voltage at idle, and a high voltage at wide open throttle. Barometric pressure and altitude can affect these values. |
| MAP Sensor | - | kPa/PSI | This parameter displays the actual engine intake manifold absolute pressure (MAP). |
| MIL Command | - | Off | This parameter displays the commanded state of the malfunction indicator lamp (MIL) control circuit by the engine control module. |
| MIL Control Circuit High Voltage Test Status | - | OK | This parameter displays the state of the MIL control circuit. The parameter displays Malfunction if the MIL control circuit is shorted to voltage. |
| MIL Control Circuit Low Voltage Test Status | - | OK | This parameter displays the state of the MIL control circuit. The parameter displays Malfunction if the MIL control circuit is shorted to ground. |
| MIL Control Circuit Open Test Status | - | OK | This parameter displays the state of the MIL control circuit. The parameter displays Malfunction if the MIL control circuit is open. |
| MIL Requested | - | No | This parameter displays the commanded state of the malfunction indicator lamp (MIL) control circuit by the engine control module. |
| MIL Requested by DTC | - | No | This parameter indicates the reason the control module illuminated the MIL. The scan tool will display Yes when the MIL is requested as a result of an A or B type DTC. The scan tool will display No if the MIL is illuminated for another reason, such as transmission DTCs. |
| Misfire Diagnostic Engine Speed | Engine Idling | RPM | This parameter displays the engine speed used within the misfire diagnostic. This engine speed is the maximum engine speed observed over the previous engine cycle. |
| Misfire Monitor Complete | - | No | This parameter displays the status of the Misfire Monitor. The parameter will display Yes when the Misfire Monitor is Complete. |
| Misfire Monitor Complete This Ignition Cycle | - | Varies | This parameter displays the diagnostic monitor enable status during the current driving/monitoring cycle. |
| Misfire Monitor Enabled | - | No | This parameter displays the status of the Misfire Monitor. The parameter will display Yes when the Misfire Monitor is Enabled. |
| Misfire Monitor Enabled This Ignition Cycle | - | Varies | This parameter displays the diagnostic monitor enable status during the current driving/monitoring cycle. |
| Neutral Position Sensor | - | % | This parameter displays the current state of the neutral position sensor in degrees. |
| NOx Catalyst Efficiency | - | % | This parameter displays the actual average Selective Catalyst Reduction (SCR) efficiency for urea quality determination. |
| NOx Catalyst Efficiency Gross Error Test | - | % | This parameter displays the actual average Selective Catalyst Reduction (SCR) efficiency for urea quality determination during the gross error test. |
| NOx Catalyst Reductant Load | - | g | This parameter contains the NH3 (Ammonia) storage in the SCR (Selective Catalyst Reduction) system in terms of gram. |
| NOx Catalyst Reductant-Load Adaptive Value | - | # | This parameter displays the phrase of the Pressure Control Valve (PCV) test results. |
| NOx Catalyst Reductant-Load Variance | - | g | This parameter displays the absolute difference between the targeted and estimated load in the SCR system in terms of grams. |
| NOx Catalyst System Malfunction Warning Indicator Command | - | 1 - 7 | This parameter displays the Non-Tamper SCR warning command. |
| NOx Sensor 1 Heater Circuit Open Test Status | - | OK | This parameter displays the state of the NOx Sensor 1 Heater Circuit. The parameter displays Malfunction if the NOx Sensor 1 Heater Circuit is open. |
| NOx Sensor 1 Heater Circuit Shorted Test Status | - | OK | This parameter displays the state of the NOx Sensor 1 Heater Circuit. The parameter displays Malfunction if the NOx Sensor 1 Heater Circuit is shorted. |
| NOx Sensor 1 Heater Command | - | Off | This parameter displays the state of the control circuit for NOx Sensor 1 Heater as commanded by the engine control module. |
| NOx Sensor 1 Heater Mode | - | Varies | This parameter displays the status of the NOx Sensor 1 Heater. |
| NOx Sensor 1 Heater Operation | - | Allowed | This parameter displays the state of the NOx Sensor 1 Heater Operation. The parameter displays Allowed when commanded by the engine control module. |
| NOx Sensor 1 Heater Resistance | - | Ω | This parameter displays the resistance value of the NOx sensor 1 heater. |
| NOx Sensor 1 NOx Concentration | - | ppm | This parameter displays the concentration of NOx in the exhaust gas. |
| NOx Sensor 1 NOx Signal Circuit Open Test Status | - | OK | This parameter displays the state of the NOx Sensor 1 NOx Signal Circuit. The parameter displays Malfunction if the NOx Sensor 1 NOx Signal circuit is open. |
| NOx Sensor 1 NOx Signal Circuit Shorted Test Status | - | OK | This parameter displays the state of the NOx Sensor 1 NOx Signal Circuit. The parameter displays Malfunction if the NOx Sensor 1 NOx Signal circuit is shorted. |
| NOx Sensor 1 Oxygen Concentration | - | % | This parameter displays the concentration of Oxygen in the exhaust gas from NOx sensor 1. |
| NOx Sensor 1 Oxygen Signal Circuit 1 Open Test Status | - | OK | This parameter displays the state of the NOx Sensor 1 Oxygen Signal Circuit 1. The parameter displays Malfunction if the NOx Sensor 1 Oxygen Signal Circuit 1 is open. |
| NOx Sensor 1 Oxygen Signal Circuit 1 Shorted Test Status | - | OK | This parameter displays the state of the NOx Sensor 1 Oxygen Signal Circuit 1. The parameter displays Malfunction if the NOx Sensor 1 Oxygen Signal Circuit 1 is shorted. |
| NOx Sensor 1 Oxygen Signal Circuit 2 Open Test Status | - | OK | This parameter displays the state of the NOx Sensor 1 Oxygen Signal Circuit 2. The parameter displays Malfunction if the NOx Sensor 1 Oxygen Signal Circuit 2 is open. |
| NOx Sensor 1 Oxygen Signal Circuit 2 Shorted Test Status | - | OK | This parameter displays the state of the NOx Sensor 1 Oxygen Signal Circuit 2. The parameter displays Malfunction if the NOx Sensor 1 Oxygen Signal Circuit 2 is shorted. |
| NOx Sensor 2 Heater Circuit Open Test Status | - | OK | This parameter displays the state of the NOx Sensor 2 Heater Circuit 2. The parameter displays Malfunction if the NOx Sensor 2 Heater Circuit is open. |
| NOx Sensor 2 Heater Circuit Shorted Test Status | - | OK | This parameter displays the state of the NOx Sensor 2 Heater Circuit 2. The parameter displays Malfunction if the NOx Sensor 2 Heater Circuit is shorted. |
| NOx Sensor 2 Heater Command | - | Off | This parameter displays the state of the control circuit for NOx Sensor 2 Heater as commanded by the engine control module. |
| NOx Sensor 2 Heater Mode | - | Varies | This parameter displays the status of the NOx Sensor 2 Heater. |
| NOx Sensor 2 Heater Operation | - | Allowed | This parameter displays the state of the NOx Sensor 2 Heater Operation. The parameter displays Allowed when commanded by the engine control module. |
| NOx Sensor 2 Heater Resistance | - | Ω | This parameter displays the resistance value of the NOx sensor 1 heater. |
| NOx Sensor 2 NOx Concentration | - | ppm | This parameter displays the concentration of NOx in the exhaust gas from NOx sensor 2. |
| NOx Sensor 2 NOx Signal Circuit Open Test Status | - | OK | This parameter displays the state of the NOx Sensor 2 NOx Signal Circuit. The parameter displays Malfunction if the NOx Sensor 2 NOx Signal Circuit is open. |
| NOx Sensor 2 NOx Signal Circuit Shorted Test Status | - | OK | This parameter displays the state of the NOx Sensor 2 NOx Signal Circuit. The parameter displays Malfunction if the NOx Sensor 2 NOx Signal Circuit is shorted. |
| NOx Sensor 2 Oxygen Concentration | - | % | This parameter displays the concentration of Oxygen in the exhaust gas from NOx sensor 2. |
| NOx Sensor 2 Oxygen Signal Circuit 1 Open Test Status | - | OK | This parameter displays the state of the NOx Sensor 2 Oxygen Signal Circuit 1. The parameter displays Malfunction if the NOx Sensor 2 Oxygen Signal Circuit 1 is open. |
| NOx Sensor 2 Oxygen Signal Circuit 1 Shorted Test Status | - | OK | This parameter displays the state of the NOx Sensor 2 Oxygen Signal Circuit 1. The parameter displays Malfunction if the NOx Sensor 2 Oxygen Signal Circuit 1 is shorted. |
| NOx Sensor 2 Oxygen Signal Circuit 2 Open Test Status | - | OK | This parameter displays the state of the NOx Sensor 2 Oxygen Signal Circuit 2. The parameter displays Malfunction if the NOx Sensor 2 Oxygen Signal Circuit 2 is open. |
| NOx Sensor 2 Oxygen Signal Circuit 2 Shorted Test Status | - | OK | This parameter displays the state of the NOx Sensor 2 Oxygen Signal Circuit 2. The parameter displays Malfunction if the NOx Sensor 2 Oxygen Signal Circuit 2 is shorted. |
| Number of Completed DPF Regenerations | - | Counts | This parameter displays the number of successful DPF regenerations. |
| Number of DTC(s) | - | Counts | This parameter displays the number of emission related DTCs stored in the ECM. |
| Odometer When Engine Overspeed Detected | Engine Idling | km/miles | This parameter displays the kilometers or miles of the Odometer When Engine Overspeed Detected. |
| Output Shaft Speed Sensor | Engine Idling | RPM | This parameter displays the transmission output speed. |
| PTO | - | Active/Inactive | This parameter contains an indication that power take off (PTO) is active |
| PTO Engine Shutdown Signal | - | Yes/No | This parameter contains several signals associated with the status of the power take off (PTO) and fast idle systems. |
| Park/Neutral Position Switch | - | Park/Neutral/In Gear | This parameter indicates the range selection of the automatic transmission as calculated by the control module based on input from the park/neutral position (PNP) switch. The scan tool will display, In Gear, Park, or Neutral depending on the PNP switch position. |
| Particulate Matter Sensor | - | Mg/m3 | This parameter displays the mass concentration of exhaust particulate matter measured by the particulate matter sensor. |
| Particulate Matter Sensor | - | uA | This parameter displays the measured current from the sensing element of the particulate matter sensor. |
| Particulate Matter Sensor Control Unit Communication Status | - | Ready | This parameter displays the communication status of the particulate matter sensor control unit. |
| Particulate Matter Sensor Identifier | - | # | This parameter displays the value sent from the sensor control unit to engine control module to provide sensor build information in order for the software to compensate for sensor variations. |
| Particulate Matter Sensor Measurement | - | Active | This parameter displays the status of the particular matter sensor. |
| Particulate Matter Sensor Operation | - | Allowed | This parameter displays if the exhaust temperature dew point is reached to allow the particulate matter sensor to operate. |
| Particulate Matter Sensor Regeneration | - | Inactive | This parameter displays Active when the particulate matter sensor is regenerating. |
| Particulate Matter Sensor Status | - | Ready | This parameter displays the status of the particulate matter sensor. |
| Particulate Matter Sensor Temperature | - | °C (°F) | This parameter displays the current temperature of the particulate matter sensor in Celsius and Fahrenheit. |
| Pilot Injection | - | Inactive | Pilot Injection Active indicates that pilot injections are active. |
| Positive Crankcase Ventilation Heater Command | - | On/Off | This parameter displays the current command of the positive crankcase ventilation heater. |
| Positive Crankcase Ventilation Heater Control Circuit High Voltage Test Status | - | OK | This parameter displays the state of the positive crankcase heater control circuit. The parameter displays Malfunction if the positive crankcase heater control circuit is shorted to voltage. |
| Positive Crankcase Ventilation Heater Control Circuit Low Voltage Test Status | - | OK | This parameter displays the state of the positive crankcase heater control circuit. The parameter displays Malfunction if the positive crankcase heater control circuit is shorted to ground. |
| Positive Crankcase Ventilation Heater Control Circuit Open Test Status | - | OK | This parameter displays the state of the positive crankcase heater control circuit. The parameter displays Malfunction if the positive crankcase heater control circuit is open. |
| Post Injection | - | Inactive | Post Injection Active indicates that post injections is active |
| Power Mode | - | Off | This parameter displays the state of the System Power Mode. This signal is based upon the state of the system power mode received over serial communication from the vehicle electronics. |
| Radiator Coolant Temperature Sensor | - | °C (°F) | This parameter displays the radiator coolant temperature measured by a sensor located in the coolant outlet of the radiator. |
| Reduced Engine Power | - | Inactive | This parameter will display the fuel system status as commanded by the ECM. |
| Reduced Engine Power History | - | Varies | This parameter displays the last reason that the engine control module has illuminated the Reduced Engine Power (REP) indication. |
| Reductant Absolute Pressure | - | kPa | This parameter displays the absolute pressure of the reductant. |
| Reductant Fluid Quality Gross Error Test Diagnostics | - | Varies | This parameter displays the phases of the Selective Catalyst Reduction (SCR) service quality check procedure. |
| Reductant Fluid Quality Test | - | Completed with success | This parameter displays the phases of the SCR (Selective Catalyst Reduction) service quality check procedure. |
| Reductant Fluid Quality Test Diagnostic | - | Varies | This parameter displays the phases of the Selective Catalyst Reduction (SCR) service quality check procedure. |
| Reductant Fluid Quality Warning Indicator Command | - | None | This parameter displays the NOx reductant quality warning. |
| Reductant Heater 1 Command | Ignition ON | On/Off | This parameter contains the commanded state of the reductant heater 1 output (the output is considered to be commanded on if its duty cycle is not zero) along with the status of its associated short to ground (Low side), short to power (Low side), short to ground (High side), short to power (High side) and open circuit tests |
| Reductant Heater 1 Control Circuit High Voltage Test Status | - | OK, Malfunction, Not Run | This parameter contains the commanded state of the reductant heater 1 output (the output is considered to be commanded on if its duty cycle is not zero) along with the status of its associated short to ground (Low side), short to power (Low side), short to ground (High side), short to power (High side) and open circuit tests |
| Reductant Heater 1 Control Circuit Low Voltage Test Status | - | OK, Malfunction, Not Run | This parameter contains the commanded state of the reductant heater 1 output (the output is considered to be commanded on if its duty cycle is not zero) along with the status of its associated short to ground (Low side), short to power (Low side), short to ground (High side), short to power (High side) and open circuit tests |
| Reductant Heater 1 Control Circuit Open Test Status | - | OK, Malfunction, Not Run | This parameter contains the commanded state of the reductant heater 1 output (the output is considered to be commanded on if its duty cycle is not zero) along with the status of its associated short to ground (Low side), short to power (Low side), short to ground (High side), short to power (High side) and open circuit tests |
| Reductant Heater 1 Current | - | Amps | This parameter contains the current feedback for the reductant heater 1 output. |
| Reductant Heater 1 High Control Circuit High Voltage Test Status | - | OK, Malfunction, Not Run | This parameter contains the commanded state of the reductant heater 1 output (the output is considered to be commanded on if its duty cycle is not zero) along with the status of its associated short to ground (Low side), short to power (Low side), short to ground (High side), short to power (High side) and open circuit tests |
| Reductant Heater 1 High Control Circuit Low Voltage Test Status | - | OK, Malfunction, Not Run | This parameter contains the current feedback for the reductant heater 1 output. |
| Reductant Heater 2 Command | Ignition ON | On/Off | This parameter contains the commanded state of the reductant heater 2 output (the output is considered to be commanded on if its duty cycle is not zero) along with the status of its associated short to ground (Low side), short to power (Low side), short to ground (High side), short to power (High side) and open circuit tests |
| Reductant Heater 2 Control Circuit High Voltage Test Status | - | OK, Malfunction, Not Run | This parameter contains the commanded state of the reductant heater 2 output (the output is considered to be commanded on if its duty cycle is not zero) along with the status of its associated short to ground (Low side), short to power (Low side), short to ground (High side), short to power (High side) and open circuit tests |
| Reductant Heater 2 Control Circuit Low Voltage Test Status | - | OK, Malfunction, Not Run | This parameter contains the current feedback for the reductant heater 2 output. |
| Reductant Heater 2 Control Circuit Open Test Status | - | OK, Malfunction, Not Run | This parameter indicates the status of the NOx (Nitrogen Oxides) Reductant Tank. |
| Reductant Heater 2 Current | - | Amps | This parameter contains the current feedback for the reductant heater 2 output. |
| Reductant Heater 2 High Control Circuit High Voltage Test Status | - | OK, Malfunction, Not Run | This parameter contains the commanded state of the reductant heater 2 output (the output is considered to be commanded on if its duty cycle is not zero) along with the status of its associated short to ground (Low side), short to power (Low side), short to ground (High side), short to power (High side) and open circuit tests |
| Reductant Heater 2 High Control Circuit Low Voltage Test Status | - | OK, Malfunction, Not Run | This parameter contains the current feedback for the reductant heater 2 output. |
| Reductant Heater 1 Request | - | Off | This parameter displays the commanded state of the Reductant Heater 1. The Reductant Heater 1 should be On when the scan tool indicates the Reductant Heater 1 Command is ON. |
| Reductant Heater 2 Request | - | Off | This parameter displays the commanded state of the Reductant Heater 2. The Reductant Heater 2 should be On when the scan tool indicates the Reductant Heater 2 Command is ON. |
| Reductant Heater 3 Request | - | Off | This parameter displays the commanded state of the Reductant Heater 3. The Reductant Heater 3 should be On when the scan tool indicates the Reductant Heater 3 Command is ON. |
| Reductant Injection Control Extreme Pressure Test | - | Passed | This parameter displays the test status of the NOx reductant dosing system extreme pressure test. |
| Reductant Injection Control Low Pressure Test | - | Passed | This parameter displays the test status of the NOx reductant dosing system low pressure test. |
| Reductant Injection Control Overpressure Test Status | - | Passed | This parameter displays the test status of the NOx reductant closing system overpressure test. |
| Reductant Injection Control Pressure Build-Up Test Status | - | Passed | This parameter displays the test status of the NOx reductant dosing system test. |
| Reductant Injection Inhibit Reason | - | None | This parameter displays the reasons why the NOx Reductant system has been inhibited from operation. |
| Reductant Injector Command | - | % | This parameter displays the commanded duty cycle for the NOx reductant dosing valve output. |
| Reductant Injector Control Circuit Status | - | No Malfunction Present | This parameter displays the status of the Reductant Injection Control Circuit output. |
| Reductant Level | - | % | This parameter displays the total Reductant level as a percentage of the rated capacity of the tank. |
| Reductant Level Sensor 1 | - | Inactive | This parameter displays the individual Reductant Level Switch states. Active indicates that the level switch is detecting fluid in regards to its position in the reductant reservoir. |
| Reductant Level Sensor 1 Circuit Status | - | No Malfunction | This parameter displays the circuit status of each reductant level sensor. |
| Reductant Level Sensor 2 | - | Inactive | This parameter displays the individual Reductant Level Switch states. Active indicates that the level switch is detecting fluid in regards to its position in the reductant reservoir. |
| Reductant Level Sensor 2 Circuit Status | - | No Malfunction | This parameter displays the circuit status of each reductant level sensor. |
| Reductant Level Sensor 3 | - | Inactive | This parameter displays the individual Reductant Level Switch states. Active indicates that the level switch is detecting fluid in regards to its position in the reductant reservoir. |
| Reductant Level Sensor 3 Circuit Status | - | No Malfunction | This parameter displays the circuit status of each reductant level sensor. |
| Reductant Level Warning Indicator Command | - | None | This parameter displays the engine control module (ECM) requested reductant fluid level warning indicator state. |
| Redundant Odometer Memory | - | Present/Not Present | This parameter displays if there is a reductant odometer reading present in the control module. |
| Reductant Pressure | - | kPa | This parameter displays the engine Reductant pressure from the sensor. |
| Reductant Pressure Sensor | - | Volts | This parameter contains the reductant pressure analog input as a percentage of its reference voltage. |
| Reductant Pump Command | - | % | This parameter displays the commanded duty cycle for the NOx reductant pump output. |
| Reductant Pump Control Circuit Status | - | No Malfunction Present | This parameter displays the status of the Reductant Pump Control Circuit. |
| Reductant Pump Speed | - | RPM | This parameter contains the actual reductant pump motor speed. |
| Reductant Purge Solenoid Valve Command | - | On/Off | This parameter displays the commanded state of the reductant line purge solenoid valve. The scan tool displays On when the reductant line purge solenoid valve is commanded ON. |
| Reductant Purge Solenoid Valve Control Circuit Status | - | No Malfunction Present | This parameter displays the status of the Reductant Purge Solenoid Valve Control Circuit. |
| Reductant Range | - | km/miles | This parameter displays the Distance that can be driven before the Reductant tank needs to be refilled. |
| Reductant System Adaption Diagnostic | - | Varies | This parameter displays the status of the Selective Catalyst Reduction (SCR) adaption check diagnosis. |
| Reductant System Malfunction Warning Indicator Command | - | None | This parameter displays the NOx Reductant System Malfunction warning. |
| Reductant System Malfunction Warning Service Bay Test | - | Varies | This parameter displays a malfunction warning for the reductant system during a service bay test. |
| Reductant System Tamper Warning Service Bay Test Abort Reason | - | Not Requested, In Progress, Passed, Failed, Interrupted | This parameter contains the status of the SCR Tamper/No Tamper service bay test procedure. |
| Reductant System Tamper Warning Service Bay Test Result | - | Reductant System Tamper Warning Service Bay Test Result | This parameter holds the most recent abort reason for the SCR Tamper/No Tamper service bay test algorithm |
| Reductant Tank Level | - | Varies | This parameter displays the current reductant tank fluid level. |
| Reductant Tank Temperature 1 | - | °C (°F) | This parameter contains the undefaulted reductant temperature measured by a sensor that is located within the holding tank. |
| Reductant Tank Temperature 2 | - | °C (°F) | This parameter contains the undefaulted reductant temperature measured by a sensor that is part of the reductant quality sensor |
| Reductant Tank Temperature Sensor 2 Circuit Erratic Test Status | - | Yes/No | This parameter contains the all monitors that trigger the SCR Tamper/Not Tamper Warning Strategy. |
| Reductant Tank Temperature Sensor 2 Circuit High Voltage Test Status | - | Yes/No | This parameter contains the all monitors that trigger the SCR Tamper/Not Tamper Warning Strategy. |
| Reductant Tank Temperature Sensor 2 Circuit Low Voltage Test Status | - | Yes/No | This parameter contains the all monitors that trigger the SCR Tamper/Not Tamper Warning Strategy. |
| Reductant Tank Temperature Sensor 2 Circuit Performance Test Status | - | Yes/No | This parameter contains the all monitors that trigger the SCR Tamper/Not Tamper Warning Strategy. |
| Reductant Tank Temperature Sensor Circuit Erratic Test Status | - | Yes/No | This parameter contains the all monitors that trigger the SCR Tamper/Not Tamper Warning Strategy. |
| Reductant Tank Temperature Sensor Circuit High Voltage Test Status | - | Yes/No | This parameter contains the all monitors that trigger the SCR Tamper/Not Tamper Warning Strategy. |
| Reductant Tank Temperature Sensor Circuit Low Voltage Test Status | - | Yes/No | This parameter contains the all monitors that trigger the SCR Tamper/Not Tamper Warning Strategy. |
| Reductant Temperature | - | °C (°F) | This parameter displays the Reductant temperature measured by a sensor that is located within the holding tank. |
| Remaining Reductant in Tank | - | g | This parameter displays the current reductant remaining in the holding tank. |
| Remaining Fuel in Tank | - | % | This parameter displays the total fuel level as a percentage of the rated capacity of the fuel tank. |
| Remaining Fuel in Tank | - | Liters | This parameter displays the actual total fuel volume contained in the fuel tank. |
| Remote Vehicle Start Disable History 1 - 8 | - | Reason for RVS Disable | These parameters display the last eight reasons the control module disabled remote vehicle start (RVS). |
| Remote Vehicle Start Request Signal | - | Off | Remote Vehicle Start Request indicates the state of the request received over serial communication from the remote vehicle start (RVS) system to start the vehicle in remote mode. |
| Replicated Transmission OSS Signal | - | RPM | This parameter displays the Replicated Transmission Output Speed (Replicated TOS) received from the Transmission Control Module. |
| Sensor Supply Voltage Relay Command | - | On/Off | This parameter contains the exhaust gas recirculation cooler temperature at power-up (Run/Crank transition from low to high) from a sensor that is located before the inlet of the exhaust gas recirculation cooler heat exchanger. |
| Soot Mass Correction | - | # | This parameter displays the soot mass correction value caused by Continuous Regenerating Trap (CRT) effect. |
| Specific Humidity | - | % | This parameter displays the current specific humidity in percentage. |
| Start-Up Charge Air Cooler Temperature | - | °C (°F) | This parameter displays the current start-up charge air cooler temperature. |
| Start-Up Charge Air Cooler Inlet Temperature | - | °C (°F) | This parameter contains the charge air temperature (measured by a sensor that is located first in the charge air cooler stream in relationship to any other charge air cooler temperature sensors in the system.) recorded at power-up. |
| Start-Up Charge Air Cooler Outlet Temperature | - | °C (°F) | This parameter contains the charge air temperature (measured by a sensor that is located second in the charge air cooler stream in relationship to any other charge air cooler temperature sensors in the system.) recorded at power-up. |
