Section 25 (Engine Controls - Tests W/Codes)
WARNING: This page is about a different car, the 1998 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.
- Introduction
- Self-Diagnostic System
- Diagnostic System
- Diagnostic Procedure
- Powertrain On-Board Diagnostic (OBD) System Check
- DLC Diagnosis Or No Scan Tool Data
- Reading Trouble Codes
- Trouble Code Definitions
- Hard Or Intermittent Trouble Code Determination
- Clearing Diagnostic Trouble Codes (DTC)
- ECM/Pcm/VCM Location
- Diagnostic Materials
- Special Tools (Diagnostic)
- Scan Tool Usage
- Summary
- Diagnostic Trouble Codes
- Notes
- DTC P0101 - MAF Sensor System Performance
- DTC P0102 - MAF Sensor Circuit Low Frequency
- DTC P0103 - MAF Sensor Circuit High Frequency
- DTC P0105 - Map Sensor Circuit Insufficient Activity
- DTC P0106 - Map System Performance
- DTC P0107 - Map Sensor Circuit Low Voltage
- DTC P0108 - Map Sensor Circuit High Voltage
- IAT Temperature-To-Resistance Values
- DTC P0111 - IAT Sensor Circuit Performance
- DTC P0112 - IAT Sensor Circuit Low Voltage
- DTC P0113 - IAT Sensor Circuit High Voltage
- DTC P0116 - ECT Sensor Circuit Performance
- ECT Temperature-To-Resistance Values
- DTC P0117 - ECT Sensor Circuit Low Voltage
- DTC P0118 - ECT Sensor Circuit High Voltage
- DTC P0120 - TP Sensor System Performance
- DTC P0121 - TP Sensor Circuit Insufficient Activity
- DTC P0122 - TP Sensor Circuit Voltage Low
- DTC P0123 - TP Sensor Circuit High Voltage
- DTC P0125 - ECT Excessive Time To Reach Closed Loop
- DTC P0131 - Ho2S Circuit Low Voltage Bank 1, Sensor 1 (Rear)
- DTC P0132 - Ho2S Circuit High Voltage Bank 1, Sensor 1 (Rear)
- DTC P0133 - Ho2S Slow Response Bank 1, Sensor 1 (Rear)
- DTC P0134 - Ho2S Insufficient Activity Bank 1, Sensor 1 Rear)
- DTC P0135 - Ho2S Heater Circuit Bank 1, Sensor 1 (Rear)
- DTC P0143 - Ho2S Circuit Voltage Low Bank 1, Sensor 3 Post Converter)
- DTC P0144 - Ho2S Circuit Voltage High Bank 1, Sensor 3 Post-Converter)
- DTC P0146 - Ho2S Circuit Insufficient Activity Bank 1, Sensor 3 (Post-Converter)
- DTC P0147 - Ho2S Heater Circuit Bank 1, Sensor 3 Post-Converter)
- DTC P0151 - Ho2S Circuit Voltage Low Bank 2, Sensor 1 (Front)
- DTC P0152 - Ho2S Circuit Voltage High Bank 2, Sensor 1 Front)
- DTC P0153 - Ho2S Slow Response Bank 2, Sensor 1 (Front)
- DTC P0154 - Ho2S Circuit Insufficient Activity Bank 2, Sensor 1 (Front)
- DTC P0155 - Ho2S Heater Circuit Bank 2, Sensor 1 (Front)
- DTC P0171 - Fuel Trim System Lean Bank 1
- DTC P0172 - Fuel Trim System Rich Bank 1
- DTC P0174 - Fuel Trim System Lean Bank 2
- DTC P0175 - Fuel Trim System Rich Bank 2
- 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 P0207 - Injector No. 7 Control Circuit
- DTC P0208 - Injector No. 8 Control Circuit
- DTC P0231 - Fuel Pump Feedback Circuit Low Voltage
- DTC P0232 - Fuel Pump Feedback Circuit High Voltage
- DTC P0300-P0308 - Engine Misfire Detected
- DTC P0322 - Ignition Control (Ic) Module 4X Reference Circuit No Frequency
- DTC P0325 - Knock Sensor Module Circuit
- DTC P0326 - Knock Sensor Circuit (Excessive Spark Retard)
- DTC P0327 - Knock Sensor Low Voltage
- DTC P0340 - Ignition Control (Ic) Module Cam Reference Circuit No Frequency
- DTC P0371 - Ignition Control (Ic) Module 24X Reference Circuit Too Many Pulses
- DTC P0372 - Ignition Control (Ic) Module 24X Reference Circuit Missing Pulses
- DTC P0401 - EGR System Malfunction
- DTC P0404 - EGR System Performance
- DTC P0405 - EGR Valve Sensor Circuit Voltage Out Of Range
- DTC P0420 - TWC System Low Efficiency
- DTC P0440 - EVAP System
- DTC P0442 - EVAP System (Small Leak Detected)
- DTC P0446 - EVAP System Canister Vent Blocked
- DTC P0452 - Tank Pressure Sensor Circuit Fault (Low Voltage)
- DTC P0453 - Tank Pressure Sensor Circuit Fault (High Voltage)
- DTC P0461 - Fuel Level Sensor Circuit Performance
- DTC P0462 - Fuel Level Sensor Circuit Voltage Low
- DTC P0463 - Fuel Level Sensor Circuit Voltage High
- DTC P0506 - IAC System Rpm Low
- DTC P0507 - IAC System Rpm High
