Engine Controls - Self-Diagnostics
- Introduction
- Self-Diagnostic System
- Powertrain Control Module Location
- Programming
- Summary
- Fuel System Pressure Release
- Diagnostic Trouble Code Definitions
- Connector Identification
- Diagnostic Tests
- Notes
- DTC P0031: O/2 Sensor Heater Circuit Low 1/1 Or DTC P0032: O/2 Sensor Heater Circuit High 1/1
- DTC P0037: O/2 Sensor Heater Circuit Low 1/2 Or DTC P0038: O/2 Sensor Heater Circuit High 1/2
- DTC P0051: O/2 Sensor Heater Circuit Low 2/1 Or DTC P0052: O/2 Sensor Heater Circuit High 2/1
- DTC P0071: Ambient Temp Sensor Performance
- DTC P0107: Map Sensor Voltage Too Low
- DTC P0108: Map Sensor Voltage Too High
- DTC P0111: Intake Air Temp Performance
- DTC P0112: Intake Air Temp Sensor Voltage Low
- DTC P0113: Intake Air Temp Sensor Voltage High
- DTC P0117: ECT Sensor Voltage Too Low
- DTC P0118: ECT Sensor Voltage Too High
- DTC P0121: TPS Voltage Does Not Agree With Map
- DTC P0122: Throttle Position Sensor Voltage Low
- DTC P0123: Throttle Position Sensor Voltage High
- DTC P0125: Closed Loop Temp Not Reached
- DTC P0131 - 1/1, P0137 - 1/2, P0151 - 2/1 & P0157 - 2/2: O2 Sensor Shorted To Ground
- DTC P0132 - 1/1, P0138 - 1/2, P0152 - 2/1 & P0158 - 2/2: O2 Sensor Shorted To Voltage
- DTC P0133 - 1/1, P0139 - 1/2, P0153 - 2/1, P0159 - 2/2: O2 Sensor Slow Response
- DTC P0135 - 1/1, P0141 - 1/2, P0155 - 2/1, P0161 - 2/2: O2 Sensor Heater Failure
- DTC P0136: 1/2 O2 Sensor Heater Circuit Malfunction
- DTC P0171 & DTC P0174: Fuel System Lean
- DTC P0172 & DTC P0175: Fuel System Rich
- DTC P0201-0208: Injector Control Circuit
- DTC P0300-0308: Multiple Cylinder Misfire
- DTC P0320: No Crank Reference Signal At Pcm
- DTC P0340: No Cam Signal At Pcm
- DTC P0351: Ignition Coil #1 Primary Circuit
- DTC P0352: Ignition Coil #2 Primary Circuit
- DTC P0353: Ignition Coil #3 Primary Circuit
- DTC P0354: Ignition Coil #4 Primary Circuit
- DTC P0355: Ignition Coil #5 Primary Circuit
- DTC P0356: Ignition Coil #6 Primary Circuit
- DTC P0357: Ignition Coil #7 Primary Circuit
- DTC P0358: Ignition Coil #8 Primary Circuit
- DTC P0420: 1/1 Catalytic Converter Efficiency
- DTC P0432: 2/1 Catalytic Converter Efficiency
- DTC P0441: EVAP Purge Flow Monitor
- DTC P0442, P0455 & DTC P0456: EVAP Leak Monitor Medium/Large/Small Leak Detected
- DTC P0443: EVAP Purge Solenoid Circuit
- DTC P0460/461: Fuel Level Unit No Change Over Miles/Time
- DTC P0462: Fuel Level Sending Unit Volts Too Low
- DTC P0463: Fuel Level Sending Unit Volts Too High
- DTC P0500: No Vehicle Speed Sensor Signal
- DTC P0505: Idle Air Control Motor Circuits
- DTC P0522: Oil Pressure Sensor Volts Low
- DTC P0523: Oil Pressure Sensor Volts High
- DTC P0551: Power Steering Switch Failure
- DTC P0601: Pcm Internal Controller Failure
- DTC P0622: Generator Field Not Switching Properly
- DTC P0645: A/C Clutch Relay Circuit
- DTC P1195 - 1/1, P1196 - 2/1 & P1197 - 1/2: O2 Sensor Slow During Catalyst Monitor
- DTC P1281: Engine Is Cold Too Long
- DTC P1282: Fuel Pump Relay Control Circuit
- DTC P1294: Target Idle Not Reached
- DTC P1296: No 5 Volts To Map Sensor
- DTC P1297: No Change In Map From Start To Run
- DTC P1299: Vacuum Leak Found (IAC Fully Seated)
- DTC P1388: Auto Shutdown Relay Control Circuit
- DTC P1389: No ASD Relay Output Voltage At Pcm
- DTC P1391: Intermittent Loss Of CMP Or CKP
- DTC P1398: Mis-Fire Adaptive Numerator At Limit
- DTC P1486: EVAP Leak Monitor Pinched Hose Found
- DTC P1491: Rad Fan Control Relay Circuit
- DTC P1492: Ambient/Batt Temp Sen Volts Too High
- DTC P1493: Ambient/Batt Temp Sen Volts Too Low
- DTC P1494: Leak Detection Pump SW Or Mechanical Fault
- DTC P1495: Leak Detection Pump Solenoid Circuit
- DTC P1598: A/C Pressure Sensor Volts Too High
- DTC P1599: A/C Pressure Sensor Volts Too Low
- DTC P1685: Invalid Skim Key
- DTC P1686: No Skim Bus Message Received
- DTC P1687: No Cluster Bus Message
- Test VER-1: Powertrain Verification
- Test VER-2: Road Test Verification
- Test VER-3: Charging System Verification
- Test VER-4: Speed Control Verification
- Test VER-5: OBD-II Monitor Verification
- Test VER-6: Leak Detection Pump (LDP) Verification
- Test VER-7: Fuel/Misfire Verification
- Test VER-8: Transmission Verification
- Test VER-9: Transmission Verification
- Test VER-10: Skis Verification Test