Scan Tool Data Definitions

8 Digit GM Part Number: The scan tool displays the part number of the control module.
ABS Active: The scan tool displays Yes or No. The active status of the ABS. Indicates if ABS is currently active.
ABS Failed: The scan tool displays Yes or No. The failed status of the ABS. Indicates if the EBCM disabled ABS due to a malfunction.
ABS Failed Lamp Command: The scan tool displays Off or On. Indicates if the EBCM is commanding the ABS indicator ON.
ABS Reference Speed: The scan tool displays 0 to 255 km/h (0 to 159 mph). The vehicle speed from the average of all four wheel speeds.
ABS Warning Indicator: The scan tool displays Off or On. Indicates if the EBCM is commanding the ABS indicator.
Battery Voltage: The scan tool displays 0-30 Volts. The voltage measured between the module's battery positive voltage circuit and ground circuit.
Brake Temp Status: The scan tool displays Normal or Over Temp. The status of the brake temperature. Indicates if the brake temperature is above the traction control thermal cutoff point. If brake temperatures are above the thermal cutoff point, Over Temp is displayed and traction control is temporarily suspended until the brake temperature cools below the cutoff. This feature is used to maintain braking effectiveness if the base braking system is required. Overly heated brakes could result in brake fade.
Calibration ID: The scan tool displays the 4 digit calibration ID of the control module.
CVRSS Equipped: The scan tool displays Yes or No. Indicates if the vehicle is equipped with road sensing suspension.
DE Base Part Number: The scan tool displays the base part number of the EBCM.
DE Build Sequence Number: The scan tool displays the number in order that the EBCM was built.
DE Calibration Part Number: The scan tool displays the calibration part number of the EBCM.
DE End Model Part Number: The scan tool displays the end model part number of the EBCM.
DE ROM Part Number: The scan tool displays the ROM part number of the EBCM.
Delivered Torque PWM Duty Cycle: The scan tool displays 0 to 100%. The duty cycle of the delivered torque signal. The duty cycle of the signal is used to transmit how much engine torque the PCM is delivering. Normal values are between 10 and 90 percent duty cycle. The signal is at low values (approximately 10 percent) at idle and at higher values under driving conditions.
DRP Active: The scan tool displays Yes or No. The active status of the DRP. Indicates if DRP is currently active.
DRP Disabled: The scan tool displays Yes or No. The failed status of the DRP. Indicates if the EBCM disabled DRP due to a malfunction.
Dual Analog SWPS Input A: The scan tool displays 0 to 5 volts. The steering wheel position signal A input.
Dual Analog SWPS Input B: The scan tool displays 0 to 5 volts. The steering wheel position signal B input.
Engine RPM: The scan tool displays 0 to 9,999 RPM. The crankshaft rotation speed.
Engine Type: The scan tool displays the type of the engine in the vehicle.
Estimated Trans. Gear: The scan tool displays Park, Reverse, Neutral, First, Second, Third, or Fourth. The estimated state of the transmission gear.
Extended Travel Brake Switch: The scan tool displays Applied or Released. The state of the extended travel brake switch.
Ignition Voltage: The scan tool displays 0 to 17 volts. The level of ignition voltage at the EBCM.
Intake Air Temperature: The scan tool displays -40 to +151°C (-40 to +304°F). The temperature of the intake manifold air.
Julian Date Code: The scan tool displays year and day. The first digit indicates the last digit of the year that the EBCM was built. The remaining 3 digits indicate the day of the year that the EBCM was built.
Lateral Acceleration: The scan tool displays -1.2 to +1.2 g. The lateral acceleration from the lateral accelerometer signal.
Lateral Accelerometer Input: The scan tool displays 0 to 5 volts. The lateral accelerometer signal from the lateral accelerometer sensor, roughly 2.5 volts equals 0 g lateral acceleration.
Lateral Accelerometer - Engineering Units: The scan tool displays -1.2 to +1.2 g. The lateral acceleration of the lateral accelerometer signal.
LF Normal Force: The scan tool displays 20%, 40%, 60%, and 80% High. The percent duty cycle of the left front normal force signal sent by the electronic suspension control module.
LF Rotor Temperature: The scan tool displays -40 to +650°C (-40 to +1202°F). The estimated temperature of the left front brake rotor.
LF Wheel Speed: The scan tool displays 0 to 255 km/h (0 to 159 mph). The actual speed of the left front wheel.
LR Wheel Speed: The scan tool displays 0 to 255 km/h (0 to 159 mph). The actual speed of the left rear wheel.
Manufacturing Shift Info.: The scan tool displays the shift when the EBCM was built.
Manufacturing Site: The scan tool displays the location where the EBCM was built.
Powertrain TCS Failure: The scan tool displays Yes or No. Indicates if the PCM has suspended TCS due to a malfunction related to TCS.
PROM ID: The scan tool displays the 4 digit PROM ID of the EBCM.
Pump Motor Feedback Voltage: The scan tool displays 0 to 17 volts. The voltage available to the pump motor when the pump motor control relay is energized.
Pump Motor Relay Commanded State: The scan tool displays Off or On. Indicates the commanded state of the pump motor control.
Pump Motor Relay Feedback State: The scan tool displays Off or On. Indicate the actual state of the pump motor control.
Red Brake Warning Indicator: The scan tool displays Off or On. Indicates if the red Brake warning indicator is currently ON.
Requested Torque PWM Duty Cycle: The scan tool displays 0 to 100%. The duty cycle of the requested torque signal. The duty cycle of the signal is used to transmit how much torque the EBCM is requesting the PCM to deliver. Normal values are between 10 and 90 percent duty cycle. The signal should be at 90 percent duty cycle when traction control is not active and at lower values (approximately 10 percent) when traction control is active.
RF Rotor Temperature: The scan tool displays -40 to +650°C (-40 to +1202°F). The estimated temperature of the right front brake rotor.
RF Wheel Speed: The scan tool displays 0 to 255 km/h (0 to 159 mph). The actual speed of the right front wheel.
RF Normal Force: The scan tool displays 20%, 40%, 60%, and 80% High. The percent duty cycle of the right front normal force signal sent by the electronic suspension control module.
Rough Road Parameter: The scan tool displays 0 to 1 g. The EBCM calculation of the road surface, this information is sent to the PCM via serial data messages. The PCM uses this information for misfire detection.
RR Wheel Speed: The scan tool displays 0 to 255 km/h (0 to 159 mph). The actual speed of the right rear wheel.
Service Stability System: The scan tool displays Off or On. Indicates if the EBCM is commanding the Service Stability System message to be displayed on the DIC.
Solenoid Relay Commanded State: The scan tool displays Off or On. Indicates the commanded state of the system relay.
Solenoid Relay Feedback State: The scan tool displays Off or On. Indicates the actual state of the system relay.
Stability System Active: The scan tool displays Off or On. Indicates if the EBCM is commanding the Stability System Active message to be displayed by the DIC.
State of Health Present: The scan tool displays Yes or No. Indicates if the EBCM is sending the proper state of health messages.
Steering Sensor Output to CVRSS: The scan tool displays 0 to 100%. The percent duty cycle of the steering wheel position signal sent by the EBCM to the electronic suspension control module.
Steering Wheel Angle: The scan tool displays -720 to +720 degrees. The angle that the steering wheel is turned in degrees.
Stop Lamp Switch: The scan tool displays Applied or Released. The state of the brake switch.
Suspension Failure Status: The scan tool displays Fault or No Fault. The status of the road sensing suspension.
Switched System Battery Voltage: The scan tool displays 0 to 17 volts. The level of the internal EBCM switched battery voltage available to the solenoid valves and pump motor.
System Power Mode: The scan tool displays Run, Crank, Accessory, Unlock, Off Awake, RAP Unlock, or RAP. The state of the ignition as reported by the dash integration module (DIM).
TCC/Brake Switch Active: The scan tool displays Yes or No. The state of the brake switch.
TCS Active: The scan tool displays Yes or No. The active status of the TCS. Indicates if TCS is currently active.
TCS Active Indicator/Message: The scan tool displays Off or On. Indicates if the EBCM is commanding the Traction Engaged message to be displayed by the DIC.
TCS Active Message Command: The scan tool displays Off or On. Indicates if the EBCM is commanding the Traction Engaged message to be displayed by the DIC.
TCS Equipped: The scan tool displays Yes or No. Indicates if the vehicle is equipped with TCS.
TCS Failed: The scan tool displays Yes or No. The failed status of the TCS. Indicates if the EBCM disabled TCS due to a malfunction.
TCS Failed Lamp Command: The scan tool displays Off or On. Indicates if the EBCM is commanding the Traction Control indicator ON.
TCS Off Indicator/Message: The scan tool displays Off or On. Indicates if the EBCM is commanding the Traction message to be displayed by the DIC.
TCS On/Off Switch: The scan tool displays Was Pressed. Indicates if the traction control switch was pressed.
TCS Switch: Display Off or On. Indicates the status of the traction control switch.
TCS Warning Indicator/Message: The scan tool displays Off or On. Indicates if the EBCM is commanding the Traction Control indicator ON.
Temporary Inhibit of TCS: The scan tool displays Yes or No. Indicates if the EBCM has suspended TCS due to a malfunction or the driver using the traction control switch.
Torque Delivered Signal: The scan tool displays 0 to 100%. The duty cycle of the delivered torque signal. The duty cycle of the signal is used to transmit how much engine torque the PCM is delivering. Normal values are between 10 and 90 percent duty cycle. The signal is at low values (approximately 10 percent) at idle and at higher values under driving conditions.
Torque Request Signal: The scan tool displays 0 to 100%. The duty cycle of the requested torque signal. The duty cycle of the signal is used to transmit how much torque the EBCM is requesting the PCM to deliver. Normal values are between 10 and 90 percent duty cycle. The signal should be at 90 percent duty cycle when traction control is not active and at lower values (approximately 10 percent) when traction control is active.
TPS - Pedal Position: The scan tool displays 0 to 100%. The throttle angle. The display should read 0% at idle and 100% at wide open throttle.
Traction Control Status: The scan tool displays Active or Inactive. The active status of the TCS. Indicates if TCS is currently active.
Traction Ready Message Command: The scan tool displays Off or On. Indicates if the EBCM is commanding the Traction Ready message to be displayed by the DIC.
Traction Suspended Message Comm.: The scan tool displays Off or On. Indicates if the EBCM is commanding the Traction Suspended message to be displayed by the DIC.
Transmission Type: The scan tool displays the type of the transmission in the vehicle.
Vehicle Yaw Rate - Engineering Units: The scan tool displays -75 to +75°/second. The yaw rate of the yaw rate signal.
VIN Packet No. 2: The scan tool displays the VIN packet No. 2.
VSES Active: The scan tool displays Yes or No. The active status of the VSES. Indicates if VSES is currently active.
VSES Active Indicator/Message: The scan tool displays Off or On. Indicates if the EBCM is commanding the Stability System Active message to be displayed by the DIC.
VSES Equipped: The scan tool displays Yes or No. Indicates if the vehicle is equipped with VSES.
VSES Failed: The scan tool displays Yes or No. The failed status of the VSES. Indicates if the EBCM disabled VSES due to a malfunction.
VSES Failed Indicator/Message: The scan tool displays Yes or No. Indicates if the EBCM is commanding the Service Stability System message to be displayed by the DIC.
VSES Is Centered: The scan tool displays Yes or No. Indicates if the steering wheel is centered.
Yaw Rate Sensor Input: The scan tool displays 0 to 5 volts. The yaw rate signal from the yaw rate sensor, roughly 2.5 volts equals 0 °/second yaw rate.