Trouble Code Definitions
WARNING: This page is about a different car, the 1998 Cadillac Seville, 1998 Cadillac Eldorado, and 1998 Cadillac DeVille. However, it is still accessible from the selected car via links, so may be relevant.
TROUBLE CODE DEFINITION
| Code No. | Circuit Affected |
|---|---|
| P0101 | MAF System Performance |
| P0102 | MAF Sensor Circuit-Low Frequency |
| P0103 | MAF Sensor Circuit-High Frequency |
| P0105 | MAP Sensor Circuit Insufficient Activity |
| P0106 | MAP Sensor System Performance |
| P0107 | MAP Sensor Circuit-Low Voltage |
| P0108 | MAP Sensor Circuit-High Voltage |
| P0111 | IAT Sensor Circuit Performance |
| P0112 | IAT Sensor Circuit-Low Voltage |
| P0113 | IAT Sensor Signal Voltage High |
| P0116 | ECT Sensor Circuit Performance |
| P0117 | ECT Sensor Circuit Low Voltage |
| P0118 | ECT Sensor Signal High Voltage |
| P0120 | TP Sensor System Performance |
| P0121 | TP Sensor Circuit Insufficient Activity |
| P0122 | TP Sensor Circuit-Low Voltage |
| P0123 | TP Sensor Circuit-High Voltage |
| P0125 | ECT Excessive Time To Closed Loop |
| P0131 | HO2S Circuit Low Voltage-Bank 1, Sensor 1-Rear |
| P0132 | HO2S Circuit High Voltage-Bank 1, Sensor 1 |
| P0133 | HO2S Slow Response-Bank 1, Sensor 1-Rear |
| P0134 | HO2S Insufficient Activity-Bank 1, Sensor 1 |
| P0135 | HO2S Heater Circuit-Bank 1, Sensor 1-Rear |
| P0144 | HO2S Circuit Voltage High-Bank 1, Sensor 3 |
| P0146 | HO2S Circuit Insufficient Activity-Bank 1, Sensor 3 |
| P0147 | HO2S Heater Circuit-Bank 1, Sensor 3 |
| P0151 | HO2S Circuit Voltage Low-Bank 2, Sensor 1 |
| P0152 | HO2S Circuit Voltage High-Bank 2, Sensor 1 |
| P0153 | HO2S Slow Response-Bank 2, Sensor 1 |
| P0154 | HO2S Circuit Insufficient Activity-Bank 2, Sensor 1 |
| P0155 | HO2S Heater Circuit-Bank 2, Sensor 1 |
| P0171 | Fuel Trim System Lean-Bank 1 |
| P0172 | Fuel Trim System Rich-Bank 1 |
| P0174 | Fuel Trim System Lean-Bank 2 |
| P0175 | Fuel Trim System Rich-Bank 2 |
| P0201 | Injector No. 1 Control Circuit |
| P0202 | Injector No. 2 Control Circuit |
| P0203 | Injector No. 3 Control Circuit |
| P0204 | Injector No. 4 Control Circuit |
| P0205 | Injector No. 5 Control Circuit |
| P0206 | Injector No. 6 Control Circuit |
| P0207 | Injector No. 7 Control Circuit |
| P0208 | Injector No. 8 Control Circuit |
| P0231 | Fuel Pump Feedback Circuit Low Voltage |
| P0232 | Fuel Pump Feedback Circuit High Voltage |
| P0300 | Engine Misfire Detected |
| P0322 | IC Module 4X Reference Circuit No Frequency |
| P0325 | Knock Sensor Module Circuit |
| P0326 | Knock Sensor Circuit Excessive Spark Retard |
| P0327 | Knock Sensor Low Voltage |
| P0340 | Ignition Control (IC) Module CAM Reference Circuit No Frequency |
| P0371 | IC Module 24X Reference Circuit Too Many Pulses |
| P0372 | IC Module 24X Reference Circuit Missing Pulses |
| P0404 | EGR System Performance |
| P0405 | EGR Sensor Circ. Voltage Out Of Range |
| P0420 | TWC System Low Efficiency |
| P0440 | EVAP System |
| P0442 | EVAP System-Small Leak Detected |
| P0446 | EVAP System Canister Vent Blocked |
| P0452 | Tank Pressure Sensor Circuit Fault-Low Voltage |
| P0453 | Tank Pressure Sensor Circuit Fault-High Voltage |
| P0461 | Fuel Level Sensor Circuit Performance |
| P0462 | Fuel Level Sensor Circuit-Voltage Low |
| P0463 | Fuel Level Sensor Circuit-Voltage High |
| P0506 | IAC System RPM Low |
| P0507 | IAC System RPM High |
| P0550 | PSP Switch Circuit Voltage Low |
| P0560 | System Voltage |
| P0563 | System Voltage High |
| P0601 | PCM Memory |
| P0602 | PCM Not Programmed |
| P0603 | PCM Memory Reset |
| P0606 | PCM Internal Comm. Interrupted |
| P1106 | MAP Sensor Circuit Intermittent High Voltage |
| P1107 | MAP Sensor Circuit Intermittent Low Voltage |
| P1108 | BARO-To-MAP Sensor Circuit Comparison Too High |
| P1111 | IAT Sensor Circuit Intermittent High Voltage |
| P1112 | IAT Sensor Circuit Intermittent Low Voltage |
| P1114 | ECT Sensor Circuit Intermittent Low Voltage |
| P1115 | ECT Sensor Circuit Intermittent High Voltage |
| P1121 | TP Sensor Intermittently High Voltage |
| P1122 | TP Sensor Intermittent Low Voltage |
| P1133 | HO2S Insufficient Switching-Bank 1, Sensor 1 |
| P1134 | HO2S Transition Time Ratio-Bank 1, Sensor 1 |
| P1153 | HO2S Insufficient Switching-Bank 2, Sensor 1 |
| P1154 | HO2S Transition Time Ratio-Bank 2, Sensor 1 |
| P1189 | Engine Oil Pressure Switch Circuit |
| P1258 | Engine Over-Temperature Protection |
| P1320 | IC Module 4X Ref. Circuit Intermittent/No Pulse |
| P1323 | IC Module 24X Ref. Circuit Low Frequency |
| P1350 | Ignition Control System |
| P1370 | IC Module 4X Ref. Circuit Too Many Pulses |
| P1371 | IC Module 4X Ref. Circuit Too Few Pulses |
| P1375 | IC Module 24X Ref. Circuit High Voltage |
| P1376 | Ignition Ground Circuit |
| P1377 | IC Module CAM Pulse-To-4X Reference Pulse Comparison |
| P1380 | ABS DTC Rough Road Data Unstable |
| P1381 | Misfire Detected, No EBCM/PCM/VCM Serial Data |
| P1404 | EGR Valve Pintle Stuck Open |
| P1441 | EVAP System Flow During Non-Purge |
| P1483 | Engine Cooling System Performance |
| P1508 | IAC System Low RPM |
| P1509 | IAC System High RPM |
| P1520 | Gear Indicator System |
| P1524 | TP Sensor Learned Closed Throttle Angle |
| P1527 | Transaxle Range/Pressure Switch Comparison |
| P1554 | Cruise Engaged Circuit Voltage High |
| P1560 | Cruise Control System-Trans. Not In Drive |
| P1564 | Cruise Control System-Acceleration Too High |
| P1566 | Cruise Control System-Engine RPM Too High |
| P1570 | Cruise Control System-Traction Control Active |
| P1571 | TCS PWM Circuit No Frequency |
| P1574 | EBTCM System-Stoplight Switch Circuit Voltage High |
| P1575 | Extended Travel Brake Switch Circuit |
| P1579 | P/N-To-Drive/Reverse At High Throttle Angle |
| P1599 | Engine Stall Or Near Stall Detected |
| P1602 | Loss Of EBTCM Serial Data |
| P1604 | Loss Of IPC Serial Data |
| P1605 | Loss Of HVAC Serial Data |
| P1610 | Loss Of PZM Serial Data |
| P1611 | Loss Of CVRTD Serial Data |
| P1617 | Engine Oil Level Switch Circuit |
| P1621 | PCM Memory Performance |
| P1626 | Loss Of Serial Communication W/Theft Deterrent Or Theft Deterrent System Fuel Enable Circuit |
| P1630 | Theft Deterrent System-PCM In Learn Mode |
| P1631 | Theft Deterrent System-Password Incorrect |
| P1632 | Theft Deterrent System-Fuel Disabled |
| P1633 | Ignition Supplement Power Circuit Voltage Low |
| P1634 | Ignition 1 Power Circuit Voltage Low |
| P1640 | Driver No. 1-Input Voltage High |
| P1641 | MIL Control Circuit |
| P1642 | Vehicle Speed Output Circuit |
| P1644 | Delivered Torque Output Circuit |
| P1645 | EVAP Purge Solenoid Output Circuit |
| P1646 | EVAP Vent Valve Output Circuit |
| P1650 | Driver No. 2-Input High Voltage |
| P1652 | Lift/Dive Output Circuit |
| P1654 | Cruise Disable Output Circuit |
| P1660 | Cooling Fan Control Circuits |