Engine Control System Self-Diagnostics - V6
- Introduction
- Self-Diagnostic System
- Programming
- Scan Tool Problems
- Summary
- Diagnostic Trouble Code Definitions
- Diagnostic Tests
- Notes
- DTC P0100: Mass Airflow Meter Circuit
- DTC P0101: Mass Airflow Meter Circuit Range/Performance
- DTC P0110: Intake Air Temperature Sensor Circuit
- DTC P0115: Engine Coolant Temperature Sensor Circuit
- DTC P0116: Engine Coolant Temperature Sensor Circuit Range/Performance
- DTC P0120: Throttle Position Sensor Circuit
- DTC P0121: Throttle Position Sensor Circuit Range/Performance
- DTC P0125: Insufficient Coolant Temperature For Closed Loop Fuel Control
- DTC P0128: Thermostat Malfunction
- DTC P0136: Heated Oxygen Sensor Circuit Malfunction (Bank No. 1, Sensor No. 2) & DTC P0156: Heated Oxygen Sensor Circuit Malfunction (Bank No. 2, Sensor No. 2)
- DTC P0141: Heated Oxygen Sensor Heater Circuit (Bank No. 1, Sensor No. 2) & DTC P0161: Heated Oxygen Sensor Heater Circuit (Bank No. 2, Sensor No. 2)
- DTC P0171 Or DTC P0172: System Too Lean/Rich Bank No. 1 & DTC P0174 Or DTC P0175: System Too Lean/Rich Bank No. 2
- DTC P0300: Random Misfire Detected
- DTC P0301: Cylinder No. 1 Misfire Detected, DTC P0302: Cylinder No. 2 Misfire Detected, DTC P0303: Cylinder No. 3 Misfire Detected, DTC P0304: Cylinder No. 4 Misfire Detected, DTC P0305: Cylinder No. 5 Misfire Detected &/Or DTC P0306: Cylinder No. 6 Misfire Detected,
- DTC P0325 Or DTC P0330: Knock Sensor No. 1 Or 2 Circuit
- DTC P0335 Or DTC P1335: Crankshaft Position Sensor Circuit
- DTC P0340: Camshaft Position Sensor Circuit
- DTC P0401: Insufficient Exhaust Gas RECIRCULATION Flow Detected
- DTC P0402: Excessive Exhaust Gas RECIRCULATION Flow Detected
- DTC P0420: Catalyst System Efficiency Below Threshold (Bank No. 1) & DTC P0430: Catalyst System Efficiency Below Threshold (Bank No. 2)
- DTC P0440 & DTC P0442: Evaporative Emission Control System Malfunction
- DTC P0441: Evaporative Emission Control System Incorrect Purge Flow & DTC P0446: Evaporative Emission Control System Malfunction
- DTC P0450: EVAP Pressure Sensor Circuit Or DTC P0451: EVAP Pressure Sensor Range/Performance
- DTC P0500: Vehicle Speed Sensor Circuit
- DTC P0505: Idle Air Control System Circuit
- DTC P1120: Accelerator Pedal Position Sensor Circuit Malfunction
- DTC P1121: Accelerator Pedal Position Sensor Range/Performance Problem
- DTC P1125: Throttle Control Motor 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 P1130 Or DTC P1150: Air/Fuel Sensor Circuit Range/Performance
- DTC P1133 Or DTC P1153: Air/Fuel Sensor Circuit Response
- DTC P1135 Or DTC P1155: Air/Fuel Sensor Heater Circuit
- DTC P1300: IGNITOR No. 1 Circuit Malfunction, DTC P1305: IGNITOR No. 2 Circuit Malfunction, DTC P1310: IGNITOR No. 3 Circuit Malfunction, DTC P1315: IGNITOR No. 4 Circuit Malfunction, DTC P1320: IGNITOR No. 5 Circuit Malfunction &/Or DTC P1325: IGNITOR No. 6 Circuit Malfunction
- DTC P1335: Crankshaft Position Sensor Circuit
- DTC P1410: EGR Valve Position Sensor Circuit
- DTC P1411: EGR Valve Position Sensor Circuit Range/Performance
- DTC P1520: Stoplight Switch Signal Circuit
- DTC P1600: ECM Batt Circuit
- DTC P1633: ECM Malfunction
- DTC P1780: Park/Neutral Position (PNP) Switch Circuit