- DTC P0550 - Power Steering Pressure Switch Circuit Voltage Low
- DTC P0560 - System Voltage Low
- DTC P0563 - System Voltage High
- DTC P0601 - Pcm Memory
- DTC P0602 - Pcm Not Programmed
- DTC P0603 - Pcm Memory Reset
- DTC P0606 - Pcm Internal Communication Interrupted
- DTC P1106 - Map Sensor Circuit Intermittent High Voltage
- DTC P1107 - Map Sensor Circuit Intermittent Low Voltage
- DTC P1108 - BARO-To-Map Sensor Circuit Comparison Too High
- DTC P1111 - IAT Sensor Circuit Intermittent High Voltage
- DTC P1112 - IAT Sensor Circuit Intermittent Low Voltage
- DTC P1114 - ECT Sensor Circuit Intermittent Low Voltage
- DTC P1115 - ECT Sensor Circuit Intermittent High Voltage
- DTC P1121 - TP Sensor Circuit Intermittent High Voltage
- DTC P1122 - TP Sensor Circuit Intermittent Low Voltage
- DTC P1133 - Ho2S Insufficient Switching Bank 1, Sensor 1 Rear)
- DTC P1134 - Ho2S Transition Time Ratio Bank 1, Sensor 1 Rear)
- DTC P1153 - Ho2S Insufficient Switching Bank 2, Sensor 1 Pre-Converter)
- DTC P1154 - Ho2S Transition Time Ratio Bank 2, Sensor 1 Front)
- DTC P1258 - Engine Over-Temperature Protection
- DTC P1320 - Ignition Control (Ic) Module 4X Reference Circuit Intermittent No Pulse
- DTC P1323 - Ignition Control (Ic) Module 24X Reference Circuit Low Frequency
- DTC P1350 - Ignition Control (Ic) System
- DTC P1370 - Ignition Control (Ic) Module 4X Reference Circuit Too Many Pulses
- DTC P1371 - Ignition Control (Ic) Module 4X Reference Circuit Too Few Pulses
- DTC P1375 - Ignition Control (Ic) Module 24X Reference Circuit High Voltage
- DTC P1376 - Ignition Ground Circuit
- DTC P1377 - Ignition Control (Ic) Module Cam Pulse To 4X Reference Pulse Comparison
- DTC P1380 - Abs DTC Rough Road Data Unstable
- DTC P1381 - Misfire Detected-No EBTCM/Pcm Serial Data
- DTC P1404 - EGR Valve Pintle Stuck Open
- DTC P1441 - EVAP System Flow During Non-Purge
- DTC P1483 - Engine Cooling System Performance
- DTC P1508 - IAC System Low Rpm
- DTC P1509 - IAC System High Rpm
- DTC P1520 - Park/Neutral Position (PNP) Switch Circuit
- DTC P1524 - TP Sensor Learned Closed Throttle Angle
- DTC P1533 - A/C Low Side Temperature Sensor Circuit
- DTC P1535 - A/C High Side Temperature Sensor Circuit
- DTC P1536 - A/C System ECT Over-Temperature
- DTC P1537 - A/C Request Circuit Low Voltage
- DTC P1538 - A/C Request Circuit High Voltage
- DTC P1540 - A/C System - High Pressure
- DTC P1542 - A/C System High Pressure/High Temperature
- DTC P1554 - Cruise Engaged With Circuit Voltage High
- DTC P1560 - Cruise Control System Transaxle Not In Drive
- DTC P1564 - Cruise Control System Vehicle Acceleration Too High
- DTC P1566 - Cruise Control System Engine Rpm Too High
- DTC P1567 - Cruise Control ABCS Active
- DTC P1570 - Cruise Control System Traction Control Active
- DTC P1571 - Traction Control System Pulse Width Modulated PWM) Circuit No Frequency
- DTC P1574 - EBTCM System Stoplight Switch Circuit Voltage High
- DTC P1575 - Extended Travel Brake Switch Circuit Voltage High
- DTC P1579 - Park/Neutral-To-Drive/Reverse At High Throttle Angle
- DTC P1599 - Engine Stall Or Near Stall Detected
- DTC P1602 - Loss Of EBTCM Serial Data
- DTC P1604 - Loss Of Instrument Panel Cluster (IPC) Serial Data
- DTC P1605 - Loss Of HVAC Serial Data
- DTC P1617 - Engine Oil Level Switch Circuit
- DTC P1621 - Pcm Memory Performance
- DTC P1626 - Theft Deterrent System Fuel Enable Circuit
- DTC P1633 - Ignition Supplement Power Circuit Voltage Low
- DTC P1634 - Ignition 1 Power Circuit Voltage Low
- DTC P1637 - Generator "L" Terminal Circuit
- DTC P1638 - Generator "F" Terminal Circuit
- DTC P1640 - Driver 1 - Input Voltage High
- DTC P1641 - Malfunction Indicator Light (Mil) Control Circuit
- DTC P1642 - Vehicle Speed Output Circuit
- DTC P1644 - Delivered Torque Output Circuit
- DTC P1645 - EVAP Purge Solenoid Output Circuit
- DTC P1646 - EVAP Vent Valve Output Circuit
- DTC P1650 - Driver 2 - Input Voltage High
- DTC P1654 - Cruise Disable Output Circuit
- DTC P1660 - Cooling Fan Control Circuits