Trouble Code Definitions
WARNING: This page is about a different car, the 1998 Pontiac Grand Prix, 1998 Chevrolet Monte Carlo, 1998 Chevrolet Lumina, and 1998 Buick Century. 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 | ||
| P0107 | MAP Sensor Circuit-Low Voltage | ||
| P0108 | MAP Sensor Circuit-High Voltage | ||
| P0112 | IAT Sensor Circuit-Low Voltage | ||
| P0113 | IAT Sensor Signal Voltage High | ||
| P0117 | ECT Sensor Circuit Low Voltage | ||
| P0118 | ECT Sensor Signal High Voltage | ||
| P0121 | TP Sensor System Performance | ||
| P0122 | TP Sensor Circuit-Low Voltage | ||
| P0123 | TP Sensor Circuit-High Voltage | ||
| P0125 | ECT Excessive Time To Closed Loop | ||
| P0131 | HO2S Circuit Low Voltage-Sensor 1 | ||
| P0132 | HO2S Circuit High Voltage-Sensor 1 | ||
| P0133 | HO2S Slow Response-Sensor 1 | ||
| P0134 | HO2S Insufficient Activity-Sensor 1 | ||
| P0135 | HO2S Heater Circuit-Sensor 1 | ||
| P0137 | HO2S Circuit Voltage Low-Sensor 2 | ||
| P0138 | HO2S Circuit Voltage High-Sensor 2 | ||
| P0140 | HO2S Insufficient Activity-Sensor 2 | ||
| P0141 | HO2S Heater Circuit-Sensor 2 | ||
| P0171 | Fuel Trim System Lean | ||
| P0172 | Fuel Trim System Rich | ||
| 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 | ||
| P0230 | Fuel Pump Control Circuit | ||
| P0300 | Engine Misfire Detected | ||
| P0325 | Knock Sensor Module Circuit | ||
| P0327 | Knock Sensor Low Voltage | ||
| P0336 | 24X Reference Signal Circuit | ||
| P0341 | CMP Sensor Circuit | ||
| P0403 | EGR Solenoid Control Circuit | ||
| P0404 | EGR System Performance | ||
| P0405 | EGR Sensor Circuit Low Voltage | ||
| 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 | ||
| P0506 | IAC System RPM Low | ||
| P0507 | IAC System RPM High | ||
| P0530 | A/C Refrigerant Pressure Sