Engine Controls - Self-Diagnostics - 8.1L
- Model Identification
- Introduction
- Component Locations
- Self-Diagnostic System
- Programming
- Inspection/Maintenance Procedures
- Drive Cycles
- Inspection/Maintenance System Check
- Inspection/Maintenance Complete System Set Procedure
- Inspection/Maintenance Air System Set Procedure
- Inspection/Maintenance Catalyst System Set Procedure
- Inspection/Maintenance Evaporative Emission System Set Procedure
- Inspection/Maintenance Exhaust Gas RECIRCULATION System Set Procedure
- Inspection/Maintenance Heated Oxygen Sensor System Set Procedure
- Inspection/Maintenance Heated Oxygen Sensor Heater System Set Procedure
- Summary
- Diagnostic Trouble Code Definitions
- Diagnostic Tests
- Notes
- DTC P0101: Mass Airflow System Performance
- DTC P0102: Mass Airflow Sensor Circuit - Low Frequency
- DTC P0103: Mass Airflow Sensor Circuit - High Frequency
- DTC P0106: Manifold Absolute Pressure System Performance
- DTC P0107: Manifold Absolute Pressure Sensor Circuit - Low Voltage
- DTC P0108: Manifold Absolute Pressure Sensor Circuit - High Voltage
- DTC P0112: Intake Air Temperature Sensor Circuit - Low Voltage
- DTC P0113: Intake Air Temperature Sensor Circuit - High Voltage
- DTC P0117: Engine Coolant Temperature Sensor Circuit - Low Voltage
- DTC P0118: Engine Coolant Temperature Sensor Circuit - High Voltage
- DTC P0125: Engine Coolant Temperature Excessive Time To Enter Closed Loop Fuel Control
- DTC P0128: Engine Coolant Temperature Fails To Reach A Preset Target Temperature
- DTC P0131 Or P0151: Heated Oxygen Sensor Circuit - Low Voltage
- DTC P0132 Or P0152: Heated Oxygen Sensor Circuit - High Voltage
- DTC P0133 Or P0153: Heated Oxygen Sensor Circuit - Slow Response
- DTC P0134 Or P0154: Heated Oxygen Sensor Circuit - Insufficient Activity
- DTC P0135 Or P0155: Excessive Time To Enter Closed Loop
- DTC P0137 Or P0157: Heated Oxygen Sensor Circuit - Low Voltage
- DTC P0138 Or P0158: Heated Oxygen Sensor Circuit - High Voltage
- DTC P0140 Or P0160: Heated Oxygen Sensor Circuit - Insufficient Activity
- DTC P0141: Heated Oxygen Sensor Circuit - Insufficient Activity
- DTC P0161: Heated Oxygen Sensor Heater Circuit
- DTC P0171 Or P0174: Fuel Trim System Lean
- DTC P0172 Or P0175: Fuel Trim System Rich
- DTC P0200: Injector Control Circuit ("C" & "K" Series)
- DTC P0200: Injector Control Circuit ("G" Series)
- DTC P0230: Fuel Pump Control Circuit
- DTC P0300-P0308: Engine Misfire Detected
- DTC P0325: Knock Sensor Module Performance
- DTC P0327 Or P0332: Knock Sensor Circuit
- DTC P0335: Crankshaft Position Sensor Circuit
- DTC P0336: Crankshaft Position Sensor Performance
- DTC P0341: Camshaft Position Sensor Performance
- DTC P0342: Camshaft Position Sensor Circuit - Low Voltage
- DTC P0343: Camshaft Position Sensor Circuit - High Voltage
- DTC P0351-P0358: Ignition Coil Control Circuit
- DTC P0401: EGR System - Insufficient Flow
- DTC P0404: EGR Valve Operation Out Of Range
- DTC P0405: EGR Position Sensor Circuit - Low Voltage
- DTC P0410: Secondary Air Injection System
- DTC P0418: Secondary Air Injection Pump Relay Control Circuit
- DTC P0420 Or P0430: Catalyst System - Low Efficiency
- DTC P0440: Evaporative Emission System - Large Leak Detected
- DTC P0442: Evaporative Emission System - Small Leak Detected
- DTC P0443: Evaporative Emission Purge Valve Control Circuit
- DTC P0446: Evaporative Emission Vent System Performance
- DTC P0449: Evaporative Canister Vent Valve Control Circuit
- DTC P0452: Fuel Tank Pressure Sensor Circuit - Low Voltage
- DTC P0453: Fuel Tank Pressure Sensor Circuit - High Voltage
- DTC P0506: Idle Speed Low
- DTC P0507: Idle Speed High
- DTC P0601-P0607, P1600, P1621, P1627, P1680, P1681 Or P1683: Control Module Fault
- DTC P0650: Malfunction Indicator Light Control Circuit
- DTC P0700: Malfunction Indicator Light Control Circuit
- DTC P1111: Intake Air Temperature Sensor Circuit Intermittent High Voltage
- DTC P1112: Intake Air Temperature Sensor Circuit Intermittent Low Voltage
- DTC P1114: Engine Coolant Temperature Sensor Circuit Intermittent Low Voltage
- DTC P1115: Engine Coolant Temperature Sensor Circuit Intermittent High Voltage
- DTC P1120: Throttle Position Sensor Circuit No. 1
- DTC P1125: Accelerator Pedal Position Circuit
- DTC P1133 Or P1153: Heated Oxygen Sensor Insufficient Switching
- DTC P1134 Or P1154: Heated Oxygen Sensor Transition Time Ratio Not Within Range
- DTC P1172: Secondary Fuel Pump Insufficient/No Fuel Flow
- DTC P1220: Throttle Position Sensor No. 2 Circuit
- DTC P1221: Throttle Position Sensors No. 1 & 2 Correlation
- DTC P1258: Engine Coolant Over Temperature - Protection Mode Active
- DTC P1275: Accelerator Pedal Position Sensor No. 1 Circuit
- DTC P1276: Accelerator Pedal Position Sensor No. 1 Performance
- DTC P1280: Accelerator Pedal Position Sensor No. 2 Circuit
- DTC P1281: Accelerator Pedal Position Sensor No. 2 Performance
- DTC P1285: Accelerator Pedal Position Sensor No. 3 Circuit
- DTC P1286: Accelerator Pedal Position Sensor No. 3 Performance
- DTC P1336: Crankshaft Position System Variation Not Learned
- DTC P1380: Misfire Detected - Rough Road Data Not Available
- DTC P1381: Misfire Detected - No Communication With Brake Control Module
- DTC P1404: EGR Closed Position Performance
- DTC P1415 Or P1416: Secondary Air Injection System
- DTC P1441: Evaporative Emission System Flow During Non-Purge
- DTC P1514: Throttle Body Performance
- DTC P1515: Commanded & Actual Throttle Positions Out Of Range
- DTC P1516: Predicted & Actual Throttle Positions Out Of Range
- DTC P1517: Throttle Actuator Control Module Performance
- DTC P1518: Throttle Actuator Control Module Serial Data Circuit
- DTC P1635: 5-Volt Reference No. 1 Circuit
- DTC P1639: 5-Volt Reference No. 2 Circuit
- DTC P1781: Incorrect Voltage Level On Transmission Control Module Malfunction Indicator Light Request Circuit