| Start-Up Temperature EGR Cooler Temperature Sensor 1 | - | °C (°F) | This parameter contains the exhaust gas recirculation cooler temperature at power-up (Run/Crank transition from low to high) from a sensor that is located before the inlet of the exhaust gas recirculation cooler heat exchanger. |
| Start-Up Temperature EGR Cooler Temperature Sensor 2 | - | °C (°F) | This parameter contains the exhaust gas recirculation cooler temperature at power-up (Run/Crank transition from low to high) from a sensor that is located on the outlet of the exhaust gas recirculation cooler heat exchanger. |
| Start-Up ECT | - | °C (°F) | This parameter Indicates the engine coolant temperature at engine start up as calculated by the control module based on the signal from the ECT sensor. The scan tool will display a higher value on a warmer engine, and a lower value on a colder engine. |
| Start-Up Exhaust Gas Temperature Sensor 1, 2, 3, or 4 | - | °C (°F) | This parameter displays the current start-up exhaust gas temperature for sensor 4. |
| Start-Up Fuel Temperature | - | °C (°F) | This parameter Indicates the fuel temperature at engine start up as calculated by the control module based on the signal from the fuel temperature sensor. The scan tool will display a higher value on a warmer fuel, and a lower value on a colder fuel. |
| Start-Up IAT Sensor 1 - 3 | - | °C (°F) | This parameter indicates the intake air temperature at engine start up as calculated by the control module based on the signal from the IAT sensor. The scan tool will display a higher value during warmer under hood temperatures, and a lower value during colder under hood temperatures. |
| Start-Up Particulate Matter Sensor Temperature | - | °C (°F) | This parameter displays the start-up particulate matter temperature in Celsius and Fahrenheit. |
| Starter Relay Command | - | Off | The scan tool displays ON/OFF. The scan tool displays Off until the ignition is placed into the CRANK position, then it reads On. |
| Starter Relay Control Circuit High Voltage Test Status | - | OK | This parameter displays the state of the starter relay control circuit. The parameter displays Malfunction if the starter relay control circuit is shorted to voltage. This parameter may not change if the scan tool is used to command the relay control circuit ON. |
| Starter Relay Control Circuit Low Voltage Test Status | - | OK | This parameter displays the state of the starter relay control circuit. The parameter displays Malfunction if the starter relay control circuit is shorted to ground. This parameter may not change if the scan tool is used to command the relay control circuit ON. |
| Starter Relay Control Circuit Open Test Status | - | OK | This parameter displays the state of the starter relay control circuit. The parameter displays Malfunction if the starter relay control circuit is open. This parameter may not change if the scan tool is used to command the relay control circuit ON. |
| Starter Motor Relay Control Circuit High Voltage Test Status | - | OK, Malfunction, Not Run | This parameter contains the commanded state of the starter relay output along with the status of its associated short to ground, open circuit, and short to power tests |
| Starter Motor Relay Control Circuit Low Voltage Test Status | - | OK, Malfunction, Not Run | This parameter contains the commanded state of the starter relay output along with the status of its associated short to ground, open circuit, and short to power tests |
| Starter Motor Relay Control Circuit Open Test Status | - | OK, Malfunction, Not Run | This parameter contains the commanded state of the starter relay output along with the status of its associated short to ground, open circuit, and short to power tests |
| TCC Control | - | Disengaged | This parameter displays the current state of the TCC. |
| Torque Delivered Signal | - | N.m | This parameter displays the engine torque based upon the airflow through the engine and the torque losses due to fuel shutoff. Since this is a steady state engine torque, it does not include the inertial component of engine torque. |
| Total Fuel Consumed | - | Liters | This parameter displays the fuel consumed in the current drive cycle in liters. |
| Total Misfire | - | Counts | This parameter displays the total number of cylinder firing events that the control module detected as misfires for the last 200 crankshaft revolution sample period. |
| Tow/Haul Mode | - | Active/Inactive/Not Available | This parameter contains signals associated with Tow Haul Mode as selected by the driver mode determination (DMD) switches |
| Traction Control Status | - | Inactive | This parameter displays Active if the electronic brake and traction control module (EBTCM) is commanding traction control. |
| Traction Control Torque Delivered Signal | - | % | This parameter displays the estimated engine torque delivered by the powertrain, as a percentage of maximum engine torque that is provided to the ABS/TCS module. |
| Traction Control Torque Request Signal | - | % | This parameter displays the engine torque requested by the traction control system, as a percentage of maximum engine torque. |
| Transmission Inhibiting Engine Cranking | - | Yes/No | This parameter contains several signals associated with the status of the power mode and starter systems |
| Turbocharger Control Module Supply Voltage | - | Volts | This parameter contains the undefaulted voltage applied to the turbocharger actuator power supply pins. |
| Turbocharger Vane Learned Closed Position | - | % | This is the learned position of the blades that control the airflow into the turbo charger. This parameter displays the learned closed position. |
| Turbocharger Van Learned Closed Position | - | Volts | This parameter displays the minimum position learned for Turbo Charger Vane position sensor when the Turbo Charger Vanes are closed. |
| Turbocharger Vane Learned Open Position | - | % | This is the learned position of blades that control the airflow into the turbo charger. This parameter displays the learned open position. |
| Turbocharger Vane Learned Open Position | - | Volts | This parameter displays the minimum position learned for Turbo Charger Vane position sensor when the Turbo Charger Vanes are open. |
| Turbocharger Vane Position Learn Status | - | Learned | This parameter indicates the status of the control module in learning the turbocharger vane position. The scan tool will display No if the turbocharger vane position has not been learned since the last DTC clear. |
| Turbocharger Vane Position Initial Learned Value | - | Counts | This parameter contains the end of line (EOL) learn span in commutation counts |
| Turbocharger Vane Position Learned Value | - | Counts | This parameter contains the full span learn (FSL) in commutation counts that occurs at ignition off. |
| Turbocharger Vane Position Sensor | - | % | This parameter displays the current commanded state of the turbocharger vane position control solenoid valve by the control module. The scan tool will display a higher value as the solenoid is commanded open. The scan tool will display a lower value as the solenoid is commanded closed. |
| Turbocharger Vane Position Sensor | - | Volts | This parameter displays the voltage signal sent to the control module from the sensor. The scan tool will display a higher value as the solenoid is commanded open. The scan tool will display a lower value as the solenoid is commanded closed. |
| Turbocharger Vane Position Solenoid Valve Circuit High Voltage Test Status | - | OK | This parameter displays the state of the Turbocharger Vane Position Solenoid Valve circuit. The parameter displays Malfunction if the Turbocharger Vane Position Solenoid valve circuit is shorted to voltage. |
| Turbocharger Vane Position Solenoid Valve Circuit Low Voltage Test Status | - | OK | This parameter displays the state of the Turbocharger Vane Position Solenoid Valve circuit. The parameter displays Malfunction if the Turbocharger Vane Position Solenoid valve circuit is shorted to ground. |
| Turbocharger Vane Position Solenoid Valve Circuit Open Test Status | - | OK | This parameter displays the state of the Turbocharger Vane Position Solenoid Valve circuit. The parameter displays Malfunction if the Turbocharger Vane Position Solenoid valve circuit is open. |
| Turbocharger Vane Position Solenoid Valve Circuit Shorted Test Status | - | OK | This parameter displays the state of the Turbocharger Vane Position Solenoid Valve Circuit. The parameter displays Malfunction if the Turbocharger Vane Position Solenoid valve circuit is shorted. |
| Turbocharger Vane Position Solenoid Valve Command | - | % | This parameter displays the commanded duty cycle for the solenoid on variable geometry turbocharger. |
| Turbocharger Vane Position Solenoid Valve Control Circuit Command | - | Off | This parameter displays the commanded state of the turbocharger solenoid valve. |
| Turbocharger Vane Position Solenoid Valve Control Driver Overtemperature | - | No | This parameter displays the state of the turbocharger vane position solenoid valve control driver. |
| Turbocharger Vane Position Solenoid Valve High Control Circuit Command | - | Off | This parameter displays the commanded state of the turbocharger solenoid valve high control circuit. |
| Turbocharger Vane Position Solenoid Valve High Control Circuit High Voltage Test Status | - | OK | This parameter displays the state of the Turbocharger Vane Position Solenoid Valve high control circuit. The parameter displays Malfunction if the Turbocharger Vane Position Solenoid valve high control circuit is shorted to voltage. |
| Turbocharger Vane Position Solenoid Valve High Control Circuit Low Voltage Test Status | - | OK | This parameter displays the state of the Turbocharger Vane Position Solenoid Valve high control circuit. The parameter displays Malfunction if the Turbocharger Vane Position Solenoid valve high control circuit is shorted to ground. |
| Turbocharger Vane Position Solenoid Valve High Control Circuit Open Test Status | - | OK | This parameter displays the state of the Turbocharger Vane Position Solenoid Valve high control circuit. The parameter displays Malfunction if the Turbocharger Vane Position Solenoid valve high control circuit is open. |
| Vehicle Speed Output Circuit 2 High Voltage Test Status | - | OK | This parameter displays the state of the Vehicle Speed Output circuit 2 control circuit. The parameter displays Malfunction if the Vehicle Speed Output circuit 2 control circuit is shorted to voltage. |
| Vehicle Speed Output Circuit 2 Low Voltage Test Status | - | OK | This parameter displays the state of the Vehicle Speed Output circuit 2 control circuit. The parameter displays Malfunction if the Vehicle Speed Output Circuit 2 control circuit is shorted to ground. |
| Vehicle Speed Output Circuit 2 Open Test Status | - | OK | This parameter displays the state of the Vehicle Speed Output circuit 2 control circuit. The parameter displays Malfunction if the Vehicle Speed Output circuit 2 control circuit is open. |
| Vehicle Speed Sensor | - | km/h/MPH | This parameter indicates the vehicle speed as calculated by the control module based on a signal from the vehicle speed sensor (VSS). The scan tool will display a higher value at higher vehicle speeds, and a lower value at lower vehicle speeds. |
| Vehicle Speed When Engine Overspeed Detected | Engine Idling | Km/h mph |
This parameter displays the Vehicle Speed When Engine Overspeed Detected. |
| Wait to Start Indicator Command | - | On/Off | The wait to start indicator illuminates with the ignition ON and the engine OFF. The wait to start indicator will not illuminate during post-start glow plug operation. |
| Wait to Start Indicator Control Circuit High Voltage Test Status | - | OK | This parameter displays the state of the wait to start indicator control circuit. The parameter displays Malfunction if the wait to start indicator control circuit is shorted to voltage. |
| Wait to Start Indicator Control Circuit Low Voltage Test Status | - | OK | This parameter displays the state of the wait to start indicator control circuit. The parameter displays Malfunction if the wait to start indicator control circuit is shorted to ground. |
| Wait to Start Indicator Control Circuit Open Test Status | - | OK | This parameter displays the state of the wait to start indicator control circuit. The parameter displays Malfunction if the wait to start indicator control circuit is open. |
| Warm-ups Since DTC Cleared | - | Counts | This parameter indicates the number of warm up cycles that have occurred Since DTCs were cleared. The scan tool will display a higher counts as more warm up cycles have occurred since the DTCs were cleared. |
| Warm-ups without Emission Malfunctions | - | Counts | This parameter indicates the number of warm up cycles that have occurred without an emission fault present. The scan tool will display a 0 if a malfunction has occurred. The scan tool will display a higher count if a number of warm up cycles have occurred without an emission malfunction. |
| Warm-ups without Non-emission Malfunctions | - | Counts | This parameter indicates the number of warm up cycles that have occurred without a non-emission fault present. The scan tool will display a 0 if a malfunction has occurred. The scan tool will display a higher count if a number of warm up cycles have occurred without a non-emission malfunction. |
| Water in Fuel | - | No | This parameter indicates if there is water in the fuel. |
| Water in Fuel Indicator Command | - | Off | This parameter indicates if water in the fuel indicator is On or Off. |
| Water in Fuel Sensor | - | Volts | This parameter displays the water in fuel sensor voltage input. |
Output Control
| Parameter | Description |
|---|---|
| This is a comprehensive list. Not all output controls listed are available for all applications. | |
| A/C Compressor Clutch Relay | This device control is used to override the state of the air conditioning compressor output. |
| Ambient Air Temperature Calculation Reset | This device control is used to reset the estimated ambient air temperature value to the current sensor value following a service repair. |
| BARO Sensor Reset | This device control is used to reset learned barometric pressure values in case of either an ECU or barometric pressure sensor replacement. |
| Brake Pedal Position Sensor Learn | This device control is used to reset the initialized values for the brake pedal fully released learned position. |
| Catalyst Reset | This device control is used to reset learned values in case of a diesel oxidation catalyst replacement. The engine must be OFF and Ignition ON. |
| Compression Test Starter Relay | This device control is used to set up the internal combustion engine for a compression test. |
| Coolant Fill | This device control is used to start an automatic coolant fill service routine that will ensure proper fill and de-aeration of the cooling system. |
| Cooling Fan Motor | This device control is used to override the state of cooling fan duty cycle control output. |
| Crankshaft Position Reluctor Ring Learned Values Reset | This device control is used to reset the crank wheel adaptation values in case of an ECU or crank wheel replacement. |
| Crankshaft Position Variation Learn | This device control is used to activate the crankshaft position variation learn (CASE) algorithm which calculates the reference pulse correction factors for the misfire diagnostic. |
| Cylinder 1 - 8 Fuel Injector Correction Value Reset | This device control is to be used to reset the NVC and ZFC values to zero if one or more of the fuel injectors have been replaced. |
| Cylinder 1 - 8 Injector Flow Identifier | This device control contains the data that the Engine Control Module will need in order to do proper Injector Fuel Quantity adjustments. If a new ECM is being installed, this data shall be read from the old ECM and transferred to the new ECM. If an injector is replaced, the injector code must be downloaded to the ECM |
| Cylinder Balance Rate Monitor | This device control is used to enable or disable Cylinder Fuel Balancing. |
| Cylinder Power Balance | This device control disables each fuel injector at any engine or vehicle speed. The device control will not change unless changed or cancelled by the scan tool. |
| DPF Pressure Sensor Reset | This device control is used to reset learned values in case of a diesel particulate filter pressure sensor replacement. |
| DPF Regeneration Enable | This function enables a DPF Regeneration when the vehicle meets the conditions for running. This function will by-pass the normal soot model, so the next time the vehicle is under the conditions for an active regeneration to take place, the ECM will go ahead and initiate the regeneration event. This device control is used to Force the Diesel Particulate Filter to perform regeneration. The Device Control sets an indication in the ECU that the controller shall perform regeneration, the next time the driving condition are met. The Regeneration shall be performed even if the tool is no longer connected to the vehicle. |
| DPF Regeneration Inhibit | This device control is used to inhibit the Diesel Particulate Filter to perform regeneration, even if the driving conditions are met. The inhibit function shall only work when the tool is connected to the vehicle. |
| DPF Reset | This device control is used to reset learned values in case of a diesel particulate filter replacement. |
| DPF Service Regeneration | This device control enables a DPF Regeneration. The engine coolant must be greater than 70 - 115°C (158 - 239°F). Vehicle must be in Park. Ambient temperature must be greater than -30°C (-22°F). Brake pedal and accelerator must be in the released position. The scan tool will display all inhibit reasons. The scan tool must remain connected until test is complete. This function takes approximately 35 minutes to complete. During this procedure the RPM will slowly increase to 2, 500 RPM and remain there for approximately 25 minutes. |
| EGR | This device control is used to verify functionality of the Exhaust Gas Recirculation Valve by allowing the Exhaust Gas Recirculation Valve output to be commanded to a specific duty cycle. |
| EGR Cooler Bypass Motor | This device control is used to verify functionality of the Exhaust Gas Recirculation (EGR) Cooler Bypass Valve system by allowing the EGR Cooler Bypass Valve output to be commanded to a specific position. |
| EGR Cooler Bypass Valve | This device control is used to verify functionality of the Exhaust Gas Recirculation (EGR) Cooler Bypass Valve system by allowing the EGR Cooler Bypass Valve output to be commanded to a specific position |
| EGR Valve | This device control is used to verify functionality of the Exhaust Gas Recirculation (EGR) system by allowing the Exhaust Gas Recirculation output to be commanded to a specific lift. |
| Engine Compression Quick Test | This device control is used to initiate the semi-automatic compression test on Diesel engines. |
| Engine Controls Ignition Relay | This device control is used to override the state of the Powertrain Relay. |
| Engine Oil Life Reset | This device control contains the engine oil remaining life determined from a calibration based upon the effective engine revolutions and the distance driven since the last oil change. This device control may be used to reset the engine oil remaining life to 100% after an oil change or to any other value when replacing an engine control module. |
| Engine Oil Pressure Control Solenoid Valve | This device control is used to override the state of the variable displacement oil pump. When the variable displacement oil pump is turned ON, the oil pump will be commanded to a low pressure state. |
| Engine Speed | This device control is used to override the idle engine speed. |
| Exhaust Aftertreatment Data Reset | This device control is used to reset the exhaust aftertreatment fuel injector OEM data in case of a replacement. |
| Exhaust Aftertreatment Fuel Injector | This device control is used to verify functionality of the Exhaust Aftertreatment Fuel Injector by allowing Exhaust Aftertreatment Fuel Injector output to be commanded to a specific duty cycle. |
| Exhaust Aftertreatment Fuel Injector Cleaning Procedure | This device control is used to trigger the Exhaust Aftertreatment Fuel Injector tip cleaning procedure. |
| Exhaust Aftertreatment Fuel Injector Flow Test | This device control is used to trigger the Exhaust Aftertreatment Fuel Injector to be commanded on for a calibrateable duration and a calibrateable HC injection quantity in order to test the flow of the injector. |
| Exhaust Gas Recirculation | This device control is used to verify functionality of the Exhaust Gas Recirculation (EGR) system by allowing the Exhaust Gas Recirculation output to be commanded to a specific lift. |
| Exhaust Gas Temperature Sensor Reset | This device control is used to reset the SCR (Selective Catalytic Reduction) Temperature Sensor data in case of a replacement. |
| Fuel Filter Life Reset | This device control resets the fuel filter life remaining to 100%. |
| Fuel Injection Small Quantity Data Reset | This device control is used to reset the learned values of the small quantity adjustment (SQA) map in case of a fuel rail pressure sensor replacement. |
| Fuel Injection Small Quantity Learning Odometer Reset | This device control is used to initialize small quantity learn internal odometer to a default value. |
| Fuel Heater Relay | This device control is used to override the state of the Fuel Filter Heater output. |
| Fuel Injector Balance | This feature will allow the technician to inspect the fuel system for leaks after servicing the fuel system or after any other service procedure that required disconnection or removal of fuel system components. |
| Fuel Injector Correction Value Preset | This device control resets all injector NVC and ZFC values to the default value. This device control is to be used if the old ECM values cannot be transferred to the new ECM after replacement. |
| Fuel Pressure Regulator 1 | This device control is intended for use on a Direct Injection (DI) high pressure fuel supply system to activate the fuel pressure regulator 1 at ignition ON, engine OFF. Both the low side and high side of the regulator are controlled together. Commanding the regulator to ON will modulate the high side driver to a calibratible "maximum" duty cycle. (Note: As this is an electrical circuit test, a regulator solenoid commanded to ON does not necessarily equate to the regulator state at maximum fuel pressure.) |
| Fuel Pressure Regulator 2 | This device control is intended for use on a Direct Injection (DI) high pressure fuel supply system to activate the fuel pressure regulator 2 at ignition ON, engine OFF. Both the low side and high side of the regulator are controlled together. Commanding the regulator to ON will modulate the high side driver to a calibratible "maximum" duty cycle. (Note: As this is an electrical circuit test, a regulator solenoid commanded to ON does not necessarily equate to the regulator state at maximum fuel pressure.) |
| Fuel Pump Relay | This device control is used to override the state of the fuel pump output. |
| Fuel Pump 2 Relay | This device control is used to override the state of the electric secondary transfer pump output. |
| Fuel Rail Pressure | This device control is intended for use on a Direct Injection (DI) high pressure fuel supply system to override the commanded fuel high pressure output from the powertrain controller. |
| Fuel Trim Enable | This device control is used to deactivate the Fuel Mass Observer (FMO). |
| Fuel Trim Reset | This device control is used to reset the Fuel Mass Observer data in case of a replacement. |
| Generator L-Terminal | The commanded states are ON and OFF. Selecting OFF commands the ECM to turn OFF the generator and stop generating an output voltage. |
| High Side Driver 1 | This device control is used to override the state of the Shared High Side Driver 1 output. |
| High Side Driver 2 | This device control is used to override the state of the Shared High Side Driver 2 output. |
| HO2S Heater Sensor 1 | This device control is used to override the duty cycle of the oxygen sensor heaters. |
| Intake Air Flow Valve Motor | This function increases or decreases the position of the IAF valve. |
| Intake Air Flow Valve Position | This parameter displays the actual position of the intake air flow valve. |
| Intake Manifold Runner Control Valve | This device control is used to override the state of the intake manifold runner control output. |
| Malfunction Indicator Lamp (MIL) | This device control is used to either turn the Malfunction Indicator Lamp (MIL) on or off. |
| Misfire Graphic | This device control produces a misfire graphic while the engine is running. |
| NOx Catalyst Reductant Loading Reset | This device control is used to reset the adaptive values for the SCR (Selective Catalytic Reduction) data. |
| NOx Catalyst Reset | This device control is used to reset the Selective Catalytic Reduction (SCR) data in case of a replacement. |
| NOx Sensor 1 Heater- Engine Running | This device control is used to control the duty cycle of the NOx Sensor 1 Heater with the engine running. The Duty Cycle is fixed at a predetermined value and is controlled for a predetermined amount of time. |
| NOx Sensor 1 Reset | This device control is used to reset the NOx Sensor 1 data in case of a replacement. The engine must be Off and the Ignition On. |
| NOx Sensor 2 Heater- Engine Running | This device control is used to control the duty cycle of the NOx Sensor 2 Heater with the engine running. The Duty Cycle is fixed at a predetermined value and is controlled for a predetermined amount of time. |
| NOx Sensor 2 Reset | This device control is used to reset the NOx Sensor 2 data in case of a replacement. The engine must be OFF and the Ignition ON. |
| Particulate Matter Sensor Service Regeneration | This device control is used to force a particulate matter sensor measurement cycle, consisting of a particulate sensor probe regeneration and subsequent soot accumulation measurement. The system will return to normal control after one measurement cycle is successfully completed. One full measurement cycle can take 15 minutes or more to complete depending up the particulate filter state of health. |
| Pilot Injection Balance Procedure | This device control disables each fuel injector pilot injection. Device Control can be changed at any engine or vehicle speed. The device control will not change unless changed or cancelled by the scan tool. |
| Positive Crankcase Ventilation Heater | This device control is used to turn the crankcase ventilation heater output ON or OFF. |
| Prime Fuel Pump | This device control is used to override the state of the fuel pump output. |
| Programming History | This device control is used to view the history buffer entries for the primary calibration part in the controller. |
| Reductant Fluid Quality Test | This device control is used to force a Selective Catalyst Reduction (SCR) Service Quality Check. |
| Reductant Fluid Tank Level Reset | This device control is used to Reset the Reductant Fluid Tank Level. |
| Reductant Heater 1 | This device control is used to override the state of the Reductant Heater 1. The scan tool disables the test when the following control limits are exceeded.
