Engine Controls - Self-Diagnostics
- Introduction
- Self-Diagnostic System
- Scan Tool Usage
- Programming
- Summary
- Diagnostic Trouble Code Definitions
- Connector Identification
- Diagnostic Tests
- DTC P0031: Ho2S1 Heater Control Circuit Low - Bank 1, DTC P0032: Ho2S1 Heater Control Circuit High - Bank 1, DTC P0051: Ho2S1 Heater Control Circuit Low - Bank 2 Or DTC P0052: Ho2S1 Heater Control Circuit High - Bank 2
- DTC P0037: Ho2S2 Heater Control Circuit Low - Bank 1, DTC P0038: Ho2S2 Heater Control Circuit High - Bank 1, DTC P0057: Ho2S2 Heater Control Circuit Low - Bank 2 Or DTC P0058: Ho2S2 Heater Control Circuit High - Bank 1
- DTC P0101: Mass Airflow Sensor Circuit Range/Performance Problem
- DTC P0107: Absolute Pressure Sensor Circuit Low Input (2.4L) Or DTC P0108: Absolute Pressure Sensor Circuit High Input
- DTC P0112: Intake Air Temperature Sensor Circuit Low Input, DTC P0113: Intake Air Temperature Sensor Circuit High Input
- DTC P0117: Engine Coolant Temperature Sensor Circuit Low Input Or DTC P0118: Engine Coolant Temperature Sensor Circuit High Input
- DTC P0121: Throttle Position Sensor Circuit Range/Performance, DTC P0122: Throttle Position Sensor Circuit Low Input Or DTC P0123: Throttle Position Sensor Circuit High Input
- DTC P0125: Engine Coolant Temperature Sensor
- DTC P0128: Thermostat Function
- DTC P0132: Ho2S1 Circuit High Voltage - Bank 1 Or DTC P0152: Ho2S1 Circuit High Voltage - Bank 2
- DTC P0133: Ho2S1 Circuit Slow Response - Bank 1 Or DTC P0153: Ho2S1 Circuit Slow Response - Bank 2
- DTC P0134 : Ho2S1 Circuit No Activity Detected - Bank 1 Or DTC P0154: Ho2S1 Circuit No Activity Detected - Bank 2
- DTC P0138: Ho2S2 Circuit High Voltage - Bank 1 Or DTC P0158: Ho2S2 Circuit High Voltage - Bank 2
- DTC P0139: Ho2S2 Circuit Slow Response - Bank 1 Or DTC P0159: Ho2S2 Circuit Slow Response - Bank 2
- DTC P0171: Fuel Injection System Too Lean - Bank 1, DTC P0172: Fuel Injection System Too Lean - Bank 2, DTC P0174: Fuel Injection System Too Rich - Bank 1 Or DTC P0175: Fuel Injection System Too Rich - Bank 2
- DTC P0181: Fuel Tank Temperature Sensor Circuit Range/Performance, DTC P0182: Fuel Tank Temperature Sensor Circuit Low Input Or DTC P0183: Fuel Tank Temperature Sensor Circuit High Input
- DTC P0217: Coolant OVERTEMPERATURE Enrichment Protection
- DTC P0300: Multiple Cylinder Misfire Detected, PO301: Cylinder No. 1 Misfire Detected, PO302: Cylinder No. 2 Misfire Detected, PO303: Cylinder No. 3 Misfire Detected, PO304: Cylinder No. 4 Misfire Detected, PO305: Cylinder No. 5 Misfire Detected &/Or P0306: Cylinder No. 6 Misfire Detected
- DTC P0327: Knock Sensor Circuit Low Input Or DTC P0328: Knock Sensor Circuit High Input
- DTC P0335: Crankshaft Position Sensor (OBD)
- DTC P0340: Camshaft Position Sensor
- DTC P0400: EGR Function (2.4L)
- DTC P0402: EGRC-BPT Valve Function (2.4L)
- DTC P0405: EGR Temperature Sensor Circuit Low Input Or DTC P0406: EGR Temperature Sensor Circuit High Input
- DTC P0420: Catalyst System Efficiency Below Threshold - Bank 1 Or DTC P0430: Catalyst System Efficiency Below Threshold - Bank 2
- DTC P0441: EVAP Control System
- DTC P0442: EVAP Control System
- DTC P0444: EVAP Canister Purge Volume Control Solenoid Valve Circuit Open Or DTC P0445: EVAP Canister Purge Volume Control Solenoid Valve Circuit Shorted
- DTC P0447: EVAP Canister Vent Control Valve
- DTC P0452: EVAP Control System Pressure Sensor Low Input Or DTC P0453: EVAP Control System Pressure Sensor High Input
- DTC P0455: EVAP Control System
- DTC P0456: EVAP Control System Very Small Leak (Negative Pressure Check) Or DTC P1456: EVAP Control System Very Small Leak (Positive Pressure Check)
- DTC P0460: Fuel Level Sensor
- DTC P0461: Fuel Level Sensor
- DTC P0462: Fuel Level Sensor Circuit Low Input Or DTC P0463: Fuel Level Sensor Circuit High Input
- DTC P0500: Vehicle Speed Sensor
- DTC P0505: Idle Speed Control System
- DTC P0510: Closed Throttle Position Switch
- DTC P0600: A/T Control (3.3L)
- DTC P0605: ECM
- DTC P1143: Ho2S1 Lean Shift Monitoring - Bank 1 Or DTC P1163: Ho2S1 Lean Shift Monitoring - Bank 2
- DTC P1144: Ho2S1 Rich Shift Monitoring - Bank 1 Or DTC P1164: Ho2S1 Rich Shift Monitoring - Bank 2
- DTC P1146: Ho2S2 Minimum Voltage Monitoring - Bank 1 Or DTC P1166: Ho2S2 Minimum Voltage Monitoring - Bank 2
- DTC P1147: Ho2S2 Maximum Voltage Monitoring - Bank 1 Or DTC P1167: Ho2S2 Maximum Voltage Monitoring - Bank 2
- DTC P1148: Closed Loop Control - Bank 1 Or DTC P1168: Closed Loop Control - Bank 2
- DTC P1217: Engine Over Temperature
- DTC P1336: Crankshaft Position Sensor (OBD)
- DTC P1400: EGR Control Solenoid Valve (2.4L)
- DTC P1402: EGR Function (2.4L)
- DTC P1442: EVAP Control System (3.3L)
- DTC P1444: EVAP Canister Purge Volume Control Solenoid Valve
- DTC P1446: EVAP Canister Vent Control Valve
- DTC P1448: EVAP Canister Vent Control Valve
- DTC P1464: Fuel Level Sensor Circuit (Ground Signal)
- DTC P1490: Vacuum Cut Valve By-Pass Valve
- DTC P1491: Vacuum Cut Valve By-Pass Valve
- DTC P1605: A/T Diagnosis Communication Line (3.3L)
- DTC P1706: Park/Neutral Position Switch