Engine Self-Diagnostics - With Codes
- Introduction
- Self-Diagnostic System
- Programming
- Summary
- Fuel System Pressure Release
- Diagnostic Trouble Code Definitions
- Diagnostic Tests
- Notes
- DTC P0106: Barometric Pressure Out Of Range
- DTC P0107: Map Sensor Voltage Too Low
- DTC P0108: Map Sensor Voltage Too High
- DTC P0112: Intake Air Temperature Sensor Voltage Low
- DTC P0113: Intake Air Temperature Sensor Voltage High
- DTC P0117: ECT Sensor Volt Too Low
- DTC P0118: ECT Sensor Volt Too High
- DTC P0121: TP Sensor 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: O2 Sensor 1/1 Voltage Short To Ground
- DTC P0132: O2 Sensor 1/1 Short To Voltage
- DTC P0133: O2 Sensor 1/1 Slow Response
- DTC P0134: O2 Sensor 1/1 Stays At Center
- DTC P0135: O2 Sensor 1/1 Heater Failure
- DTC P0137: O2 Sensor 1/2 Voltage Short To Ground
- DTC P0138: O2 Sensor 1/2 Short To Voltage
- DTC P0140: O2 Sensor 1/2 Stays At Center
- DTC P0141: O2 Sensor 1/2 Heater Failure
- DTC P0171 & P0172: 1/1 Fuel System Lean/Rich
- DTC P0201: Injector No. 1 Control Circuit
- DTC P0202: Injector No. 2 Control Circuit
- DTC P0203: Injector No. 3 Control Circuit
- DTC P0204: Injector No. 4 Control Circuit
- DTC P0205: Injector No. 5 Control Circuit
- DTC P0206: Injector No. 6 Control Circuit
- DTC P0300-P0306: Misfire Detected
- DTC P0320: No Crank Reference Signal At Pcm (2.0L/2.4L)
- DTC P0320: No Crank Reference Signal At Pcm (2.5L)
- DTC P0325: Knock Sensor Circuit (2.0L/2.4L)
- DTC P0340: No Cam Signal At Pcm (2.0L/2.4L)
- DTC P0340: No Cam Signal At Pcm (2.5L)
- DTC P0351: Ignition Coil No. 1 Primary Circuit (2.0L/2.4L)
- DTC P0351: Ignition Coil No. 1 Primary Circuit (2.5L)
- DTC P0352: Ignition Coil No. 2 Primary Circuit (2.0L/2.4L)
- DTC P0401: EGR System Failure
- DTC P0403: EGR Solenoid Circuit
- DTC P0420: 1/1 Catalyst Converter Efficiency
- DTC P0441: EVAP Purge Flow Monitor Failure
- DTC P0442: EVAP Leak Monitor Small Leak Detected Or DTC P0455: EVAP Leak Monitor Large Leak Detected
- DTC P0443: EVAP Purge Solenoid Circuit
- DTC P0460: Fuel Level Sending Unit No Change Over Miles
- 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 P0551: Power Steering Switch Failure
- DTC P0600: Pcm Failure SPI Communications
- DTC P0601: Internal Controller Failure
- DTC P0622: Generator Field Not Switching Properly
- DTC P0645: A/C Compressor Clutch Relay Circuit
- DTC P0700: EATX Controller DTC Present
- DTC P0703: Brake Switch Stuck Pressed Or Released
- DTC P1195: Slow Upstream O2 Sensor During Catalyst Monitor
- DTC P1281: Engine Is Cold Too Long
- DTC P1282: Fuel Pump Relay Control Circuit
- DTC P1294: Target Idle Not Reached
- DTC P1297: No Change In Map Sensor From Start To Run
- DTC P1299: Vacuum Leak Found (IAC Fully Seated)
- DTC P1388: ASD Relay Control Circuit
- DTC P1389: No ASD Relay Output Voltage At Pcm
- DTC P1390: Timing Belt Skipped 1 Tooth Or More
- DTC P1391: Intermittent Loss Of CMP Or CKP
- DTC P1398: Mis-Fire Adaptive Numerator At Limit (2.0L/2.4L)
- DTC P1398: Mis-Fire Adaptive Numerator At Limit (2.5L)
- DTC P1486: EVAP Leak MON Pinched Hose Found
- DTC P1489: High Speed Fan Control Relay Circuit
- DTC P1490: Low Speed Fan Control Relay Circuit
- DTC P1492: Battery Temperature Sensor Voltage Too High Or DTC P1493: Battery Temperature Sensor Voltage Too Low
- DTC P1494: Leak Detection Pump SW Or Mech Fault
- DTC P1495: Leak Detection Pump Solenoid Circuit
- DTC P1496: 5-Volt Supply Output Too Low
- DTC P1594: Charging System Voltage Too High
- DTC P1595: Speed Control Solenoid Circuits
- DTC P1596: Speed Control Switch Always High
- DTC P1597: Speed Control Switch Always Low
- DTC P1598: A/C Pressure Sensor Voltage Too High
- DTC P1599: A/C Pressure Sensor Voltage Too Low
- DTC P1682: Charging System Voltage Too Low
- DTC P1695: No CCD Message From Body Control Module
- DTC P1696: Pcm Failure EEPROM Write Denied Or DTC P1697: Pcm Failure Sri Mile Not Stored
- DTC P1698: No CCD Messages From TCM
- DTC P1899: Park/Neutral Switch Stuck In Park Or Gear (A/T Only)
- Test NTC-1: No Trouble Code Test Menu
- Test NTC-2: Checking Engine Coolant Temperature Sensor Calibration
- Test NTC-3: Checking Exhaust Gas RECIRCULATION System
- Test NTC-4: Checking Engine Mechanical Systems
- Test NTC-5: Checking Engine Vacuum
- Test NTC-6: Checking Evaporative Emission System
- Test NTC-7: Checking For Oxygen Sensor Switching
- Test NTC-8: Checking Idle Air Control Motor
- Test NTC-9: Checking Intake Air Temperature Sensor
- Test NTC-10: Checking Manifold Absolute Pressure Sensor Calibration
- Test NTC-11: Checking Oxygen Sensor Heater
- Test NTC-12: Checking Park/Neutral Switch
- Test NTC-13: Checking Powertrain Control Module Power & Ground Circuits
- Test NTC-14: Checking Secondary Ignition & Timing
- Test NTC-15: Checking Fuel Pressure
- Test NTC-16: Checking Minimum Idle Air Flow
- Test NTC-17: Checking Throttle Position Sensor Calibration
- Test NTC-18: Checking Brake Switch Sense
- Test NTC-19: Checking Charging System
- Test NS-SEL: No Start Test Selection
- Test NS-1: No Response Condition
- Test NS-2: Checking Engine Mechanical Systems
- Test NS-3: Checking Fuel System
- Test NS-4: Fuel Pump Inoperative
- Test NS-5: High Fuel Pressure
- Test NS-6: Low Fuel Pressure
- Test NS-7: No Crank Condition
- Test NS-8: Qualifying A No Start Condition
- Test NS-9: Start & Stall Condition
- Test VER-1A: No Start Verification
- Test VER-2A: Road Test For Non-OBD II
- Test VER-3A: Charging Verification
- Test VER-4A: Speed Control Verification
- Test VER-5A: Road Test For OBD II Verification
- Test VER-5A2: Fuel Rich/Lean Or Misfire Verification
- Test VER-5A3: OBD-II Monitor Verification
- Test VER-6A: LDP Dealer Test Mode