|
| Reductant Heater 2 | This device control is used to override the state of the Reductant Heater 2. |
| Reductant Heater 3 | This device control is used to override the state of the Reductant Heater 3. |
| Reductant Injection Quantity Test | This device control is used to inject a specific amount of reductant from the reductant injector. A system purge will be required once the test is complete. |
| Reductant Injector | This device control is used to verify functionality of the NOx Reductant Injector by allowing NOx Reductant Injector output to be commanded to a specific duty cycle. |
| Reductant Injector Reset | This device control is used to reset the Reductant Injector variables after the Injector is replaced. |
| Reductant Pump | This device control is used to verify functionality of the NOx Reductant Pump by allowing NOx Reductant Pump output to be commanded to a specific duty cycle. |
| Reductant Purge | This device control is used to purge the reductant lines of fluid. |
| Reductant Purge Valve | This device control is used to command the state of the NOx Reductant Line Purge valve. |
| Reductant System Tamper Warning Service Bay Test | This device control is used to force a SCR (Selective Catalyst Reduction) service bay test. |
| Reductant System Data Reset | This device control is used to reset the ECM data in case of a replacement. |
| Reductant System Leak Test | This device control is used to pressurize the reductant system in order to perform a visual inspection for leaks. A system purge will be required once the test is complete. |
| Reductant System Malfunction Warning Service Bay Test | This device control triggers the Selective Catalytic Reduction (SCR) Tamper Service Bay Test. |
| Reductant System Reset | This device control is used to reset the Reductant Module data in case of a replacement. |
| Remote Vehicle Start Disable History Reset | This device control is used to trigger the reset of the last eight reasons that powertrain has disabled remote vehicle start (RVS). |
| Sensor Supply Voltage Relay | This device control is used to control the sensor bus supply relay. |
| Starter Relay | This device control is used to override the state of the Starter Relay output. Fuel is disabled to prevent the engine from starting if the starter relay output is commanded On. |
| Total Fuel Consumed Reset | This device control contains the after treatment related data parameter that needs to be transferred in case of an ECM replacement. |
| Turbocharger Learn | This device control is used when the Turbocharger assembly, Vane position control solenoid valve, Vane position sensor is replaced, or repairs that disturb turbocharger components. |
| Turbocharger Vane Position | This device control adjusts the turbocharger vane position in 5 percent increments from 0 - 100 percent. The device control will be aborted if engine speed is above idle or if the coolant temperature is too cold. |
| Turbocharger Vane Position Actuator | This device control is used to control the duty cycle for a variable geometry turbocharger. |
| Turbocharger Vane Position Learn | This device control triggers the Variable Geometry Turbo (VGT) Actuator Learn in the event of a turbocharger or actuator replacement. |
| Turbocharger Vane Position Solenoid Valve | This device control cycles the turbocharger vane position solenoid to 100 percent boost and back to 0 percent boost. The device control is limited to engine speeds less than 1, 500 RPM and will be disabled if DTC P0047 or P0048 are set. |
| Wait to Start Indicator | This device control is used to turn the Glow Plug (Wait to start) Lamp ON/OFF. |
Engine Control Module Scan Tool Data
| Parameter | Value | Description |
|---|---|---|
| This is a comprehensive list. Not all parameters listed are available for all applications. Base Operating Conditions: Engine Idling/Radiator Hose Hot/Park or Neutral/Closed Loop |
||
| 5 V Reference 1, 2, 3, 4 or 5 | Volts | This parameter displays the voltage sensed on the 5 V reference circuits at the control module. The scan tool will display a higher value at higher voltage. The scan tool will display a lower value at lower voltage. |
| 5 V Reference 1, 2, 3, 4 or 5 Circuit Status | OK/Okay, Malfunction | This parameter will display OK/Okay if the circuit is good or Malfunction if a short to ground, short to B+ is present. |
| A/C Compressor Clutch Inhibit Reason History 1 or 2 | None | This parameter displays one of the following if an A/C Compressor Clutch Inhibit reasons is detected. High Side Fluid Pressure, Engine Speed, Battery Voltage, Engine Stall, Engine Speed Stabilization, Wide Open Throttle, Vehicle Launch Performance, High Coolant Temperature, AC Relay Fault, Hybrid Request, AutoStop Request, High Power Electronics Coolant Temperature, High Transmission Fluid Temperature, Full Pedal Power Limit Applied, Airbag deployed, Battery Power Limit Exceeded, Powertrain Diagnostics, AC Compressor Fault, Serial Communication Fault, or Low Brake Vacuum. |
| A/C Compressor Clutch Relay Command | Off | This parameter displays when the A/C Compressor Clutch relay is commanded ON or OFF. |
| A/C Compressor Clutch Relay Control Circuit High Voltage Test Status | OK/Okay, Malfunction, Not Run | This parameter displays the status of the relay control circuit. It can display OK/Okay, Malfunction or Not Run. |
| A/C Compressor Clutch Relay Control Circuit Low Voltage Test Status | OK/Okay, Malfunction, Not Run | This parameter displays the status of the relay control circuit. It can display OK/Okay, Malfunction or Not Run. |
| A/C Compressor Clutch Relay Control Circuit Open Test Status | OK/Okay, Malfunction, Not Run | This parameter displays the status of the relay control circuit. It can display OK/Okay, Malfunction or Not Run. |
| A/C Disabled - A/C Pressure Out of Range | No | This parameter displays whether the A/C pressure is out of range for normal operation as determined by the control module. |
| A/C Disengage 1 - 8 History | Reason for A/C Disengagement | The parameter displays reason for the last 8 air conditioning (A/C) compressor disengagements in order from 1 to 8 with 8 being the most recent. There are 8 possible causes for the A/C compressor to disengage. |
| A/C High Side Pressure Sensor | Volts* | This parameter displays the voltage signal from the A/C high side pressure sensor input to the control module. * Varies with temperature, humidity, and altitude. |
| A/C High Side Pressure Sensor | kPa (psi)* | This parameter displays the pressure from the A/C high side pressure sensor signal circuit to the control module. * Varies with temperature, humidity, and altitude. |
| A/C OFF for WOT | No | This parameter displays whether the control module is commanding the A/C compressor clutch relay OFF for wide open throttle (WOT). |
| A/C Request Signal | No | This parameter displays the state of the A/C request input to the control module from the heating, ventilation, and air conditioning (HVAC) controls. |
| Accelerator Pedal Position | % | This parameter displays the angle of the accelerator pedal position (APP) as calculated by the control module using the signals from the APP sensors. |
| Accelerator Pedal Position When Engine Overspeed Detected | % | This parameter displays the accelerator pedal position (APP) observed upon initial detection of an overspeed condition. This value will be updated upon each overspeed condition. |
| Active Grille Air Shutter Ambient Air Temperature | °C (°F) | This parameter displays the temperature detected and used by the Active Air Shutter system. |
| Active Grille Air Shutter Control | Active/Inactive | This parameter indicates if the Active Grille Air Shutter Control is Active or Inactive. |
| Active Grille Air Shutter Control Status | ON/OFF | This parameter displays the control status of the active air shutter. |
| Active Grille Air Shutter Desired Position Achieved | Yes/No | This parameter indicates if the Active Grille Air Shutter Desired Position is Achieved. |
| Active Grille Air Shutter Diagnostic Control | Active/Inactive | This parameter indicates if the control system is attempting to move the Active Grille Air Shutter for diagnostic purposes. Displays Active or Inactive. |
| Active Grille Air Shutter Ice Protection Mode | Active/Inactive | This parameter indicates whether or not the Shutter control algorithm is in Ice Mode, which attempts to park the shutter and prohibit further operation. Displays Active or Inactive. |
| Active Grille Air Shutter Initialization Status | Complete/Incomplete | This parameter displays the initialization status of the Active Grille Air Shutter. |
| Active Grille Air Shutter Position | % | This parameter displays the position of the active grill air shutter. 0% = fully closed, 100% = fully open. |
| Active Grille Air Shutter Status | Moving/Stationary | This parameter indicates if the Active Grille Air Shutter is Moving or Stationary. |
| Active Grille Air Shutter Supply Voltage | Volts | This parameter indicates the Active Grille Air Shutter Supply Voltage. |
| Active Grille Air Shutter Torque Command | Counts | This parameter displays the commanded torque level for the active air shutter. 0 = Nominal Torque. |
| Air/Fuel Equivalence Ratio Command | Varies | This parameter should display 1.0 when in Closed Loop fuel control. |
| Alternative Fuel Injector 1, 2, 3, 4, 5, 6, 7 or 8 Command | On/Off | This parameter contains the commanded state of the alternative fuel injector 1 output (the output is considered to be commanded on if the injector is enabled while the engine is running or cranking). |
| Alternative Fuel Injector 1 Control Circuit High Voltage Test Status | OK/Okay, Malfunction, Not Run | This parameter displays the state of the Alternative Fuel Injector 1 control circuit. The parameter displays Malfunction if the Alternative Fuel Injector 1 control circuit is shorted to voltage. |
| Alternative Fuel Injector 1 Control Circuit Low Voltage Test Status | OK/Okay, Malfunction, Not Run | This parameter displays the state of the Alternative Fuel Injector 1 control circuit. The parameter displays Malfunction if the Alternative Fuel Injector 1 control circuit is shorted to ground. |
| Alternative Fuel Injector Pulse Width Bank 1 | ms | This parameter displays the alternative fuel injector pulse width (on time) commanded to each cylinder on bank 1. |
| Alternative Fuel Injector Pulse Width Bank 2 | ms | This parameter displays the alternative fuel injector pulse width (on time) commanded to each cylinder on bank 2. |
| Alternative Fuel Rail Pressure | kPa/psi | This parameter displays the fuel rail pressure calculated as the difference between alternative fuel rail absolute pressure and ambient air pressure (barometric pressure). This measurement is a "gauge pressure." (Gauge = Absolute - Ambient) Range 0 to 2048 kPa. |
| Alternative Fuel Rail Pressure | Volts | This parameter displays the alternative fuel rail pressure sensor analog input as a percentage of its reference voltage. |
| Alternative Fuel Rail Pressure Sensor | kPa | This parameter displays an 'undefaulted' fuel rail pressure relative to manifold vacuum. This is intended for gaseous fuel injection alternative fuel applications (CNG/LPG Mono-Fuel and Bi-Fuel). |
| Alternative Fuel Rail Temperature | °C (°F) | This parameter displays the undefaulted alternative fuel rail temperature measured by a sensor. Range is -40 to 215°C. |
| Alternative Fuel Shutoff Valve 1 or 2 Control Circuit Command | On/Off | This parameter displays the commanded state of the alternative fuel shutoff valve 1 output (the output is considered to be commanded on if the shutoff valve is enabled while the engine is running or cranking). |
| Alternative Fuel Shutoff Valve 1 or 2 Control Circuit High Voltage Test Status | OK/Okay, Malfunction, Not Run | This parameter displays the state of the Alternative Fuel Shutoff Valve 1 or 2 control circuit. The parameter displays Malfunction if the Alternative Fuel Shutoff Valve is shorted to voltage. |
| Alternative Fuel Tank Pressure | Volts | This parameter displays the alternative fuel tank pressure sensor analog input as a percentage of its reference voltage. |
| Ambient Air Temperature | Varies | This parameter displays temperature from the input of the Intake Air Temperature Sensor. |
| Ambient Air Temperature | °C (°F) Varies | This parameter displays the outside air temperature as calculated by the control module. |
| Ambient Air Temperature When Recommended Maximum Fuel Alcohol Content Exceeded | °C (°F) | This parameter displays the ambient air temperature when the recommended maximum fuel alcohol content was exceeded. |
| Ambient Humidity | % | This parameter displays the current ambient humidity level. |
| APP Sensor 1 | Volts | This parameter displays the actual voltage on the accelerator pedal position (APP) sensor 1 signal circuit as measured by the control module. |
| APP Sensor 1 and 2 | Agree | This parameter displays Disagree if the control module detects the signal voltage from APP sensor 1 is not in correct relationship to APP sensor 2. The scan tool displays Agree under the normal operating conditions. |
| APP Sensor 1 Circuit Status | OK/Okay | APP Sensor 1 Out of Range indicates that the sensed accelerator pedal position 1 sensor value is currently out of range or that a Malfunction has been detected based upon the sensed accelerator pedal position 1 sensor value being out of range |
| APP Sensor 1 Learned Applied Position | % | This parameter contains the learned maximum (fully applied) accelerator pedal position relating to absolute accelerator pedal position (no correction or normalization based upon learned minimum or maximum positions) from accelerator pedal position sensor 1. |
| APP Sensor 1 Learned Released Position | Volts | This parameter indicates the accelerator pedal sensor 1 signal at its minimum learned position (pedal released) as a percentage of its reference voltage. (The minimum learned position is automatically updated periodically as determined by the calibration. |
| APP Sensor 1 Position | % | This parameter contains the displacement determined from accelerator pedal position sensor 1 (corrected and normalized based upon its learned minimum and maximum positions). |
| APP Sensor 2 | Volts | This parameter contains the accelerator pedal position sensor 2 analog input as a percentage of its reference voltage |
| APP Sensor 2 | Volts | This parameter displays the actual voltage on the accelerator pedal position (APP) sensor 2 signal circuit as measured by the control module. |
| APP Sensor 2 Circuit Status | OK/Okay | APP Sensor 2 Out of Range indicates that the sensed accelerator pedal position 2 sensor value is currently out of range or that a malfunction has been detected (and latched) based upon the sensed accelerator pedal position 2 sensor value being out of range |
| APP Sensor 2 Learned Applied Position | % | This parameter contains the learned maximum (fully applied) accelerator pedal position relating to absolute accelerator pedal position (no correction or normalization based upon learned minimum or maximum positions) from accelerator pedal position sensor 2. |
| APP Sensor 2 Learned Released Position | Volts | This parameter indicates the accelerator pedal sensor 2 signal at its minimum learned position (pedal released) as a percentage of its reference voltage. (The minimum learned position is automatically updated periodically as determined by the engine control module. |
| APP Sensor 2 Position | % | This parameter contains the displacement determined from accelerator pedal position sensor 2 (corrected and normalized based upon its learned minimum and maximum positions). |
| APP Sensors | % | This parameter contains the accelerator pedal position resulting directly from the settling of differences of the accelerator pedal position sensors (prior to any compensation to determine driver intent). |
| Autostop/Autostart Disable Mode | Active | This parameter displays "Active" when all conditions for allowing the autostop/autostart mode are present (no inhibit conditions exist), this parameter displays "Inactive" when all conditions for allowing the autostop/autostart mode are not present. |
| Autostart Inhibit Reason Autostop/Autostart Malfunction | No | This parameter displays that a immediate stop was commanded due to a Autostop/Autostart malfunction. |
| Autostart Inhibit Reason | No | The scan tool displays Yes if one of the following Autostart Inhibit Reason is detected. Control Function Active, Crank Abort, Driver Exited Vehicle, ECM Malfunction, ECM Request, Engine Coolant Temperature Out of Range, Hood Ajar, Hybrid/EV Power Conditions, Hybrid/EV Battery Pack Contactor Open, Hybrid/EV Battery Pack Power Low, Hybrid/EV Battery Pack State of Charge Low, Hybrid/EV Battery Pack Voltage Low, Hybrid/EV Propulsion System Inactive, Not Commanded, Run/Crank Not Active, System Malfunction, Transmission Range. |
| Autostart Reason | No | This parameter displays Yes if one of the following Autostart Reason is detected. A/C Request, Acceleration Request, Accelerator Pedal Pressed, Auxiliary Transmission Fluid Pump Not Available, Brake Booster Weak Vacuum, Brake Pedal Released, Clutch Pedal Applied, Control Function Active, Drive Motor Inverter Temperature High, Drive Motor Temperature High, Driver Exited Vehicle, ECM Request, Engine Coolant Temperature Out of Range, Hood Ajar, Hybrid/EV Battery Module Voltage Low, Hybrid/EV Battery Pack Power Low, Hybrid/EV Battery Pack State of Charge Low, Hybrid/EV Battery Pack Temperature, Hybrid/EV Battery Pack Voltage Low, Hybrid/EV Propulsion System Inactive, Ignition Switch Start, Inclination, Invalid Data Received, Low Voltage Battery Discharge Current High, Low Voltage Battery State of Function Low, Low Voltage Battery State of Health Low, Low Voltage Battery Voltage Low, Maximum Autostop Time Exceeded, Minimum Engine Run Time Not met, Reduced Engine Power Active, Remote Vehicle Start Request, Stop/Start Select Switch, System Malfunction, System Optimization, System Voltage Low, TCM Demand, Tow/Haul Mode Switch ON, Transmission Fluid Temperature Out of Range, Transmission In Reverse, Transmission Range, Vehicle Speed Too High. |
| Autostop Disable Reason | No | The scan tool displays Yes if one of the following Autostop Disable Reason is detected. 12 V Start Counter Exceeded, A/C Request, Acceleration Request, Accelerator Pedal Pressed, Auxiliary Transmission Fluid Pump Not Available, Brake Booster Weak Vacuum, Brake Pedal Released, Clutch Pedal Applied, Control Function Active, Drive Motor Inverter Temperature High, Drive Motor Temperature High, ECM Request, Engine Coolant Temperature Out of range, Engine Speed High, Generator Load High, Hood Ajar Hybrid/EV Battery Module Voltage Low, Hybrid/EV Battery Pack Power Low, Hybrid/EV Battery Pack State of Charge Low, Hybrid/EV Battery Pack Temperature, Hybrid/EV Battery Pack Voltage Low, Hybrid/EV Propulsion System Inactive, Idle Boost Mode Active, Ignition Switch Start, Intake Manifold Weak Vacuum, Invalid Data Received, Low Voltage Battery Discharge Current High, Low Voltage Battery State of Charge Low, Low Voltage Battery State of Function Low, Low Voltage Battery State of Health Low, Low Voltage Battery Temperature Out of Range, Low Voltage Battery Voltage Low, Maximum Vehicle Stop Time Exceeded, Minimum Engine Run Time Not Met, Reduced Engine Power Active, Remote Vehicle Start Request, Run/Crank Not Active, Stop/Start Select Switch, System Optimization, System Voltage Low, TCM Request, Tow/Haul Mode Switch ON, Transmission Fluid Temperature Out of Range, Transmission in Reverse, Transmission Range, Vehicle Inclination, Vehicle Speed Threshold Not Reached, Vehicle Speed Too High, Wheel Slip Detected. |
| Auxiliary Coolant Pump Relay Command | On/Off | This parameter displays the command status of the Auxiliary Coolant Pump Relay. |
| Auxiliary Coolant Pump Relay Control Circuit High Voltage Test Status | OK/Okay, Malfunction, Not Run | This parameter displays the status of the Auxiliary Coolant Pump Relay Control Circuit High Voltage Test. Can display OK/Okay, Malfunction, or Not Run. |
| Auxiliary Coolant Pump Relay Control Circuit Low Voltage Test Status | OK/Okay, Malfunction, Not Run | This parameter displays the status of the Auxiliary Coolant Pump Relay Control Circuit Low Voltage Test. Can display OK/Okay, Malfunction, or Not Run. |
| Auxiliary Coolant Pump Relay Control Circuit Open Test Status | OK/Okay, Malfunction, Not Run | This parameter displays the status of the Auxiliary Coolant Pump Relay Control Circuit Open Circuit Test. Can display OK/Okay, Malfunction, or Not Run. |
| Average Fuel Age | Days | This parameter displays the average fuel age in days. |
| Axle Torque | N.m | This parameter displays the Axle Torque value sent from the hybrid control processor (HCP) to the ECM and anti-lock brake system (ABS) module. |
| Axle Torque Command | N.m (lb ft) | This parameter displays the commanded Axle Torque value. |
| BARO | kPa (psi) | This parameter displays the barometric pressure. The control module uses the barometric pressure sensor input for fuel control to compensate for altitude differences. |
| BARO Sensor | Volts | This parameter displays the barometric pressure sensor voltage. |
| Barometric Pressure Sensor Bank 1 | kPa (psi) | This parameter displays the ambient air pressure. |
| Barometric Pressure Sensor Bank 2 | Volts | This parameter displays the signal voltage of the barometric pressure sensor |
| Base Model Part Number | # | This parameter displays information which is used during programming to identify unique combinations of hardware and software. |
| Battery Capacity | Ah | This parameter displays the capacity of the battery in Amp-hours. |
| Battery Sensor Module Battery State Information | Available/Not Available | This parameter indicates if Battery State Information is Available or Not Available. Battery State Information is Not Available when there is a battery drain such as a parasitic draw. |
| Battery Sensor Module Reset Occurred - Using Estimated State of Charge | Yes/No | This parameter indicates if the current battery State of Charge is estimated. This occurs when the BSM has been reset. |
| Battery State of Charge | % | This parameter displays the Battery State of Charge (SOC). SOC is a calculated value provided by an intelligent battery sensor (IBS). |
| Battery State of Health | % | This parameter displays the Battery State of Health (SOH). SOH is a calculated value provided by an intelligent battery sensor (IBS). |
| Battery Type | N/A | This parameter displays the battery type. |
| Battery Voltage | Volts | This parameter displays the battery voltage. |
| Battery Voltage High Resolution | Volts | This parameter displays the high resolution battery voltage value. |
| Boost Pressure | kPa | This parameter shows the Turbocharger boost pressure in kPa. |
| Boost Pressure Sensor | kPa | This parameter shows the Turbocharger boost pressure in kPa. |
| Boost Pressure Sensor | Volts | This parameter displays the turbocharger boost pressure sensor in voltage. |
| Brake Booster Pressure Sensor | Volts | This parameter displays the brake booster vacuum pressure analog input as a percentage of its reference voltage. |
| Brake Booster Pressure Sensor | kPa | This parameter displays the undefaulted, unfiltered brake booster vacuum pressure measured by a sensor. |
| Brake Pedal Position Circuit Signal | Closed | This parameter displays the serial data message of the brake signal from the electronic brake and traction control module (EBTCM). |
| Brake Pedal Position Circuit Signal | Released | This parameter displays the displacement of the brake pedal. |
| Brake Pedal Position Sensor | % | This parameter displays the displacement of the brake pedal, where 0% corresponds to the brake pedal being released and 100% corresponds to the brake pedal being fully applied. |
| Brake Pedal Position Sensor | Volts | This parameter displays the brake pedal position as indicated by the analog sensor as a percentage of its reference voltage. |
| Brake Pedal Position Sensor Fully Released Learn Status | Complete | This parameter displays the brake pedal fully released learn position status. |
| Brake Pedal Position Sensor Learned Released Position | Volts | This parameter displays the position learned for the brake pedal position sensor when the brake pedal is fully released. |
| Brake Pedal Position Sensor Signal | Released | This parameter displays the serial data message of the brake position sensor signal from the electronic brake and traction control module (EBTCM). |
| Calculated Air Flow | G/S | This parameter contains the mass airflow determined from the speed density (MAP based) calculation of air mass per cylinder. |
| Calculated BARO | kPa/psi | This parameter contains an estimate of barometric pressure, used to correlate with sensed ambient air pressure in the Barometric Pressure Correlation Diagnostic. |
| Calculated Catalyst Temperature or Calculated Catalyst Temperature Bank 1 or Bank 2 |
°C (°F) | This parameter contains the estimated catalyst temperature (as a function of engine speed, engine airflow, and fuel ethanol percentage) for use in the oxygen sensor and catalyst monitor diagnostic algorithms. |
| Calculated Engine Oil Pressure | kPa (psi) | This parameter displays the filtered value for the engine oil pressure. |
| Calculated Engine Oil Temperature | °C (°F) | This parameter displays the estimated engine oil temperature (as a function of engine coolant temperature and other parameters). |
| Calibration History Buffer | Unlocked | This parameter displays locked when the buffer has been locked against further updates due to detection of a non-production calibration. |
| Calibration Verification Number History 1 - 10 | # | This parameter displays the history entries for the primary calibration part in the controller. |
| Camshaft Position Active Counter | Counts | This parameter displays a rolling count of the number of primary cam position sensor pulses. |
| Camshaft Position Sensor | RPM | This parameter displays the speed of the engine as calculated by the signal from a camshaft position (CMP) sensor. This parameter will always display 0 unless a condition with the CKP sensor or CKP reluctor exists. If a CKP condition exists the control module will use a valid CMP sensor signal to determine engine speed and crank/camshaft position. |
| Camshaft Position Signal Output Circuit High Voltage Test Status | OK/Okay, Malfunction | This parameter displays the state of the Camshaft Position Signal Output Circuit. The parameter displays Malfunction if the Camshaft Position Signal Output Circuit is shorted to voltage. |
| Camshaft Position Signal Output Circuit Low Voltage Test Status | OK/Okay, Malfunction | This parameter displays the state of the Camshaft Position Signal Output Circuit. The parameter displays Malfunction if the Camshaft Position Signal Output Circuit is shorted to ground. |
| Camshaft Position Signal Output Circuit Open Test Status | OK/Okay, Malfunction | This parameter displays the state of the Camshaft Position Signal Output Circuit. The parameter displays Malfunction if the Camshaft Position Signal Output Circuit is open. |
| Catalyst Monitor Complete | Yes/No | This parameter indicates the status of the Catalyst. The scan tool displays YES when the diagnostic is complete. And NO if the diagnostic has not run, or a malfunction is detected in the catalyst. |
| Catalyst Monitor Complete This Ignition Cycle | Yes/No | This parameter indicates the status of the catalyst monitor diagnostic. Catalyst Monitor Test Running indicates yes or no when the catalyst monitor diagnostic is actively running a test. |
| Catalyst Monitor Enabled | Yes/No | The scan tool displays YES when the Catalyst Monitor is Enabled. If the scan tool displays NO this could indicate a malfunction in the Catalyst Monitor circuit. |
| Catalyst Monitor Enabled this Ignition Cycle | Yes/No | This parameter displays the monitor enable status during the current driving/monitoring cycle. |
| Catalyst Monitor Not At Idle Test Conditions Met | Yes/No | This parameter indicates the status of the catalyst monitor diagnostic. Catalyst Monitor Test Running indicates yes or no when the catalyst monitor diagnostic is actively running a test. |
| Catalyst Monitor Test Counter or Catalyst Monitor Test Counter Bank 1 or 2 |
Counts | This parameter contains the number of repeated results of the catalyst monitor diagnostic test that have been performed since a code clear (used to determine if a sufficient number of tests have run to report a passing condition). |
| Catalyst Monitor Test Result or Catalyst Monitor Test Result Bank 1 or 2 |
No Decision/Failed/Passed | This parameter indicates the status of the catalyst monitor diagnostic. Multiple tests may run before the diagnostic reports a "Pass" or "Fail" and will be tracked by Catalyst Monitor Diagnostic Test Counter. When this Parameter reports a "Pass" or "Fail", the diagnostic is complete for the current trip and will not attempt any further tests. |
| Catalyst Monitor Test State | Active/Inactive | This parameter indicates the status of the catalyst monitor diagnostic by displaying active or inactive. This test will only run with the engine at idle. |
| Change Engine Oil Indicator Command | Off | This parameter sends a signal through the serial communication to inform the driver to change the engine oil. It is based on a calibrated amount of time. |
| Charge Air Cooler Coolant Pump Relay Command | Off | This parameter displays the commanded state of the intercooler pump relay command. |
| Charge Air Cooler Coolant Pump Relay Control Circuit High Voltage Test Status | OK/Okay, Malfunction | This parameter displays the state of the charge air cooler coolant pump control circuit. The parameter displays Malfunction if the charge air cooler coolant pump control circuit is shorted to voltage. |
| Charge Air Cooler Coolant Pump Relay Control Circuit Low Voltage Test Status | OK/Okay, Malfunction | This parameter displays the state of the charge air cooler coolant pump control circuit. The parameter displays Malfunction if the charge air cooler coolant pump control circuit is shorted to ground. |
| Charge Air Cooler Coolant Pump Relay Control Circuit Open Test Status | OK/Okay, Malfunction | This parameter displays the state of the charge air cooler coolant pump control circuit. The parameter displays Malfunction if the charge air cooler coolant pump control circuit is open. |
| Clutch Pedal Starter Inhibit Switch (If Equipped) | On | This parameter displays ON when the clutch pedal is released. |
| Clutch Pedal Switch (If Equipped) | Released | This parameter displays the state of the clutch pedal as determined by the control module from the clutch pedal switch. |
| Cold Startup | No | This parameter displays whether the engine meets the conditions for a cold startup during the present ignition cycle. The scan tool displays Yes when the conditions for a cold startup are met during the ignition cycle. The scan tool displays No when the conditions for a cold startup are not met during the present ignition cycle. Conditions for a cold startup require the coolant temperature and the intake air temperature to be below a predetermined temperature and within a certain range of each other. These conditions must occur after the engine was warmed up to a specific temperature during the previous ignition cycle. |
| Component Monitor Complete | Yes/No | This parameter displays Yes when the Component Monitor is Complete. The engine control module looks at many input and output components to make this determination. If a malfunction is detected the scan tool will display No. |
| Component Monitor Enabled | Yes/No | This parameter displays Yes when Component Monitor is Enabled. And No when it is not Enabled. |
| Component Monitor - This Ignition Cycle | Disabled, Enabled, Complete | This parameter displays the status of the Component Monitor during this ignition cycle. Can display Disabled, Enabled, or Complete. |
| Cooling Fan Command | % | This parameter displays the amount of fan power commanded as a percentage of the total fan power available. |
| Cooling Fan Motor Command | % | This parameter displays the commanded duty cycle for the cooling fan. |
| Cooling Fan Control Circuit High Voltage Test Status | OK/Okay, Malfunction, Not Run | This parameter displays the status of the Cooling Fan Control Circuit High Voltage Test. Can display OK/Okay, Malfunction, or Not Run. |
| Cooling Fan Control Circuit Low Voltage Test Status | OK/Okay, Malfunction, Not Run | This parameter displays the status of the Cooling Fan Control Circuit Low Voltage Test. Can display OK/Okay, Malfunction, or Not Run. |
| Cooling Fan Control Circuit Open Test Status | OK/Okay, Malfunction, Not Run | This parameter displays the status of the Cooling Fan Control Circuit Open Circuit Test. Can display OK/Okay, Malfunction, or Not Run. |
| Cooling Fan Relay 1 Command | On | This parameter displays the commanded state of the fan relay 1 control circuit. The cooling fan relay 1 should be ON when the scan tool indicates the FC Relay 1 Command is ON. The cooling fan relay 1 should be OFF when the scan tool indicates the FC Relay 1` Command is OFF. |
| Cooling Fan Relays 2 and 3 Command | On | This parameter displays the commanded state of the fan relay 2 output. |
| Cooling Fan Relay 1 Control Circuit Open Test Status | OK/Okay, Malfunction | This parameter displays the state of the cooling fan relay control circuit. The parameter displays Malfunction if the cooling fan relay control circuit is open. |
| Cooling Fan Relay 1, or 2 and 3 Control Circuit High Voltage Test Status | OK/Okay, Malfunction | This parameter displays the state of the cooling fan relay control circuit. The parameter displays Malfunction if the cooling fan relay control circuit is shorted to voltage. |
| Cooling Fan Relay 1, or 2 and 3 Control Circuit Low Voltage Test Status | OK/Okay, Malfunction | This parameter displays the state of the cooling fan relay control circuit. The parameter displays Malfunction if the cooling fan relay control circuit is shorted to ground. |
| Cooling Fan Solenoid Valve Command | % | This parameter displays the commanded duty cycle for the PWM fan system. |
| Cooling Fan Speed | Varies | This parameter displays the current state of the cooling fan speed. (For example OFF, Low, Medium, or High) rather than rotational speed. |
| CPP Learn Status | Learned | This parameter displays the status of the procedure used to learn the clutch pedal fully applied position. |
| CPP Learned Apply Position | Volts | This parameter displays the position learned for the clutch pedal position sensor when the clutch pedal is fully applied during the associated learn procedure. |
| CPP Learned Release Position | Volts | This parameter displays the position learned for the clutch pedal position sensor when the clutch pedal is released. |
| CPP Sensor | Volts | This parameter displays the clutch pedal position sensor analog input as a voltage. |
| CPP Sensor | % | This parameter displays the displacement of the clutch pedal (corrected and normalized based upon its learned released and fully applied positions), where 0% corresponds to the clutch pedal being released and 100% corresponds to the clutch pedal being fully applied. |
| Crank Request Signal | No/Yes | This parameter displays whether the ignition switch has been cycled to the crank position requesting the control module to activate the starter relay. |
| Crankshaft Position Active Counter | Counts | This parameter displays an incrementing counter when the control module receives a signal from the crankshaft position sensor (CKP). |
| Crankshaft Position Learned Apply Position | Volts | This parameter displays the position learned for the clutch pedal position (CPP) sensor when the clutch pedal is fully applied during the associated learn procedure. |
| Crankshaft Position Learned Release Position | Volts | This parameter displays the position learned for the clutch pedal position sensor when the clutch pedal is released. |
| Crankshaft Position Resync Counter | Counts | This parameter displays the number of times the control module has to resynchronize with the CKP sensor. The parameter will begin to increment if the control module does not detect a CKP reference pulse. The parameter will reset to 0 after the ignition is switched OFF. |
| Crankshaft Position Sensor | RPM | This parameter displays engine speed. |
| Crankshaft Position Signal Output Circuit High Voltage Test Status | OK/Okay, Malfunction | This parameter displays the state of the crankshaft position signal output circuit. The parameter displays Malfunction if the crankshaft position signal output circuit is shorted to voltage. |
| Crankshaft Position Signal Output Circuit Low Voltage Test Status | OK/Okay, Malfunction | This parameter displays the state of the crankshaft position signal output circuit. The parameter displays Malfunction if the crankshaft position signal output circuit is shorted to ground. |
| Crankshaft Position Signal Output Circuit Open Test Status | OK/Okay, Malfunction | This parameter displays the state of the crankshaft position signal output circuit. The parameter displays Malfunction if the crankshaft position signal output circuit is open. |
| Crankshaft Position Variation Learn | Not Learned | This parameter displays if the crank angle learned this key cycle. |
| Crankshaft Position Variation Learn Attempts | Counts | This parameter displays the number of attempts to learn the crank angle sensing error (CASE) during current key cycle. |
| Crankshaft Position Variation Learn Crank Pulse to Cylinder Count | Counts | This parameter displays the number of attempts to learn the crank angle sensing error (CASE) during the current key cycle. |
| Crankshaft Position Variation Learn Crank Pulse to Cylinder Count | Agree | This parameters displays the number of crank pulses observed over an engine cycle did not equal the number of cylinders for the engine at some point during the CASE learn cycle. |
| Crankshaft Position Variation Learn Cylinder Compensation Factors | In Range/Out Of Range | This parameter indicates if one or more compensation factors calculated for individual cylinders is out of range. |
| Crankshaft Position Variation Learn Data Collected | Sufficient/Insufficient | This parameter indicates if the CASE learn algorighm has collected sufficient data. |
| Crankshaft Position Variation Learn Opposing Cylinder Compensation Factors | In Range/Out Of Range | This parameter indicates if the difference in the compensation factors calculated for one or more pairs of opposing cylinders is out of range. |
| Crankshaft Position Variation Learn Reluctor Ring Tooth Spacing Factors | In Range/Out Of Range | This parameter indicates if one or more of the compensation factors calculated for the individual tooth spacing is out of range. |
| Crankshaft Position Variation Learn Required Engine Speed | In Range | This parameter displays that the engine speed required to complete the CASE learn process has not been achieved. |
| Crankshaft Position Variation Learn Status | Complete | This parameter displays the status of the crank angle sensing error (CASE) learn algorithm. |
| Crankshaft Position Variation Learn Sum of Cylinder Compensation Factors | In Range/Out Of Range | This parameter indicates if the sum of the compensation factors calculated for the individual cylinders is too large. |
| Cruise Control | Active | This parameter displays the status of the cruise control system as determined by the control module. |
| Cruise Control Acceleration Switch | Active, Inactive, Invalid | This parameter Indicates the state of the cruise control speed ACCEL switch. This signal is based upon the state of the cruise control speed ACCEL switch received over serial communication from the platform electronics. |
| Cruise Control Cancel Switch | Inactive | This parameter displays the status of the cruise control cancel switch. |
| Cruise Control Switch 2 | N/A | This parameter indicates the state of the secondary Cruise Control Switch. |
| Cruise Control Disengage 1-8 History | Reason for Cruise Disengagement | The parameter displays the last 8 cruise control disengages in order from 1 to 8, with 8 being the most recent. There are approximately 30 possible causes for the cruise control to disengage. |
| Cruise Control Inhibit Reason | Off | The parameter displays the reason the cruise control system cannot engage. |
| Park/Neutral | ||
| Cruise Control ON/OFF Switch | On | The engine control module (ECM) monitors the signal circuit of the cruise control switch. A closed switch is displayed as ON. |
| Cruise Control Resume/Accelerator Switch | On | The scan tool displays ON, when the cruise ON/OFF switch is ON and the resume/accel (+) button is pressed, the ECM detects a predetermined voltage value for the resume/accel. switch. |
| Cruise Control Set/Coast Switch | On | The scan tool displays ON, when the cruise ON/OFF switch is ON and the ECM detects a predetermined voltage value for the set/coast (-) switch. |
| Cruise Control Switch | Inactive | The engine control module (ECM) monitors the signal circuit of the cruise control switch. A closed switch is displayed as Active. |
| Current Fuel Type | Varies | This parameter displays the current fuel type such as Not available, Gasoline/petrol, Methanol, Ethanol, Diesel, Liquefied Petroleum Gas, Compressed Natural Gas, Propane, Battery/electric, Bi-fuel, or Hybrid. |
| Current Gear | P/N | This parameter displays the transmission gear commanded by the transmission control module. |
| Reverse/1st-5th | ||
| Current Gear When Engine Overspeed Detected | Varies | This parameter displays the transmission actual gear observed upon initial detection of an overspeed condition. |
| Cycles of Misfire Data | counts | This parameter displays the number of cylinder firing events recorded by the control module. |
| Cylinder Deactivation Disable History 1-8 | - | This parameter displays one of the last eight reasons for the reactivation of all engine cylinders. |
| Cylinder Deactivation Inhibit | Yes/No | A/C Compressor Clutch On, Acceleration Request, APP High, APP Rate High, Axle Torque Limiting, Brake Booster Pressure Sensor DTC, Brake Booster Weak Vacuum, Calculated Torque, Camshaft Position Actuator DTC, Camshaft Position Sensor DTC, Catalyst Overtemperature Protection, Catalyst Temperature Low, Crankshaft Position Sensor DTC, Cylinder Deactivation Solenoid Valve DTC, Cylinder Deactivation System DTC, Deceleration Fuel Cut-Off, ECT, ECT Sensor DTC, Engine Controls Ignition Relay DTC, Engine Oil Pressure, Engine Oil Pressure Control Solenoid Valve Stuck Off, Engine Oil Pressure Control Test Active, Engine Oil Pressure Sensor DTC, Engine Oil Temperature, Engine Overtemperature Protection, Engine Speed, Engine Stall Prevention, Exiting Deceleration Fuel Cut-Off, Fuel Trim Cylinder Balance DTC, Heater Performance, HO2S 2 Test, Hot Coolant Mode, IAT Sensor DTC, Ignition Voltage, Injector Stable Time, Insufficient Torque Capacity, Intake Manifold Weak Vacuum, MAP Sensor DTC, Maximum Deactivation Time Exceeded, Maximum Throttle Exceeded, Minimum Time After TAC DTC, Minimum Time On All Cylinders, Misfire DTC, Oil Aeration, Panic Brake Assist Active, Piston Protection, RPM Limit, Scan Tool Override, TAC System DTC, Torque Reduction, Transmission Gear, Transmission Range, Transmission Shifting, Vehicle Speed Too Low, VSS DTC |
| Cylinder Deactivation Performance Test | OK/Okay, Malfunction | This parameter indicates if one or more cylinders failed to deactivate when commanded. |
| Cylinder Deactivation System Command | All Cylinder/Cylinder Deactivation | This parameter indicates the status of the Cylinder Deactivation System Command. |
| Cylinder 1, 2, 3, 4, 5, 6, 7, 8 Current Misfire Counter | Counts | The scan tool displays a range of 0 - 255 counts. This parameter displays the number of misfires that have been detected during the last 255 cylinder firing events. The counters may normally display some activity, but the activity should be nearly equal for all of the cylinders, and in low numbers. |
| Cylinder 1 - 4 Exhaust Camshaft Profile Sleeve Position | Fixed Lift/Low Lift/High Lift/Cylinder Deactivation/Undetermined | The scan tool displays the position of the Exhaust Camshaft Profile Sleeve as commanded by the control module. |
| Cylinder 1, 2, 3, 4, 5, 6, 7, or 8 History Misfire Counter | Counts | The scan tool displays a range of 0 - 65, 535 counts. The misfire history counters display the total level of misfire that has been detected on each cylinder. The misfire history counters will not update or show any activity until a misfire DTC P0300 has become active. The misfire history counters will update every 255 cylinder firing events. |
| Cylinder 1, 2, 3, 4, 5, 6, 7 or 8 Injector Control Circuit High Voltage Test Status | OK/Okay, Malfunction | This parameter displays the state of the injector control circuit. The parameter displays Malfunction if the injector control circuit is shorted to voltage. |
| Cylinder 1, 2, 3, 4, 5, 6, 7 or 8 Injector Control Circuit Low Voltage Test Status | OK/Okay, Malfunction | This parameter displays the state of the injector control circuit. The parameter displays Malfunction if the injector control circuit is shorted to ground. |
| Cylinder 1, 2, 3, 4, 5, 6, 7 or 8 Injector Control Circuit Open Test Status | OK/Okay, Malfunction | This parameter displays the state of the injector control circuit. The parameter displays Malfunction if the injector control circuit is open. |
| Cylinder 1, 2, 3, 4, 5, 6, 7 or 8 Injector Flow Identifier | OK/Okay | This parameter displays the End of Line Injector Adjustment (EIA) for the fuel injector. This value shall be used by the ECM for adjustment to actual fuel injected quantity compared to nominal for the injector. |
| Cylinder 1-6 Injector Control Circuit Status | OK/Okay | This parameter displays the state of the fuel injector control circuit. |
| Cylinder 1-6 Injector Disabled Misfire Detected | No | This parameter displays the injector that has been disabled by the misfire catalyst converter protection calibration. |
| Cylinder 1 - 4 Intake Camshaft Profile Sleeve Position | Fixed Lift/Low Lift/High Lift/Cylinder Deactivation/Undetermined | The scan tool displays the position of the IntakeCamshaft Profile Sleeve as commanded by the control module. |
| Cylinder 1 - 6 Knock Detected | No | This parameter displays yes if a knock has been detected in an individual cylinder. |
| DC/DC Converter Ignition 1 Signal | On/Off | This parameter indicates if the DC/DC Converter Ignition 1 Signal is On or Off. |
| DC/DC Converter Output Voltage 1 Variance - Engine Cranking | Volts | This parameter indicates the DC/DC Converter Output Voltage 1 Variance with the engine cranking. |
| DC/DC Converter Output Voltage 1 Variance - Engine Running/Off | Volts | This parameter indicates the DC/DC Converter Output Voltage 1 Variance with the engine running or Off. |
| DC/DC Converter Output Voltage 2 Variance - Engine Cranking | Volts | This parameter indicates the DC/DC Converter Output Voltage 2 Variance with the engine cranking. |
| DC/DC Converter Output Voltage 2 Variance - Engine Running/Off | Volts | This parameter indicates the DC/DC Converter Output Voltage 2 Variance with the engine running or Off. |
| DC/DC Converter Output Voltage Sensor Circuit 1 | Volts | This parameter measures voltage at the DC/DC Converter Output Voltage Sensor Circuit 1. |
| DC/DC Converter Output Voltage Sensor Circuit 2 | Volts | This parameter measures voltage at the DC/DC Converter Output Voltage Sensor Circuit 2. |
| Deceleration Fuel Cut-Off | Inactive | This parameter displays the status of the operating mode of the control module used to turn OFF the fuel injectors and the EVAP canister purge valve during certain deceleration conditions. |
| Desired Active Grille Air Shutter Position | % | This parameter displays the commanded position for the active grille air shutter. 0%=fully closed, 100%=fully open. |
| Desired Boost Pressure | kPa | This parameter displays the desired turbocharger boost pressure. |
| Desired Cooling Fan Speed | RPM | This parameter displays the desired fan speed. |
| Desired ECT | °C (°F) | This parameter displays the desired engine coolant temperature in degrees. |
| Desired Exhaust Camshaft Position or Desired Exhaust Camshaft Position Bank 1 or 2 |
Degrees | This parameter displays the desired exhaust camshaft angle as commanded by the control module. |
| Desired Fuel Pressure | kPa (psi) | This parameter displays the desired fuel supply pressure. |
| Desired Fuel Rail Pressure | MPa (psi) | This parameter displays the desired Fuel Rail Pressure commanded by the control module. |
| Desired Idle Speed | RPM | This parameter displays the desired engine idle speed as commanded by the control module. The desired idle speed varies depending on engine load. |
| Desired Intake Camshaft Position or Desired Intake Camshaft Position Bank 1 or 2 |
Degrees | This parameter displays the desired intake camshaft angle as commanded by the control module. |
| Desired Throttle Position | % | Commanded Throttle Actuator Control. |
| Distance Since DTC Cleared | km/mi | This parameter displays in kilometers or miles the distance traveled since a DTC was cleared. |
| Distance Since First Malfunction | km/mi | This parameter displays in kilometers or miles the distance traveled since a Malfunction occurred. |
| Distance Since Last Malfunction | km/mi | This parameter displays the distance accumulated since last malfunction was captured. This parameter is only meaningful within the context of a failure record or freeze frame. |
| Distance Since Last Oil Level Warning | km/mi | This parameter displays in kilometers or miles the distance traveled since the last oil level warning Malfunction occurred. |
| Distance Since Last Oil Pressure Warning | km/mi | This parameter displays in kilometers or miles the distance traveled since the last oil pressure warning Malfunction occurred. |
| Distance Since Recommended Maximum Fuel Alcohol Content Exceeded | km/mi | This parameter displays in kilometers or miles the distance Since Recommended Maximum Fuel Alcohol Content Exceeded. |
| Distance This Driving Cycle | km/mi | This parameter displays the distance a vehicle has traveled in the current driving cycle. |
| Distance with MIL On | km/mi | This parameter displays the accumulated distance driven with the malfunction indicator lamp (MIL) on. |
| Drag Control Status | Active/Inactive | EDC Active (Drag Active) control mode is indicated when the requested torque signal is above the driver requested value while the traction control system signal input is active. |
| Driver Requested Axle Torque | N.m | This parameter displays a (desired) output value after comparing engine load as an input to the hybrid control processor and engine control module. |
| Drop-Throttle Detected while Traction Control Active | No | This parameter displays if the Drop Throttle Control Mode is active while the Traction Control System Data Control Signal input is active. |
| Drop-Throttle Status | Inactive | This parameter displays the Drop Throttle Control Mode is active when the Requested Torque Signal indicates greater than 90 percent duty cycle while the Traction Control System Data Control Signal input is active. |
| ECM Authentication Status | Valid | ECM Authentication Status indicates the result of the comparison between the last received immobilizer response and the expected response calculated into the ECM. |
| ECM Challenge Status | Valid | This parameter displays the immobilizer system status of the ECM challenge. This indicates whether the currently calculated ECM challenge is valid. |
| ECM in Immobilizer Fail Enable Mode | Yes/No | This parameter displays that a serial communication failure has been detected after the receipt of the correct VTD password. |
| ECM Odometer | km/mi | This parameter displays the odometer reading of the vehicle. |
| ECM Response Source | Ignition Switch Start | ECM Response Source indicates the source used to calculate the ECM response. |
| Economy Mode Indicator Command | Off | This parameter indicates the status of the serial data signal used to illuminate the economy mode indicator lamp. |
| ECT Sensor | °C (°F) | This parameter displays the temperature of the engine coolant based on input to the control module from the engine coolant temperature (ECT) sensor. |
| ECT vs. IAT Sensor Temperature at Last ECT vs. RCT Malfunction Detection | Agree | This parameter displays that the temperature values of the ECT and IAT sensors did not agree at the time of the most recent failure of the ECT/RCT rationality diagnostic. |
| EGR/Camshaft Position Monitor Complete | Yes/No | This parameter displays the status of the EGR/Camshaft Position Monitor. The parameter will display Yes when the EGR/Camshaft Position Monitor is complete. |
| EGR/Camshaft Position Monitor Complete This Ignition Cycle | Yes/No | This parameter displays Yes or No of the completion status during the current driving/monitoring cycle of emission related monitors. |
| EGR/Camshaft Position Monitor Enabled | Yes/No | This parameter displays the status of the EGR/Camshaft Position Monitor. The parameter will display Yes when the EGR/Camshaft Position Monitor is Enabled. |
| EGR/Camshaft Position Monitor Enabled This Ignition Cycle | Yes/No | This parameter displays Yes or No of the completion status during the current driving/monitoring cycle of emission related monitors. |
| Electric Power Management Inhibit Reason | None | This parameter displays the reason for the source of the Regulated Voltage Control (RVC) override command. RVC lowers system operating voltage to reduce system electrical load and improve fuel economy performance. The following is a list of possible reasons:
|
| End Model Part Number | # | This parameter identifies the part number that represents the combination of hardware, software, and calibrations present in the ECU. |
| Engine Autostopped | No | This parameter displays the status of the internal combustion engine (ICE) in vehicles incorporating ICE autostart/stop functionality. |
| Engine Calibration Part Number History 1-10 | # | This parameter displays the engine calibration part number history. |
| Engine Calibration Part Number History 1-10 Counter | # | This parameter displays the number of times the engine controller had been calibrated. |
| Engine Controls Ignition Relay Command | Off | This parameter displays the state of the control circuit for control module power relay as commanded by the control module. |
| Engine Controls Ignition Relay Control Circuit High Voltage Test Status | OK/Okay, Malfunction | This parameter displays the state of the Engine Controls Ignition Relay control circuit. The parameter displays Malfunction if the Engine Controls Ignition Relay control circuit is shorted to voltage. |
| Engine Controls Ignition Relay Controls Circuit Low Voltage Test Status | OK/Okay, Malfunction | This parameter displays the state of the Engine Controls Ignition Relay control circuit. The parameter displays Malfunction if the Engine Controls Ignition Relay control circuit is shorted to ground. |
| Engine Controls Ignition Relay Controls Circuit Open Test Status | OK/Okay, Malfunction | This parameter displays the state of the Engine Controls Ignition Relay control circuit. The parameter displays Malfunction if the Engine Controls Ignition Relay control circuit is open. |
| Engine Controls Ignition Relay Feedback 2 Signal | Volts | This parameter indicates the signal voltage from the second input to the controller from the powertrain relay. |
| Engine Controls Ignition Relay Feedback 3 Signal | Volts | This parameter indicates the signal voltage from the third input to the controller from the powertrain relay. |
| Engine Controls Ignition Relay Feedback Signal | Volts | This parameter displays the voltage available at the engine controls ignition relay terminal of the engine control module. |
| Engine Coolant Pump Clutch Relay Command | Flow/No Flow | This parameter displays the commanded state of the engine coolant pump clutch. |
| Engine Coolant Thermostat Heater Command | % | This parameter displays the commanded duty cycle for the engine coolant thermostat. |
| Engine Coolant Thermostat Heater Control Circuit High Voltage Test Status | OK/Okay, Malfunction | This parameter displays the state of the engine coolant thermostat heater control circuit. The parameter displays Malfunction if the engine coolant thermostat heater control circuit is shorted to voltage. |
| Engine Coolant Thermostat Heater Control Circuit Low Voltage Test Status | OK/Okay, Malfunction | This parameter displays the state of the engine coolant thermostat heater control circuit. The parameter displays Malfunction if the engine coolant thermostat heater control circuit is shorted to ground. |
| Engine Coolant Thermostat Heater Control Circuit Open Test Status | OK/Okay, Malfunction | This parameter displays the state of the engine coolant thermostat heater control circuit. The parameter displays Malfunction if the engine coolant thermostat heater control circuit is open. |
| Engine Crank Command | Yes/No | This parameter indicates if the engine is being commanded to crank or not. |
| Engine Crank Time | Seconds - Varies | This parameter indicates the time between the start of engine cranking to when the engine reaches an operating RPM. |
| Engine Load | % | This parameter displays the calculated engine load in percent based on inputs to the control module from various engine sensors. |
| Engine Load During Misfire History 1-10 | % | This parameter displays the engine load during the last misfire event. |
| Engine Off | No | This parameter displays the status of the internal combustion engine (ICE) in vehicles incorporating ICE autostop/autostart functionality. |
| Engine OFF Time | Seconds - Varies | This parameter displays the amount of time that has elapsed since the engine was last cycled OFF. |
| Engine Oil Absolute Pressure Sensor | kPa/psi | This parameter displays the undefaulted, unfiltered measured engine oil pressure read by an oil absolute pressure sensor. |
| Engine Oil Level Switch | OK/Okay, Low | This parameter displays the status of the engine oil level switch as determined by the control module. The control module uses this information to turn on the low engine oil lamp if the engine oil level remains approximately 1 quart low for a sufficient amount of time. The scan tool will display Low when the engine oil level is low. The scan tool will display OK/Okay when the engine oil level is correct. |
| Engine Oil Life Remaining | % | This parameter displays the percent of engine oil life remaining. The controller calculates the engine oil life by monitoring engine load, coolant temperature, and engine speed. |
| Engine Oil Pressure | kPa/psi | This parameter displays the actual engine oil pressure measured by a sensor. |
| Engine Oil Pressure Control Disable History 1 or 2 | - | This parameter indicates one of the last two reasons that powertrain has disengaged oil control. |
| Engine Oil Pressure Control Solenoid Valve Command | High Pressure/Low Pressure | This parameter displays the commanded state of the variable displacement oil pump output. |
| Engine Oil Pressure Control Solenoid Valve Control Circuit High Voltage Test Status | OK/Okay, Malfunction | This parameter displays the state of the engine oil pressure control solenoid valve control circuit. The parameter displays Malfunction if the engine oil pressure control solenoid valve control circuit is shorted to voltage. |
| Engine Oil Pressure Control Solenoid Valve Control Circuit Low Voltage Test Status | OK/Okay, Malfunction | This parameter displays the state of the engine oil pressure control solenoid valve control circuit. The parameter displays Malfunction if the engine oil pressure control solenoid valve control circuit is shorted to ground. |
| Engine Oil Pressure Control Solenoid Valve Control Circuit Open Test Status | OK/Okay, Malfunction | This parameter displays the state of the engine oil pressure control solenoid valve control circuit. The parameter displays Malfunction if the engine oil pressure control solenoid valve control circuit is open. |
| Engine Oil Pressure Control Test Counter | Counts | This parameter displays the number of times that the Engine Oil Pressure Control test has been activated during the current key cycle. |
| Engine Oil Pressure Control Test Inhibit History 1 or 2 | - | This parameter indicates one of the last two reasons that powertrain has inhibited oil pressure intrusive diagnostic test. |
| Engine Oil Pressure Sensor | OK/Okay | This parameter displays the engine oil pressure as determined by engine oil pressure sensor. |
| Engine Oil Pressure Switch | OK/Okay, Low | This parameter displays the status of the engine oil pressure sensor. |
| Engine Oil Temperature Sensor | C° (°F) | This parameter displays engine oil temperature as measured by a sensor connected to the ECM. |
| Engine Oil Temperature When Engine Overspeed Detected | Temperature | This parameter displays the temperature of the engine oil as determined by the control module. |
