Engine Controls - Self-Diagnostics
- Introduction
- Self-Diagnostic System
- Diagnostic Monitoring Test Results
- Drive Cycles
- Summary
- Test Equipment
- Diagnostic Trouble Code Identification
- Diagnostic Tests
- Notes
- DTC P0031: Right Front Heated Oxygen Sensor Heater Circuit Low
- DTC P0032: Right Front Ho2S Heater Circuit High
- DTC P0037: Right Rear Ho2S Heater Circuit Low
- DTC P0038: Right Rear Ho2S Heater Circuit High
- DTC P0051: Left Front Ho2S Heater Circuit Low
- DTC P0052: Left Front Ho2S Heater Circuit High
- DTC P0057: Left Rear Ho2S Heater Circuit Low
- DTC P0058: Left Rear Ho2S Heater Circuit High
- DTC P0101: Mass Airflow Sensor Inconsistent With Throttle Position Sensor
- DTC P0102: Mass Airflow Sensor - Low Input
- DTC P0103: Mass Airflow Sensor - Low Input
- DTC P0106: EGR Boost Sensor Circuit - Performance Problem
- DTC P0107: EGR Boost Sensor Circuit - Low Input
- DTC P0108: EGR Boost Sensor Circuit - High Input
- DTC P0111: Intake Air Temperature Circuit - Performance Problem
- DTC P0112: Intake Air Temperature Sensor - Low Input
- DTC P0113: Intake Air Temperature Sensor - High Input
- DTC P0116: Engine Coolant Temperature Circuit - Performance Problem
- DTC P0117: Engine Coolant Temperature Sensor - Low Input
- DTC P0118: Engine Coolant Temperature Sensor - High Input
- DTC P0121: Throttle Position Sensor Stuck Closed/Open
- DTC P0122: Throttle Position Sensor - Low Input
- DTC P0123: Throttle Position Sensor - High Input
- DTC P0125: Excessive Time To Enter Closed Loop Fuel Control
- DTC P0126 & DTC P0128: Thermostat Stuck Open
- DTC P0131, DTC P0132, DTC P0151 Or DTC P0152
- DTC P0133 Or DTC P0153
- DTC P0134 Or DTC P0154
- DTC P0138 Or DTC P0158
- DTC P0140 Or DTC P0160
- DTC P0171 Or DTC P0174
- DTC P0172 Or DTC P0175
- DTC P0300: Random Misfire Detection
- DTC P0301, DTC P0302, DTC P0303, DTC P0304, DTC P0305 Or DTC P0306
- DTC P0327: Knock Sensor Circuit - Low Input
- DTC P0328: Knock Sensor Circuit - High Output
- DTC P0335: Crankshaft Position Sensor Circuit - Malfunction
- DTC P0340: Camshaft Position Sensor Circuit - Malfunction
- DTC P0401: EGR Flow Insufficient Detected
- DTC P0402: EGR Flow Excessive Detected
- DTC P0403: EGR Valve Stepper Motor Circuit - Malfunction
- DTC P0421 Or DTC P0431
- DTC P0441: EVAP System - Incorrect Purge Flow
- DTC P0442: EVAP System Leak Detected - Small Leak
- DTC P0443: EVAP System Purge Control Valve Circuit - Malfunction
- DTC P0446: EVAP System Vent Control - Malfunction
- DTC P0456: EVAP System Leak Detected - Very Small Leak
- DTC P0461: Fuel Gauge Sender Unit Circuit - Range/Performance
- DTC P0462: Fuel Gauge Sender Unit Circuit - Low Input
- DTC P0463: Fuel Gauge Sender Unit Circuit - High Input
- DTCP0480: Fan Control Module Circuit - Malfunction
- DTC P0500: Vehicle Speed Sensor Circuit - Malfunction
- DTC P0505: Idle Air Control Valve Circuit - Malfunction
- DTC P0506: Idle Control System - Rpm Lower Than Expected
- DTC P0507: Idle Control System - Rpm Higher Than Expected
- DTC P0550: Power Steering Switch Malfunction
- DTC P0660: Intake Manifold Communication Control Circuit - Malfunction
- DTC P0703: Brake Switch - Input Malfunction
- DTC P1309: Pcm Internal Circuit - Malfunction
- DTC P1487: EGR Boost Sensor Solenoid Valve Circuit - Malfunction
- DTC P1562: Pcm Backup Battery Voltage Low
- DTC P1602: Immobilizer Unit To Pcm Communication Error
- DTC P1603: Code Word Is Not Registered In Pcm
- DTC P1604: Key Id Numbers Not Registered In Pcm
- DTC P1621: Code Word Does Not Match After Engine Cranking
- DTC P1622: Key Id Number Does Not Match
- DTC P1623: Code Word Or Key Id Number Read/Write Error In Pcm
- DTC P1624: Immobilizer System Communication Counter = 0
- DTC P1631: Generator Output Voltage Signal No Electricity
- DTC P1633: Battery Overcharge
- DTC P1634: Generator Terminal B Circuit Open
- DTC P2401: EVAP System Leak Detection Pump Motor - Circuit Low
- DTC P2402: EVAP System Leak Detection Pump Motor - Circuit High
- DTC P2404: EVAP System Leak Detection Pump - Air Filter Clogging
- DTC P2405: EVAP System Leak Detection Pump - Orifice Fallen Off
- DTC P2406: EVAP System Leak Detection Pump - Orifice Clogging
- DTC P2407: EVAP System Leak Detection Pump - Malfunction
- DTC U0073: Can Bus Off
- DTC U0101: Pcm Cannot Receive Any Messages From TCM
- Reference Voltage
- After Repair Procedure