Engine Controls - Self-Diagnostics
- Introduction
- Self-Diagnostic System
- Verifying Repairs
- Summary
- Intermittent Diagnostic Trouble Codes
- Diagnostic Circuit Check
- Component Locations
- Terminal Identification
- Diagnostic Trouble Code Definitions
- Diagnostic Tests
- Notes
- DTC P0100 & DTC P0102: Volume Airflow Circuit Malfunction
- DTC P0106, DTC P0107 & DTC P0108: Barometric Pressure Circuit Malfunction
- DTC P0111, DTC P0112 & DTC P0113: Intake Air Temperature Circuit Malfunction
- DTC P0116, DTC P0117 & DTC P0118: Engine Coolant Temperature Circuit Malfunction
- DTC P0121, DTC P0122 & DTC P0123: Throttle Position Sensor Circuit Malfunction
- DTC P0125 & DTC P0128: Insufficient Coolant Temperature For Closed Loop Fuel Control
- DTC P0132, DTC P0133 & DTC P0134: Heated Oxygen Sensor Circuit Malfunction (Bank 1; Sensor 1)
- DTC P0135: Heated Oxygen Sensor Heater Circuit Malfunction (Bank 1; Sensor 1)
- DTC P0137, DTC P0138 & DTC P0139: Heated Oxygen Sensor Circuit Malfunction (Bank 1; Sensor 2)
- DTC P0141: Heated Oxygen Sensor Heater Circuit Malfunction (Bank 1; Sensor 2)
- DTC P0152, DTC P0153 & DTC P0154: Heated Oxygen Sensor Circuit Malfunction (Bank 2; Sensor 1)
- DTC P0155: Heated Oxygen Sensor Heater Circuit Malfunction (Bank 2; Sensor 1)
- DTC P0157, DTC P0158 & DTC P0159: Heated Oxygen Sensor Circuit Malfunction (Bank 2; Sensor 2)
- DTC P0161: Heated Oxygen Sensor Heater Circuit Malfunction (Bank 2; Sensor 2)
- DTC P0171 & DTC P0174: System Too Lean (Bank 1 & 2)
- DTC P0172 & DTC P0175: System Too Rich (Bank 1 & 2)
- DTC P0201, DTC P0202, DTC P0203, DTC P0204, DTC P0205 Or DTC P0206
- DTC P0300: Random Misfire Detected
- DTC P0301, DTC P0302, DTC P0303, DTC P0304, DTC P0305 Or P0306
- DTC P0325: Knock Sensor No. 1 Circuit Malfunction
- DTC P0335: Crankshaft Position Sensor Circuit Malfunction
- DTC P0340: Camshaft Position Sensor Circuit Malfunction
- DTC P0401: EGR Flow Malfunction
- DTC P0403: EGR Control Circuit
- DTC P0421 & DTC P0431: Catalytic Converter Efficiency Below Threshold
- DTC P0441 & DTC P0442: EVAP Emission Control System
- DTC P0443: EVAP Emission Control System Purge Control Valve Circuit Malfunction
- DTC P0446: EVAP Emission Control System Ventilation Solenoid Control Circuit
- DTC P0451, DTC P0452 & DTC P0453: EVAP Emission Control System Pressure Sensor Malfunction
- DTC P0455: EVAP Control System Large Leak Detected
- DTC P0506 & DTC P0507: Idle Control System Malfunction
- DTC P0510: Closed Throttle Position Switch Malfunction
- DTC P0551: Power Steering Pressure Sensor Circuit Range/Performance
- DTC P1101: Vacuum Control Solenoid Valve System (With Traction Control)
- DTC P1102: Ventilation Control Solenoid Valve System (With Traction Control)
- DTC P1400: Manifold Differential Pressure Sensor Circuit Malfunction
- DTC P1603: Battery Backup Circuit Malfunction