Engine Controls - Self-Diagnostics
- Introduction
- Self-Diagnostic System
- Programming
- Drive Cycle
- Summary
- Diagnostic Trouble Code Definitions
- Component Locations
- Connector Identification
- System Test
- Diagnostic Tests
- Notes
- DTC P0030 & P0050: Ho2S Heater Circuit - Bank 1, Sensor 1 Or Bank 2, Sensor 1
- DTC P0031 & P0051: Ho2S Heater Circuit - Low Voltage - Bank 1, Sensor 1 Or Bank 2, Sensor 1
- DTC P0032 & P0052: Ho2S Heater Circuit - High Voltage - Bank 1, Sensor 1 Or Bank 2, Sensor 1
- DTC P0036 & P0056: Ho2S Heater Circuit - Bank 1, Sensor 2 Or Bank 2, Sensor 2
- DTC P0037 & P0057: Ho2S Heater Circuit - Low Voltage - Bank 1, Sensor 2
- DTC P0038 & P0058: Ho2S Heater Circuit - High Voltage - Bank 1, Sensor 2 Or Bank 2, Sensor 2
- DTC P0101: MAF System Performance
- DTC P0102: MAF Sensor Circuit - Low Signal/Frequency
- DTC P0103: MAF Sensor Circuit - High Signal/Frequency
- DTC P0107: Map Sensor Circuit - Low Voltage
- DTC P0108: Map Sensor Circuit - High Voltage
- DTC P0112: IAT Sensor Circuit - Low Voltage/High Temperature
- DTC P0113: IAT Sensor Circuit - High Voltage/Low Temperature
- DTC P0115: ECT Sensor Circuit
- DTC P0116: ECT Sensor Circuit Performance
- DTC P0117: ECT Sensor Circuit - Low Voltage/High Temperature
- DTC P0118: ECT Sensor Circuit - High Voltage/Low Temperature
- DTC P0121: TP Sensor No. 1 Circuit Performance
- DTC P0122: TP Sensor No. 1 Circuit - Low Voltage
- DTC P0123: TP Sensor No. 1 Circuit - High Voltage
- DTC P0125: ECT Insufficient For Close Loop Fuel Control
- DTC P0128: ECT Below Thermostat Regulating Temperature
- DTC P0130 & P0150: Ho2S Circuit - Bank 1, Sensor 1 Or Bank 2, Sensor 1
- DTC P0131 & P0151: Ho2S Circuit - Low Voltage - Bank 1, Sensor 1 Or Bank 2, Sensor 1
- DTC P0132 & P0152: Ho2S Circuit - High Voltage - Bank 1, Sensor 1 Or Bank 2, Sensor 1
- DTC P0133 & P0153: Ho2S Slow Response Bank 1 Sensor 1 Or Bank 2, Sensor 1
- DTC P0134 & P0154: Ho2S Circuit - Insufficient Activity - Bank 1, Sensor 1 Or Bank 2, Sensor 1
- DTC P0135 & P0155: Ho2S Heater Circuit Performance - Bank 1, Sensor 1 Or Bank 2, Sensor 1
- DTC P0136 & P0156: Ho2S Circuit - Bank 1, Sensor 2 Or Bank 2, Senor 2
- DTC: P0137 & P0157: Ho2S Circuit - Low Voltage - Bank 1, Sensor 2 Or Bank 2, Sensor 2
- DTC P0138 & P0158: Ho2S Circuit - High Voltage - Bank 1, Sensor 2 Or Bank 2, Sensor 2
- DTC P0139 & P0159 : Ho2S Circuit - Slow Response - Bank 1, Sensor 2 Or Bank 2 Sensor 2
- DTC P0140 & P0160: Ho2S Circuit - Insufficient Activity - Bank 1, Sensor 2 Or Bank 2, Sensor 2
- DTC P0141 & P0161: Ho2S Heater Circuit Performance - Bank 1, Sensor 2 Or Bank 2, Sensor 2
- DTC P0171 & P0174: Fuel Trim System Lean - Bank 1 Or Bank 2
- DTC P0172 & P0175: Fuel Trim System Rich - Bank 1 Or Bank 2
- DTC P0201-P0206: Injector No. 1-6 Control Circuit
- DTC P0221: TP Sensor No. 2 Circuit Performance
- DTC P0222: TP Sensor No. 2 Circuit - Low Voltage
- DTC P0223: TP Sensor No. 2 Circuit - High Voltage
- DTC P0261, P0264, P0267, P0270, P0273 & P0276: Injector No. 1-6 Control Circuit - Low Voltage
- DTC P0262, P0265, P0268, P0271, P0274 & P0277: Injector No. 1-6 Control Circuit - High Voltage
- DTC P0300: Engine Misfire Detected
- DTC P0301-P0306: Specific Cylinder Misfire Detected
- DTC P0313: Misfire Detected With Low Fuel
- DTC P0324: Knock Sensor Module Circuit
- DTC P0327 & P0332: Knock Sensor No. 1 Circuit Or No. 2 Circuit - Low Input
- DTC P0328 & P0333: Knock Sensor No. 1 Circuit Or No. 2 Circuit - High Input
- DTC P0335: Crankshaft Position Sensor Circuit
- DTC P0341: Camshaft Position Sensor Circuit Performance