| Engine Oil Type | Conventional/Synthetic | This parameter indicates whether the engine oil type is conventional or synthetic oil. |
| Engine Overspeed | Not Present | This parameter displays if an Engine Overspeed is Present or Not Present. |
| Engine Overspeed Counter | Counts | This parameter displays the accumulated number of engine overspeed detection events. |
| Engine Run Time | 0:00:00 Increments when the engine is operating |
This parameter displays the time elapsed since the engine was started. |
| Engine Running | No | This parameter displays the status of the internal combustion engine (ICE) in vehicles incorporating ICE autostop/autostart functionality. |
| Engine Serial Number | # | This parameter displays the engine serial number. |
| Engine Shutdown Counter - Excessive Idle Time | Counts | This parameter displays the count of engine shutdowns due to excessive idle time. |
| Engine Shutdown Counter - High Coolant Temperature | Counts | This parameter displays the count of engine shutdowns due to high coolant temperature. |
| Engine Shutdown Counter - Low Coolant Level | Counts | This parameter displays the count of engine shutdowns due to low coolant level. |
| Engine Shutdown Counter - Low Oil Level | Counts | This parameter displays the count of engine shutdowns due to low oil level. |
| Engine Speed | RPM | This parameter displays the speed of the engine crankshaft rotation from information received from the crankshaft position (CKP) sensor. If there is a CKP sensor DTC, the ECM calculates the engine speed from one of the camshaft position (CMP) sensors. |
| Engine Speed During Misfire History 1 - 5 | RPM | This parameter displays the last 5 engine speeds during misfire events. |
| Engine Speed When Engine Overspeed Detected | RPM | This parameter displays the engine speed observed upon initial detection of an overspeed condition. This value will be updated after each overspeed condition. |
| Engine Stalled | No | This parameter displays that the internal combustion engine has stopped running unintentionally. |
| Engine Starting | No | This parameter displays that the internal combustion engine is being started (in transition from engine OFF to engine running). |
| Engine Stopping | No | Engine Stopping indicates that the internal combustion engine is stopping (in transition from engine running to engine off, OR in transition from engine running to engine failed). |
| Engine Torque | % | This parameter indicates the current indicated torque as a percent of engine reference torque. |
| Engine Torque Command | N.m | This parameter displays the commanded predicted engine torque value, which is the torque request for the slow response air path (control of the throttle). |
| EVAP Malfunction History | None | This parameter displays the result of the evaporative emission (EVAP) system as determined by the control module. The scan tool will display the following:
|
| EVAP Monitor Complete | Yes/No | This parameter displays if the most recent evaporative emissions diagnostic test is complete. |
| EVAP Monitor Complete This Ignition Cycle | Yes/No | This parameter displays the diagnostic monitor completion status during the current driving/monitoring cycle. |
| EVAP Monitor Enabled | Yes/No | This parameter displays if the evaporative emissions diagnostic test is enabled. |
| EVAP Monitor Enabled This Ignition Cycle | Yes/No | This parameter displays the diagnostic monitor enable status during the current driving/monitoring cycle. |
| EVAP Purge Solenoid Valve Command | % | This parameter displays the commanded duty cycle for the canister purge output. |
| EVAP Purge Solenoid Valve Control Circuit High Voltage Test Status | OK/Okay, Malfunction | This parameter displays the state of the evaporative emission (EVAP) purge solenoid control circuit. The parameter displays Malfunction if the EVAP purge solenoid control circuit is shorted to voltage. |
| EVAP Purge Solenoid Valve Control Circuit Low Voltage Test Status | OK/Okay, Malfunction | This parameter displays the state of the evaporative emission (EVAP) purge solenoid control circuit. The parameter displays Malfunction if the EVAP purge solenoid control circuit is shorted to ground. |
| EVAP Purge Solenoid Valve Control Circuit Open Test Status | OK/Okay, Malfunction | This parameter displays the state of the evaporative emission (EVAP) purge solenoid control circuit. The parameter displays Malfunction if the EVAP purge solenoid control circuit is open. |
| EVAP System Fuel Tank Pressure Sensor to Fuel Tank Restriction Detected | Yes/No | This parameter indicates if the Fuel Tank Pressure Sensor detects a blockage in the fuel system. |
| EVAP Vent Solenoid Command | Not Venting | This parameter displays the state of the control circuit for evaporative emission (EVAP) vent solenoid as commanded by the control module. |
| EVAP Vent Solenoid Valve Control Circuit High Voltage Test Status | OK/Okay, Malfunction | This parameter displays the state of the EVAP vent solenoid control circuit. The parameter displays Malfunction if the EVAP vent solenoid control circuit is shorted to voltage. This parameter may not change if the scan tool is used to command the EVAP vent solenoid ON. |
| EVAP Vent Solenoid Valve Control Circuit Low Voltage Test Status | OK/Okay, Malfunction | This parameter displays the state of the EVAP vent solenoid control circuit. The parameter displays Malfunction if the EVAP vent solenoid control circuit is shorted to ground. This parameter may not change if the scan tool is used to command the EVAP vent solenoid ON. |
| EVAP Vent Solenoid Valve Control Circuit Open Test Status | OK/Okay, Malfunction | This parameter displays the state of the EVAP vent solenoid control circuit. The parameter displays Malfunction if the EVAP vent solenoid control circuit is open. This parameter may not change if the scan tool is used to command the EVAP vent solenoid ON. |
| Exhaust Camshaft Position | ° | This parameter displays the position of the exhaust camshaft in terms of degrees of camshaft rotation (retard) from the park position (a value of zero represents the park position). |
| Exhaust Camshaft Position Active Counter or Exhaust Camshaft Position Active Counter Bank 1 or 2 |
0 - 255 | This parameter displays an incrementing counter when the control module receives a signal from the exhaust camshaft position (CMP) sensor. |
| Exhaust Camshaft Position Actuator Solenoid Valve Control Circuit High Voltage Test Status or Exhaust Camshaft Position Actuator Solenoid Valve Control Circuit High Voltage Test Status Bank 1 or 2 |
OK/Okay, Malfunction | This parameter displays the state of the exhaust camshaft actuator solenoid control circuit. The parameter displays Malfunction if the camshaft actuator solenoid control circuit is shorted to voltage. |
| Exhaust Camshaft Position Actuator Solenoid Valve Control Circuit Low Voltage Test Status or Exhaust Camshaft Position Actuator Solenoid Valve Control Circuit Low Voltage Test Status Bank 1 or 2 |
OK/Okay, Malfunction | This parameter displays the state of the exhaust camshaft actuator solenoid control circuit. The parameter displays Malfunction if the camshaft actuator solenoid control circuit is shorted to ground. |
| Exhaust Camshaft Position Actuator Solenoid Valve Control Circuit Open Test Status or Exhaust Camshaft Position Actuator Solenoid Valve Control Circuit Open Test Status Bank 1 or 2 |
OK/Okay, Malfunction | This parameter displays the state of the exhaust camshaft actuator solenoid control circuit. The parameter displays Malfunction if the camshaft actuator solenoid control circuit is open. |
| Exhaust Camshaft Position or Exhaust Camshaft Position Bank 1 or 2 |
Degrees | This parameter displays the actual exhaust camshaft position in degrees. |
| Exhaust Camshaft Position Command or Exhaust Camshaft Position Command Bank 1 or 2 |
% | This parameter displays the on-time or duty cycle of the exhaust camshaft position (CMP) actuator solenoid valve as commanded by the control module. |
| Exhaust Camshaft Position Variance or Exhaust Camshaft Position Variance Bank 1 or 2 |
Degrees | This parameter displays in degrees, the difference between the desired exhaust camshaft position and the actual exhaust camshaft position. |
| Exhaust Camshaft Profile Actuator 1 - 4 Command | On/Off | This parameter displays the commanded state of the Exhaust Camshaft Profile Actuator output. |
| Exhaust Camshaft Profile Actuator 1 - 4 Control Circuit High Voltage Test Status | OK/Okay, Malfunction, Not Run | This parameter displays the state of the Exhaust Camshaft Profile Actuator control circuit per cylinder. The parameter displays Malfunction if the Exhaust Camshaft Profile Actuator control circuit is shorted to voltage. |
| Exhaust Camshaft Profile Actuator 1 - 4 Control Circuit Low Voltage Test Status | OK/Okay, Malfunction, Not Run | This parameter displays the state of the Exhaust Camshaft Profile Actuator control circuit per cylinder. The parameter displays Malfunction if the Exhaust Camshaft Profile Actuator control circuit is shorted to ground. |
| Exhaust Camshaft Profile Actuator 1 - 4 Control Circuit Open Test Status | Okay, Malfunction, Not Run | This parameter displays the state of the Exhaust Camshaft Profile Actuator control circuit per cylinder. The parameter displays Malfunction if the Exhaust Camshaft Profile Actuator control circuit is open. |
| Exhaust Camshaft Profile Actuator Position Sensor 1 - 4 | % | This parameter displays the commanded duty cycle for the Exhaust Camshaft Profile Actuator. |
| Exhaust Camshaft Profile Actuator Position Sensor 1 - 4 | mm | This parameter displays the commanded duty cycle for the Exhaust Camshaft Profile Actuator. |
| Exhaust Camshaft Profile Sleeve Position Sensor 1, 2 | Counts | This parameter displays the number of times that the Exhaust Camshaft Profile Sleeve test has been activated during the current key cycle. |
| Extended Travel Brake Pedal Position Signal | Released | This parameter displays the status of the Extended Travel Brake Pedal Position sensor. |
| Extended Travel Brake Pedal Switch | Released | This parameter displays the undebounced/undefaulted state of the extended travel brake switch input to the ECM |
| Filtered System Voltage | Volts | This parameter indicates the filtered voltage of the system. |
| Filtered System Voltage Prior to Engine Crank | Volts | This parameter displays the filtered system voltage just before an engine cranking event. |
| Freeze Frame DTC | # | This parameter displays the diagnostic trouble code (DTC) that caused the freeze frame to be stored. |
| Fuel Alcohol Content | % | This parameter displays the percentage of alcohol in the fuel. The value is calculated by the ECM using the fuel composition sensor input. |
| Fuel Alcohol Content When Recommended Maximum Fuel Alcohol Content Exceeded | % | This parameter displays a percentage of Fuel Alcohol Content When Recommended Maximum Fuel Alcohol Content Exceeded. |
| Fuel Composition Learn | Inactive | This parameter displays Active or Inactive. Active will be displayed if the ECM is learning the alcohol content of the fuel. |
| Fuel Composition Sensor | Hz | This parameter displays the frequency of the fuel composition sensor input. This value can be used to determine fuel composition or sensor malfunction. |
| Fuel Consumed Since Recommended Maximum Fuel Alcohol Content Exceeded | Liters | This parameter displays in Liters the Fuel Consumed Since Recommended Maximum Fuel Alcohol Content Exceeded. |
| Fuel Control Loop Status | Closed | Fuel Closed Loop Active indicates that oxygen sensor 1 of each bank is being used as feedback to adjust the amount of fuel delivered to the engine. |
| Fuel Economy | Liters per Hour | This parameter displays the instant fuel consumption rate of the engine in liters per hour. |
| Fuel Economy Mode | Inactive | This parameter indicates if the economy mode algorithm has activated economy mode. |
| Fuel Economy Mode Request | Off | This parameter indicates if the driver of the vehicle has requested economy mode by pressing the economy mode switch. |
| Fuel Economy Mode Switch | OK/Okay, Malfunction | This parameter displays the state of the fuel economy mode switch circuit. The parameter displays Malfunction if the fuel economy mode switch circuit is shorted to voltage. |
| Fuel Economy Mode Switch | OK/Okay, Malfunction | This parameter displays the state of the fuel economy mode switch circuit. The parameter displays Malfunction if the fuel economy mode switch circuit is shorted to ground. |
| Fuel Economy Mode Switch | OK/Okay, Malfunction | This parameter displays the state of the fuel economy mode switch circuit. The parameter displays Malfunction if the fuel economy mode switch circuit is open. |
| Fuel Economy Mode Switch | Volts | This parameter displays the economy mode switch reference voltage. |
| Fuel Enrichment-Hot Catalyst | Inactive | Fuel Enrichment Catalyst Protection Active indicates fuel is being added to cool the catalytic converter. |
| Fuel Enrichment-Hot Coolant | Inactive | Hot Coolant Enrichment Active indicates that the conditions to enable hot coolant enrichment are active and that a richer than stoichiometric air/fuel ratio is being commanded in order to help cool the engine when a system malfunction is causing the engine to run at extreme temperatures. |
| Fuel Injector Driver Supply Voltage | Volts | This parameter displays the injector driver circuit boost supply voltage. |
| Fuel Level Sensor | Volts | This parameter displays the unfiltered fuel level sensor analog input for the primary fuel tank as a percentage of its reference voltage. |
| Fuel Level Sensor Left Tank (If Equipped) | Volts | This parameter displays the voltage signal received by the control module from the secondary fuel level sensor in the left side of the fuel tank. |
| Fuel Level Sensor Reference Command | % | This parameter displays the percentage of time that the power supply for the fuel level sensor is on. This percentage is minimized when the fuel has high ethanol content and is maximized when the fuel has low ethanol content. |
| Fuel Level Sensor Right Tank (If Equipped) | Volts | This parameter displays the voltage signal received by the control module from the primary fuel level sensor in the right side of the fuel tank. |
| Fuel Maintenance Mode | Active/Inactive | This parameter displays if the Fuel Maintenance Mode is currently active. |
| Fuel Maintenance Mode Counter | Counts | This parameter displays the cumulative number of fuel maintenance mode events over the life of the controller. |
| Fuel Mode Active | Gaseous, Gasoline | This parameter displays if the fuel mode algorithm has activated the alternative fuel mode. |
| Fuel Mode Driver Request | Gaseous, Gasoline | This parameter displays if the driver of the vehicle has selected one of the two specific fuel modes (alternative fuel, or petrol fuel) |
| Fuel Mode Indication On | Gaseous, Gasoline | This parameter displays the status of the signal used to illuminate the fuel mode indicator lamp. |
| Fuel Mode Indicator Lamp Command | On/Off | This parameter displays the commanded state of the fuel mode indicator lamp. |
| Fuel Mode Indicator Lamp Control Circuit High Voltage Test Status | OK/Okay, Malfunction, Not Run | This parameter displays the state of the Fuel Mode Indicator Lamp control circuit. The parameter displays Malfunction if the Fuel Mode Indicator Lamp control circuit is shorted to voltage. |
| Fuel Mode Indicator Lamp Control Circuit Low Voltage Test Status | OK/Okay, Malfunction, Not Run | This parameter displays the state of the Fuel Mode Indicator Lamp control circuit. The parameter displays Malfunction if the Fuel Mode Indicator Lamp control circuit is shorted to ground. |
| Fuel Mode Indicator Lamp Control Circuit Open Test Status | OK/Okay, Malfunction, Not Run | This parameter displays the state of the Alternative Fuel Injector 1 control circuit. The parameter displays Malfunction if the Alternative Fuel Injector 1 control circuit is open. |
| Fuel Mode Switch | mV | This parameter displays the Fuel Mode Switch circuit in voltage. |
| Fuel Mode Switch Both States Latched | True, False | This parameter displays true once both the on and off switch states are observed and will remain latched for the current ignition cycle. |
| Fuel Mode Switch State | Fault Low, On, Indeterminate, Off, Fault High | This parameter displays the raw fuel mode switch state information. |
| Fuel Pressure Drop - Cylinder 1-8 Injector | - | This parameter contains the result of the Fuel Injector Flow Device Control (Direct and Gaseous Fuel Injected Engines). The fuel or alternative fuel rail pressure sensor value after the injection event is subtracted from the fuel rail or alternative fuel pressure sensor value before the injection event and reported as the pressure drop for the appropriate injector. |
| Fuel Pressure Regulator Control Circuit Command | On | This parameter displays the commanded state of the fuel pressure regulator 1 low side output (the output is considered to be commanded ON if the regulator is enabled while the engine is running or cranking). |
| Fuel Pressure Regulator Control Circuit Command | % | This parameter displays the commanded state of the fuel pressure regulator 1 low side output (the output is considered to be commanded ON if the regulator is enabled while the engine is running or cranking). |
| Fuel Pressure Regulator Control Circuit High Voltage Test | OK/Okay, Malfunction, Not Run | This parameter displays the status of the output driver for the fuel pressure regulator control circuit. The scan tool will display OK/Okay if the circuit is operating correctly or Not Run if a diagnosis has not been made. The scan tool will display Malfunction if there is an short to voltage in the circuit. |
| Fuel Pressure Regulator Control Circuit Low Voltage Test | OK/Okay, Malfunction, Not Run | This parameter displays the status of the output driver for the fuel pressure regulator control circuit. The scan tool will display OK/Okay if the circuit is operating correctly or Not Run if a diagnosis has not been made. The scan tool will display Malfunction if there is an short to ground in the circuit. |
| Fuel Pressure Regulator Control Circuit Open Test Status | OK/Okay, Malfunction, Not Run | This parameter displays the status of the output driver for the fuel pressure regulator control circuit. The scan tool will display OK/Okay if the circuit is operating correctly or Not Run if a diagnosis has not been made. The scan tool will display Malfunction if there is an open in the circuit. |
| Fuel Pressure Regulator High Control Circuit Command | On/Off | This parameter displays the commanded duty cycle for the fuel pressure regulator 1 solenoid output. |
| Fuel Pressure Regulator High Control Circuit High Voltage Test Status | OK/Okay, Malfunction, Not Run | This parameter displays the status of the output driver for the fuel pressure regulator high control circuit. The scan tool will display OK/Okay if the circuit is operating correctly or Not Run if a diagnosis has not been made. The scan tool will display Malfunction if there is an short to voltage in the circuit. |
| Fuel Pressure Regulator High Control Circuit Low Voltage Test Status | OK/Okay, Malfunction, Not Run | This parameter displays the status of the output driver for the fuel pressure regulator high control circuit. The scan tool will display OK/Okay if the circuit is operating correctly or Not Run if a diagnosis has not been made. The scan tool will display Malfunction if there is an short to ground in the circuit. |
| Fuel Pressure Regulator High Control Circuit Open Test Status | OK/Okay, Malfunction, Not Run | This parameter displays the status of the output driver for the fuel pressure regulator high control circuit. The scan tool will display OK/Okay if the circuit is operating correctly or Not Run if a diagnosis has not been made. The scan tool will display Malfunction if there is an open in the circuit. |
| Fuel Pressure Sensor | kPa/psi | For Port Fuel Injected (PFI) systems, this Parameter displays fuel rail pressure at the engine. For high pressure fuel systems, this Parameter indicates the low side fuel pressure before the high pressure pump. |
| Fuel Pressure Sensor | Volts | This parameter displays the fuel supply pressure sensor analog input as a percentage of its reference voltage. |
| Fuel Pump Enable Command | On | This parameter displays the commanded state of the fuel pump output (the output is considered to be commanded ON if its duty cycle is not zero). |
| Fuel Pump Enable Circuit High Voltage Test Status | OK/Okay, Malfunction, Not Run | This parameter displays the status of the output driver for the fuel pump control circuit. The scan tool will display OK/Okay if the circuit is operating correctly or Not Run if a diagnosis has not been made. The scan tool will display Malfunction if there is an short to voltage in the circuit. |
| Fuel Pump Enable Circuit Low Voltage Test Status | OK/Okay, Malfunction, Not Run | This parameter displays the status of the output driver for the fuel pump control circuit. The scan tool will display OK/Okay if the circuit is operating correctly or Not Run if a diagnosis has not been made. The scan tool will display Malfunction if there is an short to ground in the circuit. |
| Fuel Pump Phase U-V-W Circuits High Voltage Test Status | OK/Okay, Malfunction, Not Run | This parameter contains the Fuel Tank Zone Module's (FTZM) reported status short to power test |
| Fuel Pump Phase U-V-W Circuits Low Voltage Test Status | OK/Okay, Malfunction, Not Run | This parameter contains the Fuel Tank Zone Module's (FTZM) reported status of short to ground test |
| Fuel Pump Phase U-V-W Circuits Open Test Status | OK/Okay, Malfunction, Not Run | This parameter contains the Fuel Tank Zone Module's (FTZM) reported status of open circuit test |
| Fuel Pump Phase U-V-W Circuits Shorted Test Status | OK/Okay, Malfunction, Not Run | This parameter contains the Fuel Tank Zone Module's (FTZM) reported status of phase-to-phase short test |
| Fuel Pump Enable Circuit Open Test Status | OK/Okay, Malfunction, Not Run | This parameter displays the status of the output driver for the fuel pump control circuit. The scan tool will display OK/Okay if the circuit is operating correctly or Not Run if a diagnosis has not been made. The scan tool will display Malfunction if there is an open in the circuit. |
| Fuel Pump Relay Control Circuit High Voltage Test Status | OK/Okay, Malfunction | This parameter displays the state of the fuel pump relay control circuit. The parameter displays Malfunction if the fuel pump relay control circuit is shorted to voltage. |
| Fuel Pump Relay Control Circuit Low Voltage Test Status | OK/Okay, Malfunction | This parameter displays the state of the fuel pump relay control circuit. The parameter displays Malfunction if the fuel pump relay control circuit is shorted to ground. |
| Fuel Pump Relay Control Circuit Open Test Status | OK/Okay, Malfunction | This parameter displays the state of the fuel pump relay control circuit. The parameter displays Malfunction if the fuel pump relay control circuit is open. |
| Fuel Pump Speed Output Circuit High Voltage Test Status | OK/Okay, Malfunction, Not Run | This parameter displays the Fuel Pump Speed Output Circuit High Voltage Test Status. Can display OK/Okay, Malfunction, or Not Run. |
| Fuel Pump Speed Output Circuit Low Voltage Test Status | OK/Okay, Malfunction, Not Run | This parameter displays the Fuel Pump Speed Output Circuit Low Voltage Test Status. Can display OK/Okay, Malfunction, or Not Run. |
| Fuel Pump Speed Output Circuit Open Test Status | OK/Okay, Malfunction, Not Run | This parameter displays the Fuel Pump Speed Output Circuit Open Circuit Test Status. Can display OK/Okay, Malfunction, or Not Run. |
| Fuel Pump Trim | % | This parameter displays the adjustments for the fuel pump duty cycle control. This is calculated by comparing the estimated fuel rail pressure to the desired fuel rail pressure. If the short term fuel pump trim consistently deviates from 0, the long term fuel pump trim is adjusted accordingly. |
| Fuel Rail Pressure Regulator Command (If Equipped) | Degrees | The scan tool displays in degrees, the Fuel Rail Pressure Regulator ON time as commanded by the control module. |
| Fuel Rail Pressure Sensor | MPa/psi | This parameter displays the high side fuel pressure after the high pressure pump. |
| Fuel Rail Pressure Sensor | Volts | This parameter displays the voltage signal received by the control module from the fuel rail pressure (FRP) sensor. |
| Fuel Rail Pressure Sensor Initial Learn | Complete | This parameter displays the if the Fuel Rail Pressure Sensor First Time Adaptation is Complete |
| Fuel Rail Pressure Sensor Learn | Active | This parameter displays the current state of the fuel rail pressure sensor learn condition. |
| Fuel Rail Pressure Sensor Learn Inhibit | No | This parameter displays the reason for the fuel rail pressure sensor learn to be inhibited. These include: Assembly Plant Mode Counter Not Programmed, Assembly Plant Suspension, Barometric Pressure Sensor DTC, Barometric Pressure Too Low, Clutch Pedal Applied, Clutch Pedal Position Sensor DTC, Desired Fuel Rail Pressure Too Low, DTC Present, Engine in Catalyst Warm-Up Mode, Engine Not Synchronized, Engine Stopped, Fuel Pressure Spike, Fuel Level Too Low, Fuel Pressure Regulator Control Circuit DTC, Fuel Pump Control Function Active, Fuel Pump is Off, Fuel Rail Pressure Control Function Active, Fuel Rail Pressure Sensor DTC, Fuel System in Open Loop Operation, Fuel Temperature Out of Range, Idle Test Failed, Injector Flow Test in Progress, Intake Air Temperature Too Low, Low Pressure Fuel System Malfunction, Low Pressure Fuel System Pressure Too Low, Minimum Engine Run Time Not Met, Minimum Normal Fuel Pressure Control Time Not Met, Minimum Run Time, Time After New Engine Mode Not Met, Minimum Time After Drive Not Met, Minimum Time for Released Accelerator Pedal Not Met, New Engine Mode, Not in Control of Idle Speed, Other Diagnostics Active, Sensor Reading Too High Test Failed, Some Cylinders Are Turned Off, Stuck Sensor Test Failed, Vehicle Speed Too High |
| Fuel Rail Pressure Sensor Learn Status | Complete | This parameter displays several signals associated with the status of the power mode and starter systems. |
| Fuel Rail Pressure Sensor Learned Value | kPa | This parameter displays the fuel rail pressure learned value at the fuel rail pressure sensor. |
| Fuel Rail Temperature Sensor 1 | °C (°F) | This parameter indicates the fuel rail temperature measured by the first sensor on the rail. |
| Fuel Rail Temperature Sensor 2 | °C (°F) | This parameter indicates the fuel rail temperature measured by the second sensor on the rail. |
| Fuel System Monitor Complete | Yes/No | This parameter displays the enable and completion status during the current driving/monitoring cycle of each continuous legislated emission related monitor and noncontinuous legislated emission related monitor. |
| Fuel System Monitor Complete This Ignition Cycle | No | This parameter displays the completion status of the fuel system monitor during the current driving/monitoring cycle. |
| Fuel System Monitor Enabled | Yes/No | This parameter displays the enable and completion status during the current driving/monitoring cycle of each continuous legislated emission related monitor and noncontinuous legislated emission related monitor. |
| Fuel System Monitor Enabled This Ignition Cycle | No | This parameter displays the enable status of the fuel system monitor during the current driving/monitoring cycle. |
| Fuel Tank Pressure Sensor | kPa/psi | This parameter displays the pressure/vacuum inside the fuel tank. A negative value indicates a vacuum, while a positive value indicates a pressure. |
| Fuel Tank Pressure Sensor | mmHg/in H2O | This parameter displays the fuel tank pressure in mmHg/in H2O at the fuel tank pressure sensor. |
| Fuel Tank Pressure Sensor | Volts | This parameter displays the voltage signal received by the control module from the fuel tank pressure (FTP) sensor. |
| Fuel Tank Rated Capacity | Varies | This parameter displays the capacity of the fuel tank in liters or gallons. The rated capacity displayed by the scan tool will varies with vehicle type. |
| Fuel Trim Cylinder Balance Test or Fuel Trim Cylinder Balance Test Bank 1 - 2 |
Inactive | This parameter indicates the current state of the fuel trim cylinder balance test. |
| Fuel Trim Cylinder Balance Test Counter or Fuel Trim Cylinder Balance Test Counter Bank 1-2 |
Counts | This parameter displays the number of Air Fuel Imbalance Monitor tests that have been performed since a code clear or non volatile memory (NVM) reset. |
| Fuel Trim Cylinder Balance Test Status Bank 1-2 | No Result | This parameter indicates the current state of the fuel trim cylinder balance test. |
| Fuel Trim Learn | Enabled | This parameter displays Enabled when conditions are appropriate for enabling long term fuel trim corrections. This indicates that the long term fuel trim is adapting continuing amounts of short term fuel trim. If the scan tool displays Disabled, then long term fuel trim will not respond to changes in short term fuel trim. |
| Fuel Trim Learn | Enabled | This parameter displays if the fuel trim learn is enabled. |
| Fuel Trim Memory Cell | Counts 0 - 250 | This parameter displays long term fuel corrections that is active based upon the current operating conditions (MAP, engine speed, purge duty cycle, A/C compressor state, and transmission range). |
| Fuel Trim Memory Cell | # | This parameter displays the intake air temperature (measured by a sensor located near the throttle body) recorded at power-up (Run/Crank transition from low to high). |
| Fuel Trim System Test State | Complete | This parameter displays the current state of the fuel adjustment system diagnostic. |
| Fuel Trim System Test State | Complete | This parameter displays the state of the fuel trim system test. |
| Fuel Volatility | Varies | This parameter indicates the rate the fuel can be vaporized in the cylinder as calculated by the control module. The scan tool will display HIGH when the fuel volatility is high. The scan tool will display LOW when the fuel volatility is low. |
| Generator F Terminal Signal | % | This parameter displays the amount of generator ON-time as commanded by the control module. The higher the percentage the greater the generator output. |
| Generator Indicator Command | On | This parameter displays On or Off associated with the status of the generator. |
