Engine Controls - Self-Diagnostics
- Introduction
- Self-Diagnostic System
- Verifying Repairs
- Programming
- OBD-II Drive Cycles
- Summary
- Diagnostic Trouble Code Definitions
- Component Locations
- Connector Identification
- Diagnostic Tests
- Notes
- DTC P0100 & P0102: Volume Airflow Circuit Malfunction
- DTC P0106, P0107 & P0108: Barometric Pressure Circuit Malfunction
- DTC P0111, P0112 & P0113: Intake Air Temperature Circuit Malfunction
- DTC P0116, P0117 & P0118: Engine Coolant Temperature Circuit Malfunction
- DTC P0121, P0122 & P0123: Throttle Position Sensor Circuit Malfunction
- DTC P0125: Insufficient Coolant Temperature For Closed Loop Fuel Control
- DTC P0128: Coolant Thermostat Malfunction (Coolant Temperature Below Thermostat Regulating Temperature)
- DTC P0132, P0133 & P0134: Heated Oxygen Sensor Circuit Malfunction (Bank 1 Sensor 1)
- DTC P0135: Heated Oxygen Sensor Heater Circuit Malfunction (Bank 1 Sensor 1)
- DTC P0137, P0138 & P0139: Heated Oxygen Sensor Circuit Malfunction (Bank 1 Sensor 2)
- DTC P0141: Heated Oxygen Sensor Heater Circuit Malfunction (Bank 1 Sensor 2)
- DTC P0152, P0153 & P0154: Heated Oxygen Sensor Circuit Malfunction (Bank 2 Sensor 1)
- DTC P0155: Heated Oxygen Sensor Heater Circuit Malfunction (Bank 2 Sensor 1)
- DTC P0157, P0158 & P0159: Heated Oxygen Sensor Circuit Malfunction (Bank 2 Sensor 2)
- DTC P0161: Heated Oxygen Sensor Heater Circuit Malfunction (Bank 2 Sensor 2)
- DTC P0171 & P0174: System Too Lean (Bank 1 & 2)
- DTC P0172 & P0175: System Too Rich (Bank 1 & 2)
- DTC P0201-P0206: Injectors No. 1-6 Circuit Malfunction
- DTC P0300: Random/Multiple Cylinder Misfire Detected
- DTC P0301-P0306: Cylinder Misfire Detected
- DTC P0325: Knock Sensor No. 1 Circuit Malfunction
- DTC P0335: Crankshaft Position Sensor Circuit Malfunction
- DTC P0340: Camshaft Position Sensor Circuit Malfunction
- DTC P0401: Exhaust Gas RECIRCULATION Insufficient Flow Detected
- DTC P0403: Exhaust Gas RECIRCULATION Control Circuit Malfunction
- DTC P0421 & P0431: Warm Up Catalyst Efficiency Below Threshold
- DTC P0441 & P0442: EVAP Emission Control System Malfunction
- DTC P0443: EVAP Emission Purge Solenoid Circuit Malfunction
- DTC P0446: EVAP Emission Ventilation Solenoid Valve Circuit Malfunction
- DTC P0451, P0452 & P0453: EVAP Emission Control System Pressure Sensor Malfunction
- DTC P0455: Evaporative Emission Control System Leak Detected (Gross Leak)
- DTC P0506 & P0507: Idle Air Control System Malfunction
- DTC P0510: Closed Throttle Position Switch Malfunction
- DTC P0551: Power Steering Pressure Switch Circuit Range/Performance Problem
- DTC P1101: Vacuum Control Solenoid Valve System Malfunction (With Traction Control)
- DTC P1102: Ventilation Control Solenoid Valve System Malfunction (With Traction Control)
- DTC P1400: Manifold Differential Pressure Sensor Circuit Malfunction
- DTC P1603: Battery Backup Circuit Malfunction