- DTC P0342: Camshaft Position Sensor Circuit - Low Voltage
- DTC P0343: Camshaft Position Sensor Circuit - High Voltage
- DTC P0401: EGR Flow Insufficient
- DTC P0402: EGR Flow Excessive
- DTC P0403: EGR Solenoid Control Circuit
- DTC P0405: EGR Position Sensor Circuit - Low Voltage
- DTC P0406: EGR Position Sensor Circuit - High Voltage
- DTC P0409: Exhaust Gas RECIRCULATION Sensor "A" Circuit
- DTC P0421 & P0431 : Warm-Up Catalyst - Low Efficiency - Bank 1 Or Bank 2
- DTC P0440: EVAP System - Flow During Non-Purge
- DTC P0442: EVAP System - Small Leak Detected
- DTC P0443: EVAP Purge Solenoid Control Circuit
- DTC P0444: EVAP Purge Solenoid Control Circuit - Low Voltage
- DTC P0445: EVAP Purge Solenoid Control Circuit- High Voltage
- DTC P0446: EVAP Vent System Performance
- DTC P0447: EVAP Vent Solenoid Control Circuit - Low Voltage
- DTC P0448: EVAP Vent Solenoid Control Circuit - High Voltage
- DTC P0449: EVAP Vent Solenoid Control Circuit
- DTC P0451: EVAP Fuel Tank Pressure Sensor Circuit Performance
- DTC P0452: EVAP Fuel Tank Pressure Sensor Circuit - Low Voltage
- DTC P0453: EVAP Fuel Tank Pressure Sensor Circuit - High Voltage
- DTC P0455: EVAP System Gross Leak Detected
- DTC P0489: EGR Solenoid Control Circuit - Low Voltage
- DTC P0490: EGR Solenoid Control Circuit - High Voltage
- DTC P0496: EVAP System - Flow During Non-Purge
- DTC P0506: Idle Speed Low
- DTC P0507: Idle Speed High
- DTC P0601-P0607, P1600, P1621, P1627, P1680, P1681 & P2610: ECM Memory
- DTC P0610: Control Module Vehicle Options Error
- DTC P0627: Fuel Pump Relay Control Circuit
- DTC P0628: Fuel Pump Relay Control Circuit - Low Voltage
- DTC P0629: Fuel Pump Relay Control Circuit - High Voltage
- DTC P0638: Throttle Actuator Control Command Performance
- DTC P0700: TCM Requested Mil Illumination
- DTC P1245: Intake Plenum Switchover Valve
- DTC P1271: App Sensors No. 1 & 2 Circuit Performance
- DTC P1277: App Sensor No. 1 Circuit - Low Voltage
- DTC P1278: App Sensor No. 1 Circuit - High Voltage
- DTC P1282: App Sensor No. 2 Circuit - Low Voltage
- DTC P1283: App Sensor No. 2 Circuit - High Voltage
- DTC P1403: EGR Position Circuit - Low Voltage
- DTC P1405: EGR Position Circuit - High Voltage
- DTC P1406: EGR Pintle Position Error
- DTC P1510: Throttle Control System - In Limitation
- DTC P1511: Throttle Control System - Limp Home System Performance
- DTC P1516: Command Vs. Actual Throttle Position Correlation Error
- DTC P1519: Throttle Actuator Control (TAC) Module
- DTC P1523: Throttle Return Performance
- DTC P1526: TP Sensor Learn Not Done After Reprogramming
- DTC P1551: Throttle Rest Position Not Reached During Learn
- DTC P2008: Intake Manifold Runner Control (IMRC) Solenoid Control Circuit
- DTC P2009: Intake Manifold Runner Control (IMRC) Solenoid Control Circuit - Low Voltage
- DTC P2010: Intake Manifold Runner Control (IMRC) Solenoid Control Circuit - High Voltage
- DTC P2100: Throttle Actuator Control (TAC) Motor Control Circuit
- DTC P2101: Throttle Actuator Control (TAC) Motor Position Performance
- DTC P2107: Throttle Actuator Control (TAC) Module Internal Circuit
- DTC P2119: Throttle Closed Position Performance
- DTC P2122: Accelerator Pedal Position Sensor 1 Circuit - Low Voltage
- DTC P2123: Accelerator Pedal Position Sensor 1 Circuit - High Voltage
- DTC P2127: Accelerator Pedal Position Sensor 2 Circuit - Low Voltage
- DTC P2128: Accelerator Pedal Position Sensor 2 Circuit - High Voltage
- DTC P2138: Accelerator Pedal Position Sensor 1-2 Correlation
- DTC P2176: Minimum Throttle Position Not Learned
- Wiring Diagrams