Engine Controls - Self-Diagnostics
- Introduction
- Self-Diagnostic System
- Programming
- OBD-II Drive Cycles
- Malfunction Indicator Light Diagnosis
- Scan Tool Communications
- Summary
- Diagnostic Trouble Code Definitions
- Component Locations
- Connector Identification
- Diagnostic Tests
- Notes
- DTC P0101: Volume Air Flow Circuit Range/Performance
- DTC P0102: Volume Air Flow Circuit Low Input
- DTC P0106: Barometric Pressure Circuit Range/Performance
- DTC P0107: Barometric Pressure Circuit Low Input
- DTC P0108: Barometric Pressure Circuit High Input
- DTC P0111: Intake Air Temperature Circuit Malfunction
- DTC P0112: Intake Air Temperature Circuit Low Input
- DTC P0113: Intake Air Temperature Circuit High Input
- DTC P0116: Engine Coolant Temperature Circuit Range/Performance
- DTC P0117: Engine Coolant Temperature Circuit Low Input
- DTC P0118: Engine Coolant Temperature Circuit High Input
- DTC P0121: Throttle Position Sensor Circuit Range/Performance
- DTC P0122: Throttle Position Sensor Circuit Low Input
- DTC P0123: Throttle Position Sensor Circuit High Input
- DTC P0125: Insufficient Coolant Temperature For Closed Loop Fuel Control
- DTC P0128: Coolant Thermostat Malfunction
- DTC P0130: Heated Oxygen Sensor Circuit (Sensor 1)
- DTC P0131: Heated Oxygen Sensor Circuit Low Voltage (Sensor 1)
- DTC P0132: Heated Oxygen Sensor Circuit High Voltage (Sensor 1)
- DTC P0133: Heated Oxygen Sensor Circuit Slow Response (Sensor 1)
- DTC P0134: Heated Oxygen Sensor Circuit No Activity Detected (Sensor 1)
- DTC P0135: Heated Oxygen Sensor Heater Circuit (Sensor 1)
- DTC P0136: Heated Oxygen Sensor Circuit (Sensor 2)
- DTC P0137: Heated Oxygen Sensor Circuit Low Voltage (Sensor 2)
- DTC P0138: Heated Oxygen Sensor Circuit High Voltage (Sensor 2)
- DTC P0139: Heated Oxygen Sensor Circuit Slow Response (Sensor 2)
- DTC P0141: Heated Oxygen Sensor Heater Circuit (Sensor 2)
- DTC P0171: System Too Lean Fuel Trim Circuit
- DTC P0172: System Too Rich Fuel Trim Circuit
- DTC P0181: Fuel Temperature Sensor Circuit Range/Performance
- DTC P0182: Fuel Temperature Sensor Circuit Low Input
- DTC P0183: Fuel Temperature Sensor Circuit High Input
- DTC P0201-P0204: Injector Circuit
- DTC P0300: Random/Multiple Cylinder Misfire Detected
- DTC P0301-P0304: Cylinder Misfire Detected
- DTC P0325: Knock Sensor Circuit
- DTC P0335: Crankshaft Position Sensor Circuit
- DTC P0340: Camshaft Position Sensor Circuit
- DTC P0401: Exhaust Gas RECIRCULATION Flow Insufficient Detected
- DTC P0403: Exhaust Gas RECIRCULATION Control Circuit
- DTC P0421: Warm Up Catalyst Efficiency Below Threshold
- DTC P0441: Evaporative Emission Control System Incorrect Purge Flow
- DTC P0442 Or DTC P0456: Evaporative Emission Control System Leak Detected
- DTC P0443: Evaporative Emission Control System Purge Control Valve
- DTC P0446: Evaporative Emission Control System Vent Control Circuit
- DTC P0451, DTC P0452 Or DTC P0453: Evaporative Emission Control System Pressure Sensor Circuit
- DTC P0455: Evaporative Emission Control System Leak Detected (Gross Leak)
- DTC P0461: Fuel Level Sensor Circuit Range/Performance (Fwd)
- DTC P0461: Fuel Level Sensor Circuit Range/Performance (Sensor 1) (4WD)
- DTC P0506 Or DTC P0507: Idle Control System/Idle Air Control Motor Circuit
- DTC P0551: Power Steering Pressure Switch Circuit Range/Performance
- DTC P0554: Power Steering Pressure Switch Circuit Intermittent
- DTC P0622: Generator Fr Terminal Circuit Malfunction
- DTC P1400: Manifold Differential Pressure Sensor
- DTC P1603: Battery Backup Circuit Malfunction
- DTC P2066: Fuel Level Sensor Circuit Range/Performance (Sensor 2) (4WD)