Engine Controls - Self-Diagnostics
- Introduction
- General Description
- Self-Diagnostic System
- Engine Control Module
- Programming
- Monitors
- Summary
- Diagnostic Trouble Code Definitions
- Component Locations
- ECM Connector Identification
- System Tests
- Diagnostic Tests
- Notes
- DTCS P0031 Or P0032: Ho2S Bank 1, Sensor 1 - Heater Circuit Low/High
- DTCS P0037 Or P0038: Ho2S Bank 1, Sensor 2 Heater Circuit Low/High
- DTCS P0051 Or P0052: Ho2S Bank 2, Sensor 1 Heater Circuit Low/High
- DTCS P0057 Or P0058: Ho2S Bank 2, Sensor 2 Heater Circuit Low/High
- DTC P0101: Mass Air Flow Sensor - Performance Problem
- DTC P0102: Mass Air Flow Sensor Circuit - Low Voltage
- DTC P0103: Mass Air Flow Sensor Circuit - High Voltage
- DTCS P0107 Or P0108: Map Sensor CIRCIUT - Low Input/High Input
- DTC P0111: Intake Air Temperature Sensor Circuit - Range/Performance Problem
- DTC P0112: Intake Air Temperature Sensor Circuit - Low Input
- DTC P0113: Intake Air Temperature Sensor Circuit - High Input
- DTC P0116: Engine Coolant Temperature Sensor Circuit - Range/Performance Problem
- DTC P0117: Engine Coolant Temperature Sensor Circuit - Low Input
- DTC P0118: Engine Coolant Temperature Sensor Circuit - High Input
- DTC P0121: Throttle Position Sensor Circuit - Range/Performance Problem
- DTC P0122: Throttle Position Sensor Circuit - Low Input
- DTC P0123: Throttle Position Sensor Circuit - High Input
- DTC P0125: Insufficient Coolant Temperature For Closed Loop Operation
- DTC P0128: Coolant Thermostat Malfunction
- DTCS P0131 Or P0132: Ho2S Bank 1, Sensor 1 Circuit Low Voltage/High Voltage
- DTC P0133: Bank 1 Ho2S No. 1 Circuit - Slow Response Time
- DTC P0134: Bank 1 Ho2S No. 1 Circuit - No Activity Detected
- DTC P0137: Bank 1 Ho2S No. 2 - Low Voltage
- DTC P0138 Or P0140: Ho2S Bank 1, Sensor 2 - High Circuit Voltage Or No Activity
- DTCS P0151 Or P0152: Ho2S Bank 2, Sensor 1 - Low Voltage/High Voltage
- DTC P0153: Bank 2 Ho2S No. 1 Circuit - Slow Response - 2.5L
- DTC P0153: Bank 2 Ho2S No. 1 Circuit - Slow Response - 2.7L
- DTC P0154: Bank 2 Ho2S No. 1 Circuit - No Activity Detected
- DTC P0157: Bank 2 Ho2S No. 2 - Low Voltage
- DTCS P0158 Or P0160: Ho2S Bank 2, Sensor 2 - High Circuit Voltage Or No Activity
- DTCS P0171 Or P0172: Bank 1 Fuel System - Too Lean/Too Rich
- DTCS P0174 Or P0175: Bank 2 Fuel System - Too Lean/Too Rich
- DTCS P0300, P0301, P0302, P0303, P0304, P0305 Or P0306: Misfire Detected
- DTCS P0327 Or P0328: Knock Sensor Circuit - Low/High
- DTC P0335: Crankshaft Position Sensor - Circuit Malfunction
- DTC P0340: Camshaft Position Sensor - Circuit Malfunction
- DTC P0401 Or P0402: EGR Flow - Insufficient/Excessive
- DTC P0403: EGR Flow Circuit Malfunction
- DTC P0420: Bank 1 Catalyst System - Low Efficiency
- DTC P0430: Bank 2 Catalyst System - Low Efficiency
- DTC P0441: EVAP Control System - Incorrect Purge Flow
- DTCS P0442 Or P0455: EVAP System Leak - Small Leak/Gross Leak
- DTC P0443: EVAP Control System - Purge Control Valve Circuit Malfunction
- DTC P0446: EVAP Control System - Vent Valve Control Circuit Malfunction
- DTC P0449: EVAP Control System Vent Valve - Solenoid Circuit Malfunction
- DTC P0451: EVAP System Pressure Sensor - Range/Performance
- DTCS P0452 Or P0453: EVAP System Pressure Sensor - Low/High
- DTC P0456: EVAP System Leak - Very Small Leak
- DTC P0461: Fuel Level Sensor Circuit - Performance Problem
- DTC P0463: Fuel Level Sensor Circuit - High Input
- DTC P0464: Fuel Level Sensor Circuit - Intermittent Problem
- DTC P0496: EVAP System - Flow During Non-Purge
- DTC P0500: Vehicle Speed Sensor Malfunction
- DTCS P0506 Or P0507: Idle Air Control System - Rpm Too Low/Rpm Too High
- DTC P0601: Internal Control Module Memory Check Sum Error
- DTC P0616: Starter Signal Circuit - Low
- DTC P0617: Starter Signal Circuit - High
- DTC P1510: Engine Control Module Back-Up Power Supply Malfunction
- DTC P2025: EVAP Fuel Vapor Temperature Sensor - Performance
- DTC P2026: EVAP Fuel Vapor Temperature Sensor - Low Voltage
- DTC P2027: EVAP Fuel Vapor Temperature Sensor - High Voltage
- DTCS P2227, P2228 Or P2229: Barometric Pressure Circuit - Performance/Low/High