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 (TP)/Pedal Position Sensor Switch "A" Circuit Malfunction
- DTC P0121: Throttle (TP)/Pedal Position Sensor Switch "A" Circuit Range/Performance Fault
- DTC P0125: Insufficient Coolant Temperature For Closed Loop Fuel Control
- DTC P0128: Thermostat Fault
- DTC P0136: Heated Oxygen Sensor Circuit Fault
- DTC P0141: Heated Oxygen Sensor Heater Circuit Fault
- DTC P0171, DTC P0172, DTC P0174, DTC P0175
- DTC P0300: Random Cylinder Misfire Detected
- DTC P0301, DTC P0302, DTC P0303, DTC P0304, DTC P0305 & DTC P0306
- DTC P0325 Or DTC P0330: Knock Sensor Circuit Fault
- DTC P0335 Or DTC P1335: Crankshaft Position (CKP) Sensor Circuit
- DTC P0340: Variable Valve Timing (VVT) Sensor Circuit
- DTC P0420: Catalyst System Efficiency Below Threshold
- DTC P0440 Or DTC P0442
- DTC P0441 Or DTC P0446
- DTC P0450 Or DTC P0451
- DTC P0500: Vehicle Speed Sensor (VSS) Malfunction
- DTC P0505: Idle Control System Malfunction
- DTC P1130 Or P1150: Air/Fuel Sensor Circuit Range/Performance Fault
- DTC P1133 Or P1153: Air/Fuel Sensor Circuit Response Malfunction
- DTC P1135 Or P1155: Air/Fuel Sensor Heater Circuit Malfunction
- DTC P1300, DTC P1305, DTC P1310, DTC P1315, DTC P1320 Or DTC P1325
- DTC P1335: Crankshaft Position Sensor Circuit Malfunction (During Engine Running)
- DTC P1345 Or DTC P1350: Variable Valve Timing (VVT) Circuit Malfunction
- DTC P1346 Or DTC P1351: Variable Valve Timing (VVT) Circuit Range/Performance Fault
- DTC P1349 Or DTC P1354: Variable Valve Timing (VVT) System Malfunction
- DTC P1520: Stoplight Switch Signal Malfunction
- DTC P1600: ECM Batt Malfunction
- DTC P1656 Or DTC P1663: Oil Control Valve (OCV) Malfunction
- DTC P1780: Park/Neutral Position Switch Malfunction