| Generator L Terminal Circuit High Voltage Test Status | OK/Okay, Malfunction | This parameter displays the state of the generator L circuit terminal. The parameter displays Malfunction if the generator L circuit is shorted to voltage. |
| Generator L Terminal Circuit Low Voltage Test Status | OK/Okay, Malfunction | This parameter displays the state of the generator L circuit terminal. The parameter displays Malfunction if the generator L circuit is shorted to ground. |
| Generator L Terminal Circuit Open Test Status | OK/Okay, Malfunction | This parameter displays the state of the generator L circuit terminal. The parameter displays Malfunction if the generator L circuit is open. |
| Generator L-Terminal Command | % | This parameter displays the control modules commanded state of the voltage regulator on the generator. |
| Generator L-Terminal Signal Command | On/Off | This parameter displays the commanded state of the generator L-terminal output. |
| Heated Catalyst Monitor Complete | Yes | This parameter indicates the status of the heated catalyst. The scan tool displays Yes when the diagnostic is complete. And No if the diagnostic has not ran or a malfunction is detected in the heated catalyst. |
| Heated Catalyst Monitor Enabled | Yes | This parameter indicates the status of the heated catalyst monitor diagnostic. Catalyst Monitor Test Running indicates Yes or No when the heated catalyst monitor diagnostic is actively running a test. |
| Heater Coolant Pump Relay Command | On/Off | This parameter indicates if the heater core pump relay is commanded On or Off. |
| Heater Coolant Pump Relay Control Circuit High Voltage Test Status | OK/Okay, Malfunction, Not Run | This parameter displays the Heater Coolant Pump Relay Control Circuit High Voltage Test Status. Can display OK/Okay, Malfunction, or Not Run. |
| Heater Coolant Pump Relay Control Circuit Low Voltage Test Status | OK/Okay, Malfunction, Not Run | This parameter displays the Heater Coolant Pump Relay Control Circuit Low Voltage Test Status. Can display OK/Okay, Malfunction, or Not Run. |
| Heater Coolant Pump Relay Control Circuit Open Test Status | OK/Okay, Malfunction, Not Run | This parameter displays the Heater Coolant Pump Relay Control Circuit Open Circuit Test Status. Can display OK/Okay, Malfunction, or Not Run. |
| High Side Driver 1 Circuit High Voltage Test Status | OK/Okay, Malfunction, Not Run | This parameter displays the High Side Driver 1 Circuit High Voltage Test Status. Can display OK/Okay, Malfunction, or Not Run. |
| High Side Driver 1 Circuit Low Voltage Test Status | OK/Okay, Malfunction, Not Run | This parameter displays the High Side Driver 1 Circuit Low Voltage Test Status. Can display OK/Okay, Malfunction, or Not Run. |
| High Side Driver 1 Circuit Open Test Status | OK/Okay, Malfunction, Not Run | This parameter displays the High Side Driver 1 Circuit Open Circuit Test Status. Can display OK/Okay, Malfunction, or Not Run. |
| High Side Driver 1 Command | On/Off | This parameter indicates if the High Side Driver 1 is being commanded On or Off. |
| High Side Driver 2 Circuit High Voltage Test Status | OK/Okay, Malfunction, Not Run | This parameter displays the High Side Driver 2 Circuit High Voltage Test Status. Can display OK/Okay, Malfunction, or Not Run. |
| High Side Driver 2 Circuit Low Voltage Test Status | OK/Okay, Malfunction, Not Run | This parameter displays the High Side Driver 2 Circuit Low Voltage Test Status. Can display OK/Okay, Malfunction, or Not Run. |
| High Side Driver 2 Circuit Open Test Status | OK/Okay, Malfunction, Not Run | This parameter displays the High Side Driver 2 Circuit Open Circuit Test Status. Can display OK/Okay, Malfunction, or Not Run. |
| High Side Driver 2 Command | On/Off | This parameter indicates if the High Side Driver 2 is being commanded On or Off. |
| Hood Position | Closed, Ajar, Open, Invalid | This parameter indicates the Position of the Hood. |
| Hood Position Switch | Closed | This parameter displays the current position of the hood. |
| HO2S Sensor 1 or HO2S Bank 1 Sensor 1 or Bank 2 Sensor 1 |
Volts | This parameter displays the voltage output from the HO2S to the control module. A lower voltage indicates a lean exhaust, while a higher voltage indicates a rich exhaust. |
| HO2S Sensor 1 or HO2S Bank 1 Sensor 1 or Bank 2 Sensor 1 |
Lambda | This parameter displays the voltage output as a lambda value. When the fuel system is lean, the oxygen level will be high and the lambda signal will be high or more than 1. When the fuel system is rich, the oxygen level will be low, and the lambda signal will be low or less than 1. The ECM uses this information to maintain the correct air/fuel ratio |
| HO2S Sensor 2 or HO2S Bank 1 Sensor 2 or Bank 2 Sensor 2 |
Volts | This parameter displays the voltage output from the HO2S to the control module. A lower voltage indicates a lean exhaust, while a higher voltage indicates a rich exhaust. |
| HO2S Heater Sensor 1 or HO2S Heater Bank 1 Sensor 1 or Bank 2 Sensor 1 |
Amps | This parameter display the current feedback for the oxygen sensor heater output for sensor 1. |
| HO2S Heater Sensor 2 or HO2S Heater Bank 1 Sensor 2 or Bank 2 Sensor 2 |
Amps | This parameter display the current feedback for the oxygen sensor heater output for sensor 2. |
| HO2S Heater Command or HO2S Heater Command Bank 1 or 2 Sensor 1 or 2 |
Off | This parameter display the state of the HO2S heater control circuit as commanded by the control module. |
| HO2S Heater Command Bank 1 or 2 Sensor 1 or 2 Heater Command | % | This parameter displays the HO2S heater ON time in percentage, as commanded by the control module. |
| HO2S Heater Control Circuit High Voltage Test Status or HO2S Heater Control Circuit High Voltage Test Status Bank 1 Sensor 1 or Bank 2 Sensor 1 |
OK/Okay, Malfunction | This parameter displays the state of the oxygen sensor heater control circuit. The parameter displays Malfunction if the oxygen sensor heater control circuit is shorted to voltage. |
| HO2S Heater Control Circuit High Voltage Test Status or HO2S Heater Control Circuit High Voltage Test Status Bank 1 Sensor 2 or Bank 2 Sensor 2 |
OK/Okay, Malfunction | This parameter displays the state of the oxygen sensor heater control circuit. The parameter displays Malfunction if the oxygen sensor heater control circuit is shorted to voltage. |
| HO2S Heater Control Circuit Low Voltage Test Status or HO2S Heater Control Circuit Low Voltage Test Status Bank 1 Sensor 1 or Bank 2 Sensor 1 |
OK/Okay, Malfunction | This parameter displays the state of the oxygen sensor heater control circuit. The parameter displays Malfunction if the oxygen sensor heater control circuit is shorted to ground. |
| HO2S Heater Control Circuit Low Voltage Test Status or HO2S Heater Control Circuit Low Voltage Test Status Bank 1 Sensor 2 or Bank 2 Sensor 2 |
OK/Okay, Malfunction | This parameter displays the state of the oxygen sensor heater control circuit. The parameter displays Malfunction if the oxygen sensor heater control circuit is shorted to ground. |
| HO2S Heater Control Circuit Open Test Status or HO2S Heater Control Circuit Open Test Status Bank 1 Sensor 1 or Bank 2 Sensor 1 |
OK/Okay, Malfunction | This parameter displays the state of the oxygen sensor heater control circuit. The parameter displays Malfunction if the oxygen sensor heater control circuit is open. |
| HO2S Heater Control Circuit Open Test Status or HO2S Heater Control Circuit Open Test Status Bank 1 Sensor 2 or Bank 2 Sensor 2 |
OK/Okay, Malfunction | This parameter displays the state of the oxygen sensor heater control circuit. The parameter displays Malfunction if the oxygen sensor heater control circuit is open. |
| HO2S/Heater Monitor Complete This Ignition Cycle | Yes/No | This parameter displays the diagnostic monitor completion status during the current driving/monitoring cycle. |
| HO2S Heater Monitor Enabled | No | This parameter displays the current state of the H02S heater monitor. |
| HO2S/Heater Monitor Enabled This Ignition Cycle | Yes/No | This parameter displays the diagnostic monitor enable status during the current driving/monitoring cycle. |
| Humidity Sensor Intake Air Temperature Signal | Hz | This parameter displays the frequency of the humidity sensor's intake air temperature (IAT) sensor input. |
| IAT Sensor 1 | °C (°F) |
This parameter displays the temperature of the air entering the air induction system based on input to the control module from the intake air temperature (IAT) sensor. |
| IAT Sensor 2 | Hz | This parameter displays the frequency of the humidity sensor's intake air temperature (IAT) sensor input to the engine control module. |
| IAT Sensor 2 | °C (°F) | This parameter displays the temperature of the air entering the engine as calculated by the control module based on the input from the intake air temperature (IAT) sensor 2. The scan tool will display a low value when the air temperature is low, and a high value when the air temperature is high. |
| IAT Sensor 3 | °C (°F) | This parameter displays the temperature of the air entering the engine as calculated by the control module based on the input from the intake air temperature (IAT) sensor 3. The scan tool will display a low value when the air temperature is low, and a high value when the air temperature is high. |
| Idle Speed Correction | RPM | This parameter displays the engine idle speed correction within a restricted range to address complaints of vehicle vibration. |
| Ignition 1 Signal | B+ | This parameter displays B+ when the control module detects a voltage at the ignition 1 input terminal. |
| Ignition Accessory Signal | On | This parameter displays On when the control module detects a voltage at the ignition accessory input terminal. |
| Ignition Coil 1, 2, 3, 4, 5, 6, 7, or 8 Control Circuit High Voltage Test Status | OK/Okay, Malfunction | This parameter displays the state of the Ignition control circuit. The parameter displays Malfunction if the Ignition control circuit is shorted to voltage. |
| Ignition Coil 1, 2, 3, 4, 5, 6, 7, or 8 Control Circuit Low Voltage Test Status | OK/Okay, Malfunction | This parameter displays the state of the Ignition control circuit. The parameter display Malfunctions if the Ignition control circuit is shorted to ground. |
| Ignition Coil 1, 2, 3, 4, 5, 6, 7, or 8 Control Circuit Open Test Status | OK/Okay, Malfunction | This parameter displays the state of the Ignition control circuit. The parameter displays if Malfunction the Ignition control circuit is open. |
| Ignition Coil Supply Voltage or Ignition Coil Supply Voltage Bank 1 or 2 |
On | This parameter displays ON when voltage is supplied to the Ignition coil. |
| Ignition Cycles Since Recommended Maximum Fuel Alcohol Content Exceeded | Counts | This parameter displays the number of Ignition Cycles since Recommended Maximum Fuel Alcohol Content Exceeded. |
| Ignition Cycles with Malfunction Since 1st Malfunction | Counts | This parameter contains the number of ignition cycles with a failure reported since the first ignition cycle with a failure reported. |
| Ignition Cycles Without Completed Test Since 1st Malfunction | Counts | This parameter displays the number of ignition cycles without a pass or a failure reported since the first ignition cycle with a failure reported. |
| Ignition Cycles Without Malfunction Since Last Malfunction | Counts | This parameter displays the number of ignition cycles with a pass reported and no malfunctions reported since the first ignition cycle with a malfunction reported. |
| Ignition Cycles without Malfunction Since Last Malfunction | Counts | This parameter contains the number of ignition cycles with a pass reported and no failures reported since the first ignition cycle with a failure reported. |
| Ignition Off Time | hh:mm:ss | This parameter displays the time that the ignition has been OFF. |
| Ignition Timing | Degrees | This parameter displays the final spark advance in terms of a crankshaft angle. |
| Immobilizer Auto Learn Counter | Counts | This parameter displays the number of auto-learn cycles that have been successfully completed within the immobilizer system. |
| Immobilizer Automatic Learn Timer | h/m/s | This parameter displays the time elapsed within the current auto-learn cycle within the immobilizer system. |
| Immobilizer ECM Identifier | OK/Okay | This parameter displays that the immobilizer control module (ICM) has received the correct powertrain identifier. |
| Immobilizer Environment Device 1-4 | OK/Okay | This parameter displays that the associated device is OK/Okay or unknown or its identification is pending to the immobilizer control module (ICM). |
| Immobilizer Fuel Disable | Inactive | This parameter displays if the vehicle is immobilized by the ECM. |
| Immobilizer Module Environment Identification | Inactive | This parameter displays that the ICM has not received the powertrain identifier or has received the wrong powertrain identifier. |
| Immobilizer Module Fuel Disable | Inactive | This parameter displays if the vehicle is immobilized by the ICM. |
| Immobilizer Module Identification | Complete | This parameter indicates that the ICM has not received the powertrain identifier or has received the wrong powertrain identifier. |
| Immobilizer Module Security Code Programmed | Yes | This parameter indicates that the ICM security code has been programmed (i.e., the immobilizer device is locked). |
| Immobilizer Password Learn | Active/Inactive | Learning Enabled indicates that learning of immobilizer code information is enabled. |
| Immobilizer Password Learn Scan Tool Delay | Active/Inactive | Scan tool Learn Delay Active indicates that the security code has been accepted but the scan tool learn delay is active and will not allow learning enabled, programming security code, or resetting security code. |
| Immobilizer Password Programmed | Yes | This parameter indicates that the ICM password has been programmed. |
| Immobilizer Post-Release Passive State | Active/Inactive | This parameter displays that the immobilizer algorithm is in the post release passive state. |
| Immobilizer Post-Release State | Active/Inactive | This parameter displays that the immobilizer algorithm is in the post release passive state. |
| Immobilizer Pre-Release State | Active/Inactive | This parameter displays that the immobilizer algorithm is in the pre release active state. |
| Immobilizer Release State | Active/Inactive | This parameter displays that the immobilizer algorithm is in the release active state. |
| Immobilizer Security Code Accepted | Yes/No | Security Code Accepted displaying Yes indicates' that the received security code is correct. |
| Immobilizer Security Code Function | Present/Not Present | This parameter indicates if the ECU supports the immobilizer security code strategy. |
| Immobilizer Security Code Lockout | Yes/No | Security Code Lockout Active indicates that the security code has not passed and lockout is active. |
| Immobilizer Security Code Lockout Active Timer | ms | This parameter displays the time elapsed since the immobilizer security code lockout has been activated either due to a battery disconnect or an incorrect immobilizer security code being entered. |
| Immobilizer Security Code Programmed | Yes/No | Security Code Programmed indicates that the security code has been programmed. |
| Immobilizer Security Code Programming Counter | Counts | This parameter displays the number of times a new immobilizer security code has been programmed through secure access. This counter can only be incremented. |
| Immobilizer Security Code Reset Counter | Counts | This parameter displays the number of times the immobilizer security code has been reset to the default value through secure access. This counter can only be incremented. |
| Immobilizer Security Information Programmed | Yes/No | This parameter displays the status of the immobilizer system. |
| Immobilizer Security Level | # | This parameter displays the current immobilizer security level. If the correct security code is entered, the security level will remain at or be reset to a level of 10. If an incorrect security code is entered, the security level will be set to a level of 9. |
| Immobilizer Transponder Identification | Active/Inactive | This parameter displays that the transponder identification process is active within the ICM. |
| Immobilizer Transponder Key | OK/Okay | This parameter displays that the transponder key is correct for the ICM. |
| Immobilizer Transponder Key Identification | OK/Okay | This parameter displays that the transponder key identification process is active within the ICM. |
| Immobilizer System Status | Varies | This parameter displays the status of the immobilizer system, the following maybe displayed. Standby, Immobilized at Startup, Immobilized, No Response, Immobilized Negative Response, Immobilized, Incorrect Response, Post-Release State, Pre-Release State, Release State. |
| Immobilizer Valid Response Received Time | ms | This parameter displays the actual time observed for a valid immobilizer response. |
| Initialized Fuel Alcohol Content | % | This parameter displays the initialized fuel composition to be used as a starting point for the fuel composition algorithm. |
| Injector Duty Cycle or Injector Duty Cycle Bank 1 or 2 |
ms | This parameter displays the amount of fuel injector ON time or pulse width as commanded by the control module. |
| Inspection/Maintenance Drive Cycle Complete | Yes/No | Inspection/Maintenance Drive Cycle Complete means that all required components of the standard drive cycle have completed. |
| Inspection/Maintenance Drive Cycle Idle Time Complete | Yes/No | Inspection/Maintenance Drive Cycle Idle Time Complete indicates that the engine idle time requirement is complete. |
| Inspection/Maintenance Drive Cycle Idle Timer | hh:mm:ss | This parameter displays the Inspection/Maintenance Drive Cycle Idle Timer. |
| Inspection/Maintenance Drive Cycle Propulsion System Active Time Complete | Yes/No | This parameter displays the Inspection/Maintenance Drive Cycle Propulsion System Active Time Complete. The parameter displays Yes when the Inspection/Maintenance Drive Cycle Propulsion System Active Time is Complete. |
| Inspection/Maintenance Drive Cycle Propulsion System Active Timer | hh:mm:ss | This parameter displays the total accumulated time in which the propulsion system has been active after the 1st time the engine is started. |
| Inspection/Maintenance Drive Cycle Vehicle Speed Time Complete | Yes/No | This parameter displays Yes when the Vehicle Speed Time Complete indicates that the vehicle has been above 25 mph for five minutes. |
| Inspection/Maintenance Drive Cycle Vehicle Speed Timer | hh:mm:ss | This parameter displays the total accumulated time in which the vehicle speed has been greater than 25 mph after the 1st time the engine is started. |
| Intake Air Humidity Sensor | % | This parameter displays the raw duty cycle signal from the relative humidity sensor electronics, which represents the relative humidity of the intake air. |
| Intake Camshaft Position | ° | This parameter displays the position of the intake camshaft for bank 1 in terms of degrees of camshaft rotation (advance) from the park position (a value of zero represents the park position). |
| Intake Camshaft Position Active Counter or Intake Camshaft Position Active Counter Bank 1 or 2 |
0 - 255 | This parameter displays an incrementing counter when the control module receives a signal from the intake camshaft position (CMP) sensor. |
| Intake Camshaft Position Actuator Oil Pressure | kPa | This parameter displays the oil pressure at the intake camshaft position actuator. |
| Intake Camshaft Position Actuator Oil Pressure Sensor | Volts | This parameter displays the intake camshaft position actuator pressure sensor in voltage. |
| Intake Camshaft Position Actuator Park Lock Solenoid Valve Command Bank 1 | Locked/Unlocked | This parameter indicates if the Intake Camshaft Position Actuator Park Lock Solenoid Valve for Bank 1 is Locked or Unlocked. |
| Intake Camshaft Position Actuator Park Lock Solenoid Valve Command Bank 2 | Locked/Unlocked | This parameter indicates if the Intake Camshaft Position Actuator Park Lock Solenoid Valve for Bank 2 is Locked or Unlocked. |
| Intake Camshaft Position Actuator Park Lock Solenoid Valve Control Circuit High Voltage Test Status Bank 1 | OK/Okay, Malfunction, Not Run | This parameter displays the Intake Camshaft Position Actuator Park Lock Solenoid Valve Control Circuit High Voltage Test Status Bank 1. Can display OK/Okay, Malfunction, or Not Run. |
| Intake Camshaft Position Actuator Park Lock Solenoid Valve Control Circuit High Voltage Test Status Bank 2 | OK/Okay, Malfunction, Not Run | This parameter displays the Intake Camshaft Position Actuator Park Lock Solenoid Valve Control Circuit High Voltage Test Status Bank 2. Can display OK/Okay, Malfunction, or Not Run. |
| Intake Camshaft Position Actuator Park Lock Solenoid Valve Control Circuit Low Voltage Test Status Bank 1 | OK/Okay, Malfunction, Not Run | This parameter displays the Intake Camshaft Position Actuator Park Lock Solenoid Valve Control Circuit Low Voltage Test Status Bank 1. Can display OK/Okay, Malfunction, or Not Run. |
| Intake Camshaft Position Actuator Park Lock Solenoid Valve Control Circuit Low Voltage Test Status Bank 2 | OK/Okay, Malfunction, Not Run | This parameter displays the Intake Camshaft Position Actuator Park Lock Solenoid Valve Control Circuit Low Voltage Test Status Bank 2. Can display OK/Okay, Malfunction, or Not Run. |
| Intake Camshaft Position Actuator Park Lock Solenoid Valve Control Circuit Open Test Status Bank 1 | OK/Okay, Malfunction, Not Run | This parameter displays the Intake Camshaft Position Actuator Park Lock Solenoid Valve Control Circuit Open Circuit Test Status Bank 1. Can display OK/Okay, Malfunction, or Not Run. |
| Intake Camshaft Position Actuator Park Lock Solenoid Valve Control Circuit Open Test Status Bank 2 | OK/Okay, Malfunction, Not Run | This parameter displays the Intake Camshaft Position Actuator Park Lock Solenoid Valve Control Circuit Open Circuit Test Status Bank 2. Can display OK/Okay, Malfunction, or Not Run. |
| Intake Camshaft Position Actuator Park Lock Test Abort Reason Bank 1 | N/A | This parameter indicates the reason why the Intake Camshaft Actuator Park Lock Pin Test for Bank 1 was aborted. |
| Intake Camshaft Position Actuator Park Lock Test Abort Reason Bank 2 | N/A | This parameter indicates the reason why the Intake Camshaft Actuator Park Lock Pin Test for Bank 2 was aborted. |
| Intake Camshaft Position Actuator Park Lock Test Status Bank 1 | N/A | This parameter indicates the status of the intake camshaft actuator park lock pin test for bank 1. |
| Intake Camshaft Position Actuator Park Lock Test Status Bank 2 | N/A | This parameter indicates the status of the intake camshaft actuator park lock pin test for Bank 2. |
| Intake Camshaft Position Actuator Solenoid Valve Control Circuit High Voltage Test Status or Intake Camshaft Position Actuator Solenoid Valve Control Circuit High Voltage Test Status Bank 1 or 2 |
OK/Okay, Malfunction | This parameter displays the state of the intake camshaft actuator solenoid control circuit. The parameter displays Malfunction if the camshaft actuator solenoid control circuit is shorted to voltage. |
| Intake Camshaft Position Actuator Solenoid Valve Control Circuit Low Voltage Test Status or Intake Camshaft Position Actuator Solenoid Valve Control Circuit Low Voltage Test Status Bank 1 or 2 |
OK/Okay, Malfunction | This parameter displays the state of the intake camshaft actuator solenoid control circuit. The parameter displays Malfunction if the camshaft actuator solenoid control circuit is shorted to ground. |
| Intake Camshaft Position Actuator Solenoid Valve Control Circuit Open Test Status or Intake Camshaft Position Actuator Solenoid Valve Control Circuit Open Test Status Bank 1 or 2 |
OK/Okay, Malfunction | This parameter displays the state of the intake camshaft actuator solenoid control circuit. The parameter displays Malfunction if the camshaft actuator solenoid control circuit is open. |
| Intake Camshaft Position or Intake Camshaft Position Bank 1 or 2 |
Degrees | This parameter displays the actual intake camshaft position in degrees. |
| Intake Camshaft Position Commanded or Intake Camshaft Position Commanded Bank 1 or 2 |
% | This parameter displays the ON-time or duty cycle of the intake camshaft position (CMP) actuator solenoid valve as commanded by the control module. |
| Intake Camshaft Position Variance or Intake Camshaft Position Variance Bank 1 or 2 |
Degrees | This parameter displays in degrees, the difference between the desired intake camshaft position and the actual intake camshaft position. |
| Intake Camshaft Profile Actuator 1 - 8 Command | On/Off | This parameter displays the commanded state of the Intake Camshaft Profile Actuator output. |
| Intake Camshaft Profile Actuator 1 - 8 Control Circuit High Voltage Test Status | OK/Okay, Malfunction, Not Run | This parameter displays the state of the Intake Camshaft Profile Actuator control circuit per cylinder. The parameter displays Malfunction if the Intake Camshaft Profile Actuator control circuit is shorted to voltage. |
| Intake Camshaft Profile Actuator 1 - 8 Control Circuit Low Voltage Test Status | OK/Okay, Malfunction, Not Run | This parameter displays the state of the Intake Camshaft Profile Actuator control circuit per cylinder. The parameter displays Malfunction if the Intake Camshaft Profile Actuator control circuit is shorted to ground. |
| Intake Camshaft Profile Actuator 1 - 8 Control Circuit Open Test Status | OK/Okay, Malfunction, Not Run | This parameter displays the state of the Intake Camshaft Profile Actuator control circuit per cylinder. The parameter displays Malfunction if the Intake Camshaft Profile Actuator control circuit is open. |
| Intake Camshaft Profile Actuator Position Sensor 1 - 4 | % | This parameter displays the commanded duty cycle for the Intake Camshaft Profile Actuator. |
| Intake Camshaft Profile Actuator Position Sensor 1 - 4 | mm | This parameter displays the commanded duty cycle for the Intake Camshaft Profile Actuator. |
| Intake Camshaft Profile Sleeve Position Sensor 1, 2 | Counts | This parameter displays the number of times that the Intake Camshaft Profile Sleeve test has been activated during the current key cycle. |
| Intake Manifold Pressure | kPa/psi | This parameter displays the engine intake manifold vacuum pressure calculated as the difference between ambient air pressure (barometric pressure) and intake manifold absolute pressure (MAP). |
| Intake Manifold Tuning Control Valve Control Circuit Command | On | This parameter displays the commanded state of the intake manifold tuning valve output. |
| Intake Manifold Tuning Control Valve Control Circuit High Voltage Test Status | OK/Okay, Malfunction | This parameter displays the state of the intake manifold tuning control valve control circuit. The parameter displays Malfunction if the intake manifold tuning control valve control circuit is shorted to voltage. |
| Intake Manifold Tuning Control Valve Control Circuit Low Voltage Test Status | OK/Okay, Malfunction | This parameter displays the state of the skip shift solenoid actuator control circuit. The parameter displays Malfunction if the skip shift solenoid actuator control circuit is shorted to ground. |
| Intake Manifold Tuning Control Valve Control Circuit Open Test Status | OK/Okay, Malfunction | This parameter displays the state of the skip shift solenoid actuator control circuit. The parameter displays Malfunction if the skip shift solenoid actuator control circuit is open. |
| Intake Manifold Tuning Control Valve Feedback Signal | % | This parameter displays the duty cycle of the PWM feedback from the intake manifold tuning electronics, which represents the position of the intake manifold tuning valve. |
| Intake Manifold Tuning Control Valve Learn | Inactive | This parameter displays that the intake manifold tuning electronics are currently learning the hard stop position for the intake manifold tuning valve. |
| Intake Manifold Tuning Control Valve Position | Closed | This parameter displays whether the intake manifold tuning valve is in an open, closed, or intermediate position based upon the PWM feedback from the intake manifold tuning electronics. |
| Intake Rocker Arm Solenoid Valve 1 - 2 Command | Off | This parameter displays the intake rocker arm solenoid valve command ON/OFF status. |
| Intake Rocker Arm Solenoid Valve 1 - 2 Command | High Lift/Low Lift | This parameter displays the intake rocker arm solenoid valve command status. |
| Intake Rocker Arm Solenoid Valve 1 - 2 Control Circuit High Voltage Test Status | OK/Okay, Malfunction | This parameter displays the state of the intake rocker arm solenoid valve control circuit. The parameter displays Malfunction if the intake rocker arm solenoid valve circuit is shorted to voltage. |
| Intake Rocker Arm Solenoid Valve 1 - 2 Control Circuit Low Voltage Test Status | OK/Okay, Malfunction | This parameter displays the state of the intake rocker arm solenoid valve control circuit. The parameter displays Malfunction if the intake rocker arm solenoid valve control circuit is shorted to ground. |
| Intake Rocker Arm Solenoid Valve 1 - 2 Control Circuit Open Test Status | OK/Okay, Malfunction | This parameter displays the state of the intake rocker arm solenoid valve control circuit. The parameter displays Malfunction if the intake rocker arm solenoid valve control circuit is open. |
| ISS/OSS Supply Voltage | OK/Okay, Malfunction | This parameter displays the state of the ISS/OSS Supply Voltage circuit. |
| Knock Retard | Degrees | This parameter indicates the amount of spark advance the control module removes from the ignition control (IC) spark advance in response to the signal from the knock sensors. |
| Long Term Fuel Pump Trim | # | This parameter displays a numeric value. This is the long term (LT) fuel pump trim. |
| Long Term Fuel Trim or Long Term Fuel Trim Bank 1 or 2 |
% | This parameter displays the commanded Long Term Fuel Trim correction by the control module for cruise and acceleration conditions. |
| Long Term Fuel Trim Test Average or Long Term Fuel Trim Test Average Bank 1 or 2 |
% | This parameter displays the filtered long term closed loop fuel correction. This value is compared to thresholds to determine if the fuel adjustment system diagnostic is passing or failing or if an excess purge vapor test should be executed. |
| Long Term Fuel Trim Test Average without Purge or Long Term Fuel Trim Test Average without Purge Bank 1 or 2 |
