Engine Controls - Self-Diagnostics
- Introduction
- Self-Diagnostic System
- Scan Tool Problems
- Summary
- Diagnostic Tests
- Notes
- DTC P0100: Mass Airflow (MAF) Sensor Circuit
- DTC P0101: Mass Airflow (MAF) Sensor Circuit Range/Performance Fault
- DTC P0110: Intake Air Temperature (IAT) Sensor Circuit
- DTC P0115: Engine Coolant Temperature (ECT) Sensor Circuit
- DTC P0116: Engine Coolant Temperature (ECT) Sensor Circuit Range/Performance Fault
- DTC P0120: Throttle Position (TP) Sensor Circuit Malfunction
- DTC P0121: Throttle Position (TP) Sensor Circuit Range/Performance Fault
- DTC P0125: Insufficient Coolant Temperature For Closed Loop Fuel Control
- DTC P0130 Or P0150: Heated Oxygen Sensor Circuit Malfunction
- DTC P0133 Or P0153: Heated Oxygen Sensor Circuit Slow Response
- DTC P0135 Or P0155: Heated Oxygen Sensor Heater Circuit (Bank Nos. 1 & 2 Sensor No. 1) DTC P0141 Or P0161: Heated Oxygen Sensor Heater Circuit (Bank Nos. 1 & 2 Sensor No. 2)
- DTC P0136 Or P0156: Heated Oxygen Sensor Circuit Malfunction
- DTC P0171 Or P0172: System Too Lean/Rich (Bank No. 1) DTC P0174 Or P0175: System Too Lean/Rich (Bank No. 2)
- DTC P0300: Random Cylinder Misfire Detected
- DTC P0301-P0306: Cylinders No. 1-6 Misfire Detected
- DTC P0325 Or P0330: Knock Sensor Circuit Malfunction
- DTC P0335: Crankshaft Position (CKP) Sensor "A" Circuit Malfunction DTC P1335: CKP Sensor Circuit Malfunction (While Engine Running)
- DTC P0340: Camshaft Position (CMP) Sensor Circuit
- DTC P0420 Or P0430: Catalyst System
- DTC P0440: EVAP System Malfunction
- DTC P0441: Incorrect EVAP Purge Flow DTC P0446: EVAP Vent Control Fault
- DTC P0450: EVAP Pressure Sensor Fault DTC P0451: EVAP Pressure Sensor Range/Performance Malfunction
- DTC P0500: Vehicle Speed Sensor (VSS) Malfunction
- DTC P0505: Idle Control System Malfunction
- DTC P0550: Power Steering Pressure Sensor Circuit Malfunction
- DTC P1120: Accelerator Pedal Position Sensor Circuit Malfunction
- DTC P1121: Accelerator Position Sensor Circuit Malfunction
- DTC P1125: Throttle Control Motor Circuit Malfunction
- DTC P1126: Electromagnetic Clutch Circuit Malfunction
- DTC P1127: Electronic Throttle Control System (ETCS) Actuator Power Source Circuit Malfunction
- DTC P1128: Throttle Control Motor Lock Malfunction
- DTC P1129: Electronic Throttle Control System (ETCS) Malfunction
- DTC P1200: Fuel Pump Relay Circuit Malfunction
- DTC P1300: IGNITOR Circuit Malfunction
- DTC P1335: Crankshaft Position Sensor Circuit Malfunction (During Engine Running)
- DTC P1346: Variable Valve Timing (VVT) Circuit Range/Performance Fault
- DTC P1349: Variable Valve Timing (VVT) System Malfunction
- DTC P1520: Stoplight Switch Signal Malfunction
- DTC P1600: ECM Batt Malfunction
- DTC P1633: Electronic Throttle Control System (ETCS) Circuit ECM Malfunction
- DTC P1645: Body Ecu Malfunction
- DTC P1656: Oil Control Valve (OCV) Circuit Malfunction
- DTC P1780: Park/Neutral Position Switch Malfunction