% | This parameter displays the filtered non purge long term closed loop fuel correction. This value is compared to thresholds to determine if the fuel adjustment system diagnostic is passing, failing, or indeterminate during normal purge-OFF operation as well as during the intrusive excess purge vapor test. |
| Long Term Secondary O2 Sensor Fuel Trim Bank 1 or 2 | % | This parameter displays the Long Term Secondary O2 Sensor Fuel Trim for Bank 1 or 2. |
| Lost Communication with Active Grille Air Shutter Actuator Test Status | OK/Okay, Malfunction, Not Run | This parameter indicates the status of the Active Grille Air Shutter actuator diagnostic test. |
| Low Engine Oil Level Indicator Command | Off | The scan tool displays On or Off. This is the state of the low engine oil level indicator as monitored by the ECM. |
| Low Engine Oil Pressure Indicator Command | Off | This parameter displays the commanded state of the low EOP lamp control circuit by the control module. |
| Low-Voltage Battery Current | Amps | This parameter displays the battery current. |
| Low-Voltage Battery State of Charge | Volts | This parameter indicates the percentage of the battery charge remaining. |
| Low-Voltage Battery State of Function | Volts | This parameter displays the predicted minimum voltage of the next crank event. |
| Low-Voltage Battery State of Health | Volts | This parameter indicates the available capacity of the battery if it were fully charged, relative to the capacity when the battery was new. |
| Low-Voltage Battery Temperature | °C (°F) | This parameter indicates the temperature of the battery. |
| MAF Performance Test | OK/Okay | This parameter displays the status of the MAF performance test by the engine control module. The scan tool will display OK/Okay if no malfunction is found. The scan tool will display malfunction if the engine control module detects a malfunction during the test. |
| MAF Sensor | g/s | This parameter displays in grams per second, the measured quantity of air flowing into the engine during all operating conditions. |
| MAF Sensor | Hz | The scan tool displays a range of 0-65, 555 hertz. This parameter displays the frequency signal input to the control module, and represents measured quantity of air flowing into the engine during all operating conditions. |
| MAF Sensor Supply Voltage Command | On/Off | This parameter indicates if the mass air flow sensor supply voltage is commanded On or Off. |
| MAF Sensor Supply Voltage Control Circuit High Voltage Test Status | OK/Okay, Malfunction, Not Run | This parameter displays the mass air flow sensor supply voltage Control Circuit High Voltage Test Status. Can display OK/Okay, Malfunction, or Not Run. |
| MAF Sensor Supply Voltage Control Circuit Low Voltage Test Status | OK/Okay, Malfunction, Not Run | This parameter displays the mass air flow sensor supply voltage Control Circuit Low Voltage Test Status. Can display OK/Okay, Malfunction, or Not Run. |
| MAF Sensor Supply Voltage Control Circuit Open Test Status | OK/Okay, Malfunction, Not Run | This parameter displays the mass air flow sensor supply voltage Control Circuit Open Circuit Test Status. Can display OK/Okay, Malfunction, or Not Run. |
| MAF When Engine Overspeed Detected | g/s | This parameter indicates the quantity calculated by the control module based on a signal from the MAF sensor at the time an overspeed was detected. |
| MAP Performance Test 1 | OK/Okay | MAP Test 1 Residual Out of Tolerance indicates that the filtered MAP Test 1 residual (the difference between the measured intake manifold pressure and the intake manifold pressure predicted from the intake manifold model using the mass airflow predicted from the throttle model) exceeds a failure threshold. |
| MAP Performance Test 2 | OK/Okay | MAP Test 2 Residual Out of Tolerance indicates that the filtered MAP Test 2 residual (the difference between the measured intake manifold pressure and the intake manifold pressure predicted from the intake manifold model using the measured mass airflow) exceeds a failure threshold. |
| MAP Sensor | kPa/psi | This parameter displays the actual engine intake manifold absolute pressure (MAP). |
| MAP Sensor | Volts | The parameter displays The MAP sensor voltage as it measures the change in the intake manifold pressure which results from engine load and speed changes. As the intake manifold pressure increases, the air density in the intake also increases and additional fuel is required. |
| Maximum Engine Speed When Engine Overspeed Detected | RPM | This parameter displays the Maximum Engine Speed When Engine Overspeed Detected. |
| MIL Command | Off | This parameter displays the commanded state of the malfunction indicator lamp (MIL) control circuit by the control module. |
| MIL Control Circuit High Voltage Test Status | OK/Okay, Malfunction | This parameter displays the state of the MIL control circuit. The parameter displays Malfunction if the MIL control circuit is shorted to voltage. |
| MIL Control Circuit Low Voltage Test Status | OK/Okay, Malfunction | This parameter displays the state of the MIL control circuit. The parameter displays Malfunction if the MIL control circuit is shorted to ground. |
| MIL Control Circuit Open Test Status | OK/Okay, Malfunction | This parameter displays the state of the MIL control circuit. The parameter displays Malfunction if the MIL control circuit is open. |
| MIL Requested | No | This parameter displays the reason the engine control module illuminated the MIL. The scan tool will display Yes when the MIL is requested as a result of an A or B type DTC. The scan tool will display No if the MIL is illuminated for another reason, such as transmission DTCs. |
| MIL Requested by DTC | No | This parameter indicates the reason the control module illuminated the MIL. The scan tool will display YES when the MIL is requested as a result of an A or B type DTC. The scan tool will display NO if the MIL is illuminated for another reason, such as transmission DTCs. |
| Minimum DC/DC Converter Output Voltage on Circuit 1 - Last Engine Crank | Volts | This parameter indicates the minimum DC/DC Converter Output Voltage on Circuit 1 on the last engine crank. |
| Minimum DC/DC Converter Output Voltage on Circuit 2 - Last Engine Crank | Volts | This parameter indicates the minimum DC/DC Converter Output Voltage on Circuit 2 on the last engine crank. |
| Misfire Diagnostic Engine Load | % | This parameter displays the engine load used within the misfire diagnostic (calculated as the ratio of the mass of air predicted to be in the cylinder two firing events into the future to the maximum possible mass of air in the cylinder based on the current ambient air pressure and charge temperature). |
| Misfire Diagnostic Engine Speed | RPM | This parameter displays the engine speed used within the misfire diagnostic. This engine speed is the maximum engine speed observed over the previous engine cycle. |
| Misfire Engine Load History 1 - 5 | % | This parameter displays the specific engine load when the engine was operating for one of the last five misfire events. |
| Misfire Engine Speed History 1 - 5 | RPM | This parameter displays the specific engine speed when the engine was operating for one of the last five misfire events. |
| Misfire Monitor Complete | Yes/No | This parameter displays the status of the Misfire Monitor. The parameter will display Yes when the Misfire Monitor is Complete. |
| Misfire Monitor Complete This Ignition Cycle | No | This parameter displays the completion status of the misfire monitor during the current driving/monitoring cycle. |
| Misfire Monitor Enabled | Yes/No | This parameter displays the status of the Misfire Monitor. The parameter will display Yes when the Misfire Monitor is Enabled. |
| Misfire Monitor Enabled This Ignition Cycle | No | This parameter displays the enable status of the misfire monitor during the current driving/monitoring cycle. |
| Neutral Position Sensor | ° | This parameter displays the current state of the neutral position sensor in degrees. |
| Number of Calibration History Events Stored | Counts | This parameter displays the history entries for the primary calibration in the controller. |
| Number of DTC(s) | # | This parameter indicates the number of diagnostic trouble codes (DTCs). |
| O2S/HO2S Monitor Complete | Yes/No | This parameter displays the enable and completion status during the current driving/monitoring cycle of each continuous legislated emission related monitor and non continuous legislated emission related monitor. |
| O2S/HO2S Monitor Complete This Ignition Cycle | Yes/No | This parameter displays the enable and completion status during the current driving/monitoring cycle of each continuous legislated emission related monitor and non continuous legislated emission related monitor. |
| O2S/HO2S Monitor Enabled | Yes/No | This parameter displays the enable and completion status during the current driving/monitoring cycle of each continuous legislated emission related monitor and non continuous legislated emission related monitor. |
| O2S/HO2S Monitor Enabled This Ignition Cycle | Yes/No | This parameter displays the enable and completion status during the current driving/monitoring cycle of each continuous legislated emission related monitor and non continuous legislated emission related monitor. |
| Odometer at Engine Shutdown - Excessive Idle Time | km/mi | This parameter displays the odometer reading at an engine shutdown due to excessive idle time. |
| Odometer at Engine Shutdown - High Coolant Temperature | km/mi | This parameter displays the odometer reading at an engine shutdown due to high coolant temperature. |
| Odometer at Engine Shutdown - Low Coolant Level | km/mi | This parameter displays the odometer reading at an engine shutdown due to low coolant level. |
| Odometer at Engine Shutdown - Low Oil Level | km/mi | This parameter displays the odometer reading at an engine shutdown due to low oil level. |
| Odometer When Engine Overspeed Detected | km/mi | This parameter displays the kilometers or miles of the Odometer When Engine Overspeed Detected. |
| Oil Level Warning Counter City | Counts | This parameter displays a rolling count of oil level debounce events for the city calibration. |
| Oil Level Warning Counter Country Road | Counts | This parameter displays a rolling count of oil level debounce events for the country road calibration |
| Oil Level Warning Counter Highway | Counts | This parameter displays a rolling count of oil level debounce events for the highway calibration. |
| Output Shaft Speed Sensor | RPM | This parameter displays the transmission output speed. |
| Park/Neutral Position Switch (If Equipped) | Park/Neutral | This parameter indicates the range selection of the automatic transmission as calculated by the control module based on input from the PNP switch. The scan tool will display, In Gear, Park, or Neutral depending on the PNP switch position. |
| Park/Neutral Position Switch (RPO=MO5) | Active/Inactive | This parameter indicates the status of the Park/Neutral Position (PNP) Switch. When in Park, the PNP Switch is closed and the scan tool will display active. When in Reverse, Neutral, or Drive, the PNP Switch is open and the scan tool will display inactive. |
| Power Enrichment | Inactive | This parameter indicates if the control module has detected conditions appropriate to operate in Power Enrichment mode. The scan tool will display Active if the mode is in operation, and Inactive if the mode is not in operation. The control module enters Open Loop operation and increases injector pulse width when in power enrichment mode. |
| Power Mode | Run | This parameter displays the state of the System Power Mode. This signal is based upon the state of the system power mode received over serial communication from the vehicle electronics. If the serial data signal not received, the Parameter will display Off. |
| Radiator Coolant Temperature Sensor | Varies C° (F°) | This parameter displays the undefaulted radiator coolant temperature measured by a sensor located in the coolant outlet of the radiator. |
| RCT vs. IAT Sensor Temperature at Last ECT vs. RCT Malfunction Detection | Agree | This parameter displays that the temperature values of the RCT and IAT sensors did not agree at the time of the most recent failure of the ECT/RCT rationality diagnostic. |
| Recommended Maximum Fuel Alcohol Content | % | This parameter displays the percentage of the Recommended Maximum Fuel Alcohol Content. |
| Recommended Maximum Fuel Alcohol Content Exceeded | No | This parameter displays Yes or No if the Recommended Maximum Fuel Alcohol Content Exceeded. |
| Recommended Maximum Fuel Alcohol Content When Recommended Maximum Fuel Alcohol Content Exceeded | % | This parameter displays the percentage of the Recommended Maximum Fuel Alcohol Content When Recommended Maximum Fuel Alcohol Content Exceeded. |
| Reduced Engine Power | Inactive | This parameter displays Active if the control module is commanding reduced engine power due to a throttle actuator control (TAC) system condition. |
| Reduced Engine Power History | Throttle Malfunction, Cooling Fan Malfunction, Engine Over-temperature Protection Active, Engine Oil Temperature Too High, Remote Vehicle Speed Limiting, Engine Calibration Malfunction, Engine Oil Life, High Pressure Fuel System Malfunction | This parameter displays the last reason that Powertrain has illuminated the Reduced Engine Power (REP) indication. |
| Redundant Odometer Memory | Present | ECU Odometer Programmed indicates if the ECU odometer value has been programmed. |
| Refueling Events Since Recommended Maximum Fuel Alcohol Content Exceeded | Counts | This parameter displays the number Refueling Events Since Recommended Maximum Fuel Alcohol Content Exceeded. |
| Remaining Fuel in Tank | % | This parameter displays the total fuel level as a percentage of the rated capacity of the fuel tank. |
| Remaining Fuel in Tank | Liters/Gallons | This parameter displays the actual total fuel volume contained in the fuel tank. |
| Remote Vehicle Start Disable History 1 - 8 | Reason for RVS Disable | These parameters displays the last eight reasons the control module disabled remote vehicle start (RVS). |
| Remote Vehicle Start Request Signal | Off | Remote Vehicle Start Request indicates the state of the request received over serial communication from the remote vehicle start (RVS) system to start the vehicle in remote mode. |
| Replicated Transmission OSS Signal | RPM | This parameter displays the Replicated Transmission Output Speed (Replicated TOS) received from the Transmission Control Module. |
| Reverse Inhibit Solenoid Actuator Command | Allowed | This parameter displays that the driver is inhibited from shifting into reverse. |
| Reverse Inhibit Solenoid Actuator Control Circuit High Voltage Test Status | OK/Okay, Malfunction | This parameter displays the state of the reverse inhibit solenoid actuator control circuit. The parameter displays Malfunction if the reverse inhibit solenoid actuator control circuit is shorted to voltage. |
| Reverse Inhibit Solenoid Actuator Control Circuit Low Voltage Test Status | OK/Okay, Malfunction | This parameter displays the state of the reverse inhibit solenoid actuator control circuit. The parameter displays Malfunction if the reverse inhibit solenoid actuator control circuit is shorted to ground. |
| Reverse Inhibit Solenoid Actuator Control Circuit Open Test Status | OK/Okay, Malfunction | This parameter displays the state of the reverse inhibit solenoid actuator control circuit. The parameter displays Malfunction if the reverse inhibit solenoid actuator control circuit is open. |
| Reverse Position Switch | Off | This parameter displays if the manual transmission shifter is in reverse. |
| Secondary Air Injection Monitor Enabled | Yes | This parameter displays the status of the secondary air injection monitor. |
| Secondary Air Injection Pressure | kPa | This parameter displays the normalized secondary air injection system pressure. |
| Secondary Air Injection Pressure Sensor | kPa | This parameter displays the unfiltered secondary air injection system pressure. |
| Secondary Air Injection Pressure Sensor | Volts | This parameter displays the secondary air injection system pressure analog input as a percentage of its reference voltage. |
| Secondary Air Injection Pressure Sensor Variance | kPa | This parameter displays the weighted average pressure error (difference between the predicted and actual secondary air injection system pressure) during the secondary air injection on test (phase 1). |
| Secondary Air Injection Pump Relay Command | Off | This parameter displays the commanded state of the secondary air injection pump output. |
| Secondary Air Injection Pump Relay Control Circuit High Voltage Test Status | OK/Okay, Malfunction | This parameter displays the state of the secondary air injection pump relay control circuit. The parameter displays Malfunction if the secondary air injection pump relay control circuit is shorted to voltage. |
| Secondary Air Injection Pump Relay Control Circuit Low Voltage Test Status | OK/Okay, Malfunction | This parameter displays the state of the secondary air injection pump relay control circuit. The parameter displays Malfunction if the secondary air injection pump relay control circuit is shorted to ground. |
| Secondary Air Injection Pump Relay Control Circuit Open Test Status | OK/Okay, Malfunction | This parameter displays the state of the secondary air injection pump relay control circuit. The parameter displays Malfunction if the secondary air injection pump relay control circuit is open. |
| Secondary Air Injection Solenoid Valve Command | Off | This parameter displays the commanded state of the secondary air injection valve output. |
| Secondary Air Injection Solenoid Valve Control Circuit High Voltage Test Status | OK/Okay, Malfunction | This parameter displays the state of the secondary air injection solenoid valve control circuit. The parameter displays Malfunction if the secondary air injection solenoid valve control circuit is shorted to voltage. |
| Secondary Air Injection Solenoid Valve Control Circuit Low Voltage Test Status | OK/Okay, Malfunction | This parameter displays the state of the secondary air injection solenoid valve control circuit. The parameter displays Malfunction if the secondary air injection solenoid valve control circuit is shorted to ground. |
| Secondary Air Injection Solenoid Valve Control Circuit Open Test Status | OK/Okay, Malfunction | This parameter displays the state of the secondary air injection solenoid valve control circuit. The parameter displays Malfunction if the secondary air injection solenoid valve control circuit is open. |
| Short Term Fuel Pump Trim | # | This parameter displays a numeric value. This is the short term (ST) fuel pump trim. |
| Short Term Fuel Trim or Short Term Fuel Trim Bank 1 or Bank 2 |
% | This parameter displays the short-term correction to the fuel delivery by the control module in response to oxygen sensor 1 or 2. If the oxygen sensor indicates a lean air/fuel mixture, the control module will add fuel increasing the short term fuel trim above 0. If the oxygen sensor indicates a rich air/fuel mixture, the control module will reduce fuel decreasing the short term fuel trim below 0. |
| Short Term Fuel Trim Test Average or Short Term Fuel Trim Test Average Bank 1 or Bank 2 |
% | This parameter display's the filtered short term closed loop fuel correction. This value is compared to thresholds to determine if the fuel adjustment system diagnostic is passing or failing or if an excess purge vapor test should be executed. |
| Short Term Secondary O2 Sensor Fuel Trim Bank 1 or 2 | % | This parameter displays the Short Term Secondary O2 Sensor Fuel Trim for Bank 1 or 2. |
| Skip Shift Solenoid Actuator Command | No Skip | This parameter indicates that the skip shift solenoid is commanded on, inhibiting the driver from shifting up to one of the next highest gears. |
| Skip Shift Solenoid Actuator Control Circuit High Voltage Test Status | OK/Okay, Malfunction | This parameter displays the state of the skip shift solenoid actuator control circuit. The parameter displays Malfunction if the skip shift solenoid actuator control circuit is shorted to voltage. |
| Skip Shift Solenoid Actuator Control Circuit Low Voltage Test Status | OK/Okay, Malfunction | This parameter displays the state of the skip shift solenoid actuator control circuit. The parameter displays Malfunction if the skip shift solenoid actuator control circuit is shorted to ground. |
| Skip Shift Solenoid Actuator Control Circuit Open Test Status | OK/Okay, Malfunction | This parameter displays the state of the skip shift solenoid actuator control circuit. The parameter displays Malfunction if the skip shift solenoid actuator control circuit is open. |
| Specific Humidity | % | This parameter shows the current specific humidity level. |
| Starter Pinion Solenoid Actuator Relay Command | On/Off | This parameter indicates the commanded state of the Starter Pinion Solenoid Actuator relay. |
| Starter Pinion Solenoid Actuator Relay Control Circuit High Voltage Test Status | OK/Okay, Malfunction, Not Run | This parameter displays the Starter Pinior Solenoid Actuator Relay Control Circuit High Voltage Test Status. Can display OK/Okay, Malfunction, or Not Run. |
| Starter Pinion Solenoid Actuator Relay Control Circuit Low Voltage Test Status | OK/Okay, Malfunction, Not Run | This parameter displays the Starter Pinior Solenoid Actuator Relay Control Circuit Low Voltage Test Status. Can display OK/Okay, Malfunction, or Not Run. |
| Starter Pinion Solenoid Actuator Relay Control Circuit Open Test Status | OK/Okay, Malfunction, Not Run | This parameter displays the Starter Pinior Solenoid Actuator Relay Control Circuit Open Circuit Test Status. Can display OK/Okay, Malfunction, or Not Run. |
| Starter Relay Command | On/Off | This parameter indicates whether the control module is commanding the starter relay to go On or Off. |
| Starter Relay Control Circuit High Voltage Test Status | OK/Okay, Malfunction | This parameter displays the state of the starter relay control circuit. The parameter displays Malfunction if the starter relay control circuit is shorted to voltage. This parameter may not change if the scan tool is used to command the relay control circuit On. |
| Starter Relay Control Circuit Low Voltage Test Status | OK/Okay, Malfunction | This parameter displays the state of the starter relay control circuit. The parameter displays Malfunction if the starter relay control circuit is shorted to ground. This parameter may not change if the scan tool is used to command the relay control circuit On. |
| Starter Relay Control Circuit Open Test Status | OK/Okay, Malfunction | This parameter displays the state of the starter relay control circuit. The parameter displays Malfunction if the starter relay control circuit is open. This parameter may not change if the scan tool is used to command the relay control circuit On. |
| Start-Up ECT | °C (°F) | This parameter displays the temperature of the engine coolant on start-up based on input to the control module from the ECT sensor. |
| Start-Up Fuel Rail Temperature | °C (°F) | This parameter indicates the fuel rail temperature when the engine was started from the first sensor located on the fuel rail. |
| Start-Up Fuel Rail Temperature 1 | °C (°F) | This parameter indicates the fuel rail temperature when the engine was started from the first sensor located on the fuel rail. |
| Start-Up Fuel Rail Temperature 2 | °C (°F) | This parameter indicates the fuel rail temperature when the engine was started from the second sensor located on the fuel rail. |
| Start-Up IAT Sensor or Start-Up IAT Sensor 1 or 2 | °C (°F) | This parameter displays the temperature of the intake air at start in the air induction system based on input to the control module from the IAT sensor. |
| Start-Up IAT Sensor 3 | °C (°F) | This parameter indicates the intake air temperature when the engine was started. |
| Stop/Start Disable Mode | Active/Inactive/Not Available | This parameter indicates the status of the Stop/Start Disable Mode. |
| Supercharger Bypass Solenoid Valve Command | % | This parameter displays the commanded duty cycle for the supercharger boost solenoid output. |
| Supercharger Bypass Solenoid Valve Control Circuit High Voltage Test Status | OK/Okay, Malfunction | This parameter displays the state of the supercharger bypass solenoid valve control circuit. The parameter displays Malfunction if the supercharger bypass solenoid valve control circuit is shorted to voltage. |
| Supercharger Bypass Solenoid Valve Control Circuit Low Voltage Test Status | OK/Okay, Malfunction | This parameter displays the state of the supercharger bypass solenoid valve control circuit. The parameter displays Malfunction if the supercharger bypass solenoid valve control circuit is shorted to ground. |
| Supercharger Bypass Solenoid Valve Control Circuit Open Test Status | OK/Okay, Malfunction | This parameter displays the state of the supercharger bypass solenoid valve control circuit. The parameter displays Malfunction if the supercharger bypass solenoid valve control circuit is open. |
| Supercharger Inlet Pressure | kPa | This parameter displays the supercharger inlet vacuum pressure calculated as the difference between ambient air pressure (barometric pressure) and supercharger inlet absolute pressure (SCIAP). |
| Supercharger Inlet Pressure Sensor | kPa | This parameter displays the unfiltered supercharger inlet absolute pressure (SCIAP). |
| Supercharger Inlet Pressure Sensor | Volts | This parameter displays the supercharger inlet absolute pressure (SCIAP) analog input as a percentage of its reference voltage. |
| SVS Indicator Command | Off | This parameter displays that the Service Vehicle Soon lamp is being commanded on due to the failure of a non emission related diagnostic test. |
| System Off | No | This parameter displays that the vehicle is waiting for a key crank to happen (key crank not done yet). |
| TAC Forced Engine Shutdown | No | This parameter indicates the status of the TAC motor by the control module. The scan tool will display Yes if the engine has been shut down due to a throttle control fault. |
| TAC Motor | Enabled | This parameter indicates the status of the throttle actuator control (TAC) motor driver in the control module. The scan tool will display Enabled if TAC motor operation is allowed. The scan tool will display Disabled if the control module detects a condition that affects TAC motor operation. |
| TAC Motor Command | % | This parameter displays the commanded duty cycle for the throttle actuator output. |
| TCC/Cruise Control Brake Pedal Switch | Applied/Released | This parameter indicates the state of the TCC/Cruise Control Brake Pedal Switch. |
| Throttle Body Idle Air Flow Compensation | % | This parameter displays the percent compensation of the Learned Airflow Variation Calibration. This value indicates the current amount of airflow compensation in response to engine intake airflow restrictions. It can also be used as feedback for the Learned Airflow Adapts Reset Trigger Device Control. |
| Throttle Position | % | This parameter displays the desired throttle position angle commanded by the control module. |
| Throttle Position Performance Test | OK/Okay, Malfunction | Throttle Position Residual Out of Tolerance indicates that the filtered throttle position residual (the product of the MAF residual and the MAP Test 1 residual) exceeds a failure threshold. |
| Throttle Position Sensor 1 | Volts | This parameter displays the actual voltage on the TP sensor 1 signal circuit as measured by the control module. |
| Throttle Position Sensor 1 Learned Minimum | Volts | This parameter displays the learned minimum value of throttle position (TP) sensor 1 as recorded by the control module during the last learn procedure. |
| Throttle Position Sensor 1 or 2 Position | % | This parameter displays the actual voltage on the TP sensor 2 signal circuit as measured by the control module. |
| Throttle Position Sensor 2 | Volts | This parameter displays the voltage signal sent to the control module from TP sensor 2 of the throttle assembly. The TP sensor 2 is a range of values indicating a low voltage when the throttle is closed to a high voltage when the throttle plate is fully open. |
| Throttle Position Sensor 2 Learned Minimum | Volts | This parameter displays the learned minimum value of TP sensor 2 as recorded by the control module during the last learn procedure. |
| Throttle Position Sensors 1 and 2 | Agree | This parameter displays Disagree when the control module detects that TP sensor 1 voltage signal is not within the correct relationship to TP sensor 2. The scan tool displays Agree under the normal operating conditions. |
| Tire Size | Rev/km | This parameter displays the vehicle tire circumference in centimeters. |
| Torque Delivered Signal | N.m/Lb/Ft | This parameter displays the engine torque based upon the airflow through the engine and the torque losses due to spark retard and fuel shutoff. Since this is a steady state engine torque, it does not include the inertial component of engine torque. |
| Torque Management Ignition Timing Retard | Degrees | This parameter displays the total spark retard (in terms of a crankshaft angle). |
| Torque Request Inhibit - Fuel | No | This parameter displays the existing condition in the ECM causing the transmission torque request to be limited. |
| Torque Request Inhibit - Ignition Timing | No | This parameter displays the existing condition in the ECM causing the transmission torque request to be limited. |
| Torque Request Inhibit - Ignition Timing Advance | No | This parameter displays the existing condition in the ECM causing the transmission torque request to be limited. |
| Torque Request Inhibit - Minimum Idle | No | This parameter displays the existing condition in the ECM causing the transmission torque request to be limited. |
| Torque Request Inhibit - Minimum Torque | No | This parameter displays the existing condition in the ECM causing the transmission torque request to be limited. |
| Torque Request Inhibit - TAC | No | This parameter displays the existing condition in the ECM causing the transmission torque request to be limited. |
| Torque Request Inhibit - TAC Limit | No | This parameter displays the existing condition in the ECM causing the transmission torque request to be limited. |
| Total Alternative Fuel Level Percentage | % | This parameter displays the undefaulted, total alternative fuel level as a percentage of the rated (advertised) capacity of the alternative fuel tank(s). |
| Total Engine Mass Air Flow | g/s | This parameter indicates the engine mass airflow. |
| Total Engine Overspeed Time | ms | This parameter displays the Total Engine Overspeed Time. |
| Total Knock Retard | Degrees | This parameter displays how much ignition spark timing is being retarded due to all control systems monitored by the control module. |
| Total Misfire | # | This parameter displays the total number of cylinder firing events that the control module detected as misfires for the last 200 crankshaft revolution sample period. |
| Traction Control Axle Torque Request Signal | N.m (lb ft) | This parameter indicates the axle torque requested by the traction control module. |
| Traction Control Status | Inactive | This parameter displays Active if the electronic brake and traction control module (EBTCM) is commanding traction control. |
| Transmission Fluid Pressure Accumulator Solenoid Valve Command | On/Off | This parameter displays the position of the Transmission Fluid Pressure Accumulator Solenoid Valve Control. |
| Transmission Fluid Pressure Accumulator Solenoid Valve Control Circuit High Voltage Test Status | OK/Okay, Malfunction, Not Run | This parameter displays the state of the Transmission Fluid Pressure Accumulator Solenoid Valve Control Circuit. The parameter displays Malfunction if the Transmission Fluid Pressure Accumulator Solenoid Valve Control Circuit is shorted to voltage. |
| Transmission Fluid Pressure Accumulator Solenoid Valve Control Circuit Low Voltage Test Status | OK/Okay, Malfunction, Not Run | This parameter displays the state of the Transmission Fluid Pressure Accumulator Solenoid Valve Control Circuit. The parameter displays Malfunction if the Transmission Fluid Pressure Accumulator Solenoid Valve Control Circuit is shorted to ground. |
| Transmission Fluid Pressure Accumulator Solenoid Valve Control Circuit Open Test Status | OK/Okay, Malfunction, Not Run | This parameter displays the state of the Transmission Fluid Pressure Accumulator Solenoid Valve Control Circuit. The parameter displays Malfunction if the Transmission Fluid Pressure Accumulator Solenoid Valve Control Circuit is open. |
| Transmission Fluid Temperature Sensor | °C (°F) | This parameter displays the undefaulted, unfiltered transmission oil/fluid temperature measured by a sensor. |
| Turbocharger 1 Turbine Inlet Valve Control Circuit High Voltage Test Status | OK/Okay, Malfunction | This parameter displays the state of the turbocharger 1 turbine inlet valve control circuit. The parameter displays Malfunction if the turbocharger 1 turbine inlet valve control circuit is shorted to voltage. |
| Turbocharger 1 Turbine Inlet Valve Control Circuit Open Test Status | OK/Okay, Malfunction | This parameter displays the state of the turbocharger 1 turbine inlet valve control circuit. The parameter displays Malfunction if the turbocharger 1 turbine inlet valve control circuit is open. |
| Turbocharger 1 Turbine Inlet Valve Duty Cycle | % | This parameter displays the commanded duty cycle for the turbocharger 1 turbine inlet valve in a percentage. |
| Turbocharger Bypass Solenoid Valve Command | % | This parameter displays the commanded duty cycle for the turbocharger bypass solenoid valve in a percentage. |
| Turbocharger Bypass Solenoid Valve Control Circuit High Voltage Test Status | OK/Okay, Malfunction | This parameter displays the state of the turbocharger bypass solenoid valve control circuit. The parameter displays Malfunction if the turbocharger bypass solenoid valve control circuit is shorted to voltage. |
| Turbocharger Bypass Solenoid Valve Control Circuit Low Voltage Test Status | OK/Okay, Malfunction | This parameter displays the state of the turbocharger bypass solenoid valve control circuit. The parameter displays Malfunction if the turbocharger bypass solenoid valve control circuit is shorted to ground. |
| Turbocharger Bypass Solenoid Valve Control Circuit Open Test Status | OK/Okay, Malfunction | This parameter displays the state of the turbocharger bypass solenoid valve control circuit. The parameter displays Malfunction if the turbocharger bypass solenoid valve control circuit is open. |
| Turbocharger Wastegate Solenoid Valve Command | % | This parameter displays the commanded duty cycle for the turbocharger wastegate solenoid valve in a percentage. |
| Turbocharger Wastegate Solenoid Valve Control Circuit High Voltage Test Status | OK/Okay, Malfunction | This parameter displays the state of the turbocharger wastegate solenoid valve control circuit. The parameter displays Malfunction if the turbocharger wastegate solenoid valve control circuit is shorted to voltage. |
| Turbocharger Wastegate Solenoid Valve Control Circuit Low Voltage Test Status | OK/Okay, Malfunction | This parameter displays the state of the turbocharger wastegate solenoid valve control circuit. The parameter displays Malfunction if the turbocharger wastegate solenoid valve control circuit is shorted to ground. |
| Turbocharger Wastegate Solenoid Valve Control Circuit Open Test Status | OK/Okay, Malfunction | This parameter displays the state of the turbocharger wastegate solenoid valve control circuit. The parameter displays Malfunction if the turbocharger wastegate solenoid valve control circuit is open. |
| Upshift Indicator Command | Off | This parameter displays On when commanded by the engine control module. |
| Variable Valve Lift Low Lift Disable History 1 - 8 | Varies | This parameter displays the reason for the last 8 variable valve lift disable history reasons. |
| Variable Valve Lift Low Lift Inhibit - Reason | Varies | This parameter lists the reason the variable valve lift low lift may be inhibited. These include; 4WD Low State Invalid, A/C Compressor Clutch On, Acceleration Request, Brake Booster Pressure Sensor DTC, Brake Booster Weak Vacuum, Calculated Torque, Camshaft Position Sensor DTC, Control Function Active, Crankshaft Position Sensor DTC, ECT, ECT Sensor DTC, Engine Controls Ignition Relay DTC, Engine Not Synchronized, Engine Off, Engine Oil Pressure, Engine Oil Pressure Control Solenoid Valve Stuck Off, Engine Oil Pressure Control Test Active, Engine Oil Pressure Sensor DTC, Engine Oil Temperature, Engine Overtemperature Protection, Engine Power Not Requested, Engine Speed, Engine Torque Capacity, Fuel Alcohol Content Learn In Progress, Fuel Alcohol Content Too High, Fuel System Disabled, Green Engine Mode, HO2S 2 Test, Hot Coolant Mode, Hybrid/EV Powertrain Control Module Request, IAT Sensor DTC, Ignition Voltage, MAP Sensor DTC, Maximum Throttle Exceeded, Minimum Time After TAC DTC, Misfire DTC, Oil Aeration. On-Board Diagnostic System, Rocker Arm Solenoid Valve DTC, RPM Limit, TAC System DTC, Transmission Gear, Transmission Range, Transmission Shifting, Vehicle Speed Too Low, VSS DTC. |
| Variable Valve Lift System Command | Low Lift | This parameter displays the current state of the variable valve lift system command. |
| Vehicle Speed Sensor | Km/h mph |
This parameter displays the speed of the vehicle as calculated by the transmission control module (TCM) from information received from the vehicle speed sensor (VSS). |
| Vehicle Speed When Engine Overspeed Detected | Km/h mph |
This parameter displays the Vehicle Speed When Engine Overspeed Detected. |
| VIN Programming Counter | Counts | This parameter displays the number of times the VIN has been programmed. This counter can only be incremented. |
| Warm Ups Since DTC Cleared | Counts | This parameter indicates the number of warm up cycles that have occurred Since DTCs were cleared. The scan tool will display a higher counts as more warm up cycles have occurred since the DTCs were cleared. |
| Warm Ups without Emission Malfunctions | Counts | This parameter displays the number of OBD defined warm up cycles since the last emissions related (fault type A or B) fail report or MIL request. Emissions related DTCs are cleared from memory when this counter reaches 40. |
| Warm Ups without Non Emission Malfunctions | Counts | This parameter displays the number of OBD defined warm up cycles since the last non emissions related (fault type C) fail report. Non emissions related DTCs are cleared from memory when this counter reaches 40. |
| Weight Percent Water in Air | % | This parameter displays the calculated value of weight per cent water (specific humidity) in the intake air. |
| Wide Open Throttle | No | This parameter displays the throttle status commanded by the control module. The scan tool will display Yes if the vehicle throttle is commanded to 100 percent. |
| Wide Open Throttle | No | This parameter displays the desired throttle position exceeds a WOT threshold (selected specifically for service). |
Engine Control Module (ECM) Scan Tool Output Controls
| Output Control | Description |
|---|---|
| This is a comprehensive list. Not all output controls listed are available for all applications. | |
| A/C Compressor Clutch Relay | This device control is used to override the state of the air conditioning compressor output. |
| Active Grill Air Shutter 1 or 2 Commanded Position | This device control is used to command the position of the active grill air shutter 1 or 2 output. 0% equals fully closed, 100% equals fully open. |
| Alternative Fuel High Pressure Shutoff Valve Control | This device control is used to override the state of the alternative fuel shutoff valve 1 output. |
| Alternative Fuel Injector Disable Control | This device control is used with the engine running to override the state of the alternative fuel injector outputs. This device control is used to disable alternative fuel injectors in order to cut off alternative fuel to the associated cylinders. |
| Alternative Fuel Injector Flow Control | This device control is used to trigger a single Alternative fuel injector to be commanded on for a calibrated number of pulses (e.g. 25) in order to test the flow of the Alternative fuel injector. |
| Alternative Fuel Low Pressure Shutoff Valve Control | This device control is used to verify functionality of the Alternative Fuel Low Pressure Fuel Shutoff Valve system by allowing the Alternative Fuel Low Pressure Fuel Shutoff Valve output to be commanded to a specific Alternative Fuel Rail Pressure. |
| Alternative Fuel System Leak Test - Service Bay Test | This device control will signal the ECM to begin the Alternative Fuel System Leak Test. |
| Autostop/Autostart | This device control is used to override the internal combustion engine (ICE) running state. |
| BiFuel System - Fuel Mode Selection | When this CPID is active, the fuel mode is commanded to the selection made in "Fuel Mode Selection." |
| Brake Pedal Position Learn | This device control is used to reset the brake pedal fully released learned position to its initialized value after a brake system repair. |
| Camshaft Profile Actuator Stuck On Reset | This device control is used to reset a latched default action when the camshaft profile actuator control is stuck on. The device control will work in conjunction with the vehicle diagnostics to ensure a proper system check before allowing normal vehicle operation. |
| Camshaft Profile Actuator System | This device control is used to override the state |
| Compression Test | This device control is used to set up the internal combustion engine for a compression test. The fuel pump, fuel injectors, and spark are all disabled. The throttle is opened to a Wide Open Throttle (WOT) position. For conventional engine vehicles, the extended crank feature is not active, and for strong hybrid vehicles, the Hybrid Powertrain Control Module is configured to crank at the speed specified in the device control command. Engine cranking is completely controlled by the technician either through the ignition key or through a remote starter switch as applicable. The device control limits and rejects will apply normally upon entry to the device control. Once the device control is active, the limits will be monitored (to prevent unwanted starter operation, for example), but in the case of a limit exceeded or a tester disconnect, device control of the fuel and spark will not be released until the Power Mode switches to Accessory or OFF. This will prevent unexpected fuel and spark operation in the case of a device control abort. |
| Coolant Fill | This device control is used to start an automatic coolant fill service routine that will ensure proper fill and de-aeration of the cooling system. |
| Cooling Fan Relay 1 | This function activates the cooling fan relay 1. The normal commanded state of the fan relay is NONE. The relay command status can also be monitored on the scan tool data parameter Cooling Fan Relay 1 Command. The control module allows cooling fan relay control when the following conditions are met:
|
| Cooling Fan Relay 1, 2 and 3 | This function activates the cooling fan relay 1, 2 and 3. The normal commanded state of the fan relays is NONE. The relay command status can also be monitored on the scan tool data parameters Cooling Fan Relay 1 Command and Cooling Fan Relays 2 and 3 Command. The control module allows cooling fan relay control when the following conditions are met:
|
| Cooling Fan 2 and 3 | This function activates the cooling fan relay 2 and relay 3. The normal commanded state of the fan relays is NONE. The relay command status can also be monitored on the scan tool data parameter 2 and 3 Command. The control module allows cooling fan relay control when the following conditions are met:
|
| Crankshaft Position Variation Learn | This device control is used to activate the crankshaft position variation learn algorithm which calculates the reference pulse correction factors for the misfire diagnostic. |
| Cylinder Power Balance |
NOTE:
This function disables the selected fuel injector. The normal commanded state is None. The scan tool initiates the test when the following conditions are met:The Misfire Current and Misfire History parameters may not increment when using this function.
|
| Cylinder 1 - 4 Exhaust Camshaft Profile Sleeve | This device control is used to override the state. In order to command Deactivate on the B camshaft, the A camshaft profile for the same cylinder must be commanded to Deactivate. |
| Cylinder 1 - 4 Intake Camshaft Profile Sleeve | This device control is used to override the state. Upon return to normal control, the system shall actuate the camshaft profile control sleeve as necessary to the system desired position. |
| Depressurize Fuel System | When the low pressure fuel pump is used in conjunction with a separate high pressure fuel pump for Direct Injection (DI) engines, this device control can be used to reduce the high fuel pressure to a low working level. The high fuel pressure control shall monitor the low pressure "Fuel Pump Device Control with Engine Running" such that when the low pressure pump is commanded OFF the high pressure pump will be controlled to a low pressure value. This combination shall be held until either the FPMR device control is released, or the engine stalls. |
| Engine Controls Ignition Relay | This device control is used to override the state of the Powertrain Relay. |
| Engine Coolant Thermostat Heater | This device control is used to override the state of the Engine Coolant Thermostat Heater. |
| Engine Oil Life Reset | This DID contains the engine oil remaining life determined from an algorithm based upon the effective engine revolutions and the distance driven since the last oil change. This DID may be used to reset the engine oil remaining life to 100 % after an oil change or to any other value when replacing a control module. |
| Engine Oil Pressure Control Solenoid Valve | This device control is used to override the state of the variable displacement oil pump. When the variable displacement oil pump is turned on, the oil pump will be commanded to a low pressure state. |
| Engine Speed | This function controls the idle speed override in 25 RPM, 100 RPM, and 500 RPM increments, from the base idle speed to 1, 400 RPM. The scan tool initiates the test when the following conditions are met:
The engine speed will remain in the commanded state until cancelled by the scan tool. |
| EVAP Purge/Seal |
NOTE:
This function activates both the EVAP purge solenoid valve and EVAP vent solenoid to seal the EVAP system. When activated, the purge valve is commanded to 0 percent and the vent valve is commanded ON, Not-venting. The normal commanded state for both solenoids is None. Both of the solenoids remain in the commanded state until cancelled by the scan tool or the FTP sensor exceeds -24 mm Hg (-12 inch H20).The EVAP Purge and Vent Solenoid Command parameters may not change states when using this output control. |
| EVAP Purge Solenoid Valve |
NOTE:
This function controls the evaporative emission (EVAP) purge solenoid valve. The normal commanded state is NONE. The system will increase or decrease the amount of purge by changing the duty cycle of the purge valve in 10 percent increments within a range of 0 - 100 percent. The system remains in the commanded state until cancelled by the scan tool or the fuel tank pressure (FTP) sensor exceeds -24 mm Hg (-12 inch H20).The EVAP Purge Solenoid Command parameter may not change states when using this output control. |
| EVAP Test | This device control is used to activate the evaporative emissions service bay test. |
| EVAP Vent Solenoid Valve |
NOTE:
This function controls the EVAP vent solenoid. The normal commanded state is NONE. When commanded ON, the vent valve switches to Not-venting. The system remains in the commanded state unless one of the following conditions occur:The EVAP Vent Solenoid Command parameter may not change states when using this output control.
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| Excessive Clutch Slip Data Reset | This device control is used to reset all clutch slip detection values. |
| Exhaust Camshaft Position Actuator or Exhaust Camshaft Position Actuator Bank 1 |
This device control is used to override the state of the exhaust cam phase output. The commanded camshaft position is expressed in terms of degrees of camshaft rotation (retard for exhaust camshaft) from the park position (a camshaft position of zero represents the park position). |
| Exhaust Camshaft Position Actuator or Exhaust Camshaft Position Actuator Bank 2 |
This device control is used to override the state of the exhaust cam phase output. The commanded camshaft position is expressed in terms of degrees of camshaft rotation (retard for exhaust camshaft) from the park position (a camshaft position of zero represents the park position). |
| Exhaust Camshaft Position Actuator Solenoid Valve or Exhaust Camshaft Position Actuator Solenoid Valve Bank 1 |
This device control is used to override the state of the exhaust cam phase solenoid output. |
| Exhaust Camshaft Position Actuator Solenoid Valve or Exhaust Camshaft Position Actuator Solenoid Valve Bank 2 |
This device control is used to override the state of the exhaust cam phase solenoid output. |
| Exhaust Camshaft Profile Actuator | This device control is used to override the state of the B camshaft profile actuator control outputs. The device control is intended as an electrical test and is only allowed with the actuator connector disconnected. This is confirmed by having the open circuit fault active for the camshaft profile actuator position sensor and at least one of the two camshaft profile actuator control outputs on the actuator assembly the device control is being requested for. |
| Fuel Composition Reset |
NOTE:
Do not use this output control unless the actual alcohol content of the fuel in the tank is 10 percent or less. This will reset the learned alcohol composition to 0 percent in the engine control module (ECM). |
| Fuel Control Loop Status | This function controls the heated oxygen sensor (HO2S) loop status. The commanded states include NONE, OPEN, and CLOSED. The normal commanded state is NONE. The loop status changes as commanded, OPEN or CLOSED. The system remains in the commanded state until cancelled by the scan tool. |
| Fuel Injector Balance Test (If Available) | This function enables the fuel injector in order to verify the correct fuel injector flow. The ECM will pulse the selected fuel injector when the following conditions are met:
The selected fuel injector can only be flowed/pulsed once per ignition cycle. |
| Fuel Mode Indicator Lamp System | This device control is used to verify the functionality of the Fuel Mode Indicator Lamp. |
| Fuel Pressure | This function allows control of the fuel rail pressure (FRP) regulator which is integral to the high pressure fuel pump. The system will Increase or Decrease the fuel rail pressure in increments, as commanded within an approximate range of 1862 - 17, 237 kPa (270 - 2500 psi). The scan tool initiates the test when the following conditions are met:
The system remains in the commanded state for about 30 seconds or until cancelled by the scan tool or the ECM detects a vehicle speed. |
| Fuel Pressure Regulator |
NOTE:
This device control is intended for use on a Direct Injection (DI) high pressure fuel supply system to activate the fuel pressure regulator at ignition ON, engine OFF. Both the low side and high side of the regulator are controlled together. Commanding the regulator to ON will modulate the high side driver to a calibratible Maximum Duty Cycle.As this is an electrical circuit test, a regulator solenoid commanded to ON does not necessarily equate to the regulator state at maximum fuel pressure. |
| Fuel Pump Enable | This function controls the fuel pump. The normal commanded state is NONE. The scan tool initiates the test when the following conditions are met:
When commanded ON/OFF, the engine control module (ECM) turns the fuel pump ON/OFF. If the engine is running and the fuel pump is commanded OFF, the engine will stall. The system remains in the commanded state for about 2 seconds or until cancelled by the scan tool or the ECM detects a vehicle speed. |
| Fuel Pump Speed | This device control is used to override the normal control of the fuel pump output. The device control is a service diagnostic aid that is used to determine if the fuel pump system is functioning properly. Different limit checks are used when the engine is and is not running for the operation of the fuel pump. |
| Fuel Rail Pressure | This device control is intended for use on a Direct Injection (DI) high pressure fuel supply system to override the commanded fuel high pressure output from the powertrain controller. |
| Fuel Trim Enable | This function disables the control modules ability to learn new fuel trim parameters. The commanded states are NONE, ENABLED, DISABLED. The normal commanded state is NONE. The system remains in the commanded state until cancelled by the scan tool. |
| Fuel Trim Reset | This function is used to reset the learned fuel trim values to their initial values. |
| Generator L-Terminal | Commands the generator L terminal ON and OFF. |
| Heater Coolant Pump | This device control is used to override the state of the heater core pump relay output. |
| HO2S Heater Sensor 1 or HO2S Heater Bank 1 Sensor 1 |
This device control is used to override the duty cycle of the oxygen sensor heaters. With the engine OFF, this device control is intended to be used as a discrete control for circuit diagnosis. With the engine OFF, none of the oxygen sensor heaters can be commanded ON for more than 3.0 seconds, after which the selected oxygen sensor heater must be disabled for a limited duration (typically 60 seconds) before it may be enabled again. With the engine running, this device control is used to operate the oxygen sensor heaters at the various duty cycles available to the engine controller. |
| HO2S Heater Sensor 2 or HO2S Heater Bank 1 Sensor 2 |
This device control is used to override the duty cycle of the oxygen sensor heaters. With the engine OFF, this device control is intended to be used as a discrete control for circuit diagnosis. With the engine OFF, none of the oxygen sensor heaters can be commanded ON for more than 3.0 seconds, after which the selected oxygen sensor heater must be disabled for a limited duration (typically 60 seconds) before it may be enabled again. With the engine running, this device control is used to operate the oxygen sensor heaters at the various duty cycles available to the engine controller. |
| HO2S Heater Bank 2 Sensor 1 | This device control is used to override the duty cycle of the oxygen sensor heaters. With the engine OFF, this device control is intended to be used as a discrete control for circuit diagnosis. With the engine OFF, none of the oxygen sensor heaters can be commanded ON for more than 3.0 seconds, after which the selected oxygen sensor heater must be disabled for a limited duration (typically 60 seconds) before it may be enabled again. With the engine running, this device control is used to operate the oxygen sensor heaters at the various duty cycles available to the engine controller. |
| HO2S Heater Bank 2 Sensor 2 | This device control is used to override the duty cycle of the oxygen sensor heaters. With the engine OFF, this device control is intended to be used as a discrete control for circuit diagnosis. With the engine OFF, none of the oxygen sensor heaters can be commanded ON for more than 3.0 seconds, after which the selected oxygen sensor heater must be disabled for a limited duration (typically 60 seconds) before it may be enabled again. With the engine running, this device control is used to operate the oxygen sensor heaters at the various duty cycles available to the engine controller. |
| HO2S Heater Learn | This device control is used to trigger the reset of the learned resistances for the oxygen sensor heaters following a replacement in service. The learned resistances are reset to a calibration used to prevent overheating of the sensors until more accurate resistances may be learned following an extended engine OFF time (typically 12 or more hours). |
| Idle Ignition Timing | Disables and enables idle spark advance with the engine running. |
| Idle Learn | This function allows the throttle position and the idle speed to be relearned by the ECM, once the following conditions have been met.
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| Ignition Timing Retard | This device control is used to retard the spark angle from the software calculated spark angle. For example, if the software calculated spark angle was 15 degrees advanced and this device control requested a 3 degree retard, the commanded spark angle that would be delivered would be 12 degrees advanced. |
| Intake Air Heater | This device control is used to override the state of the intake air heater. |
| Intake Camshaft Position Actuator or Intake Camshaft Position Actuator Bank 1 |
This device control is used to override the state of the intake cam phase output. The commanded camshaft position is expressed in terms of degrees of camshaft rotation (advance for intake camshafts) from the park position (a camshaft position of zero represents the park position). |
| Intake Camshaft Position Actuator or Intake Camshaft Position Actuator Bank 2 |
This device control is used to override the state of the intake cam phase output. The commanded camshaft position is expressed in terms of degrees of camshaft rotation (advance for intake camshafts) from the park position (a camshaft position of zero represents the park position). |
| Intake Camshaft Position Actuator Solenoid Valve or Intake Camshaft Position Actuator Solenoid Valve Bank 1 |
This device control is used to override the state of the intake cam phase solenoid output. |
| Intake Camshaft Position Actuator Solenoid Valve or Intake Camshaft Position Actuator Solenoid Valve Bank 2 |
This device control is used to override the state of the intake cam phase solenoid output. |
| Intake Camshaft Profile Actuator | This device control is used to override the state of the A camshaft profile actuator control outputs. The device control is intended as an electrical test and is only allowed with the actuator connector disconnected. This is confirmed by having the open circuit fault active for the camshaft profile actuator position sensor and at least one of the two camshaft profile actuator control outputs on the actuator assembly the device control is being requested for. |
| Intake Rocker Arm Solenoid Valve 1 - 2 or 1 and 2 | When the engine is running, this device control may be used to command intake valve opening to low or high (high being default when the solenoid is not energized) valve lift mode either in cylinder pairs or as a system. |
| Malfunction Indicator Lamp (MIL) | This function controls the malfunction indicator lamp (MIL). The normal commanded state is NONE. When commanded ON/OFF, the ECM turns the MIL ON/OFF. The system remains in the commanded state until cancelled by the scan tool. |
| Mass Air Flow Sensor Supply Voltage | This device control is used to override the state of the mass air flow sensor supply voltage output. |
| Misfire Graphic | This function clears the misfire graphics from the scan tool. |
| Oil Life Reset | This output control is used to reset the engine oil life monitor from 0 to 100 %. |
| Remote Vehicle Start Disable History Reset | This function clears the remote vehicle start (RVS) disable history. When RESET is selected the reason the control module did not allow RVS in the last 8 attempts is cleared. |
| Secondary Air Injection Pump Relay | This device control is used to turn the AIR Pump ON or OFF. |
| Secondary Air Injection Solenoid Valve | This device control is used to turn the AIR Valve ON or OFF. |
| Secondary Air Injection Test | This device control is used to trigger the secondary air injection (SAI) diagnostic service bay test, which causes the on board SAI diagnostic to execute until it is completed or aborted. |
| Starter Relay (If Available) | Commands the starter relay ON and OFF. |
| Throttle Position | This device control is used to override the commanded throttle position. |
| Throttle Sweep | This function moves the Throttle plate slowly from a closed position to wide open position, aiding diagnosis of TAC motor. |
| Transmission Fluid Pressure Accumulator Solenoid Valve | This device control is used to override the state of the Transmission Fluid Pressure Accumulator Solenoid Valve. |
| Turbocharger Bypass Solenoid Valve | This device control is used to control the duty cycle for the turbocharger A compressor bypass. |
| Turbocharger Wastegate Solenoid Valve | This device control is used to control the duty cycle for the turbocharger A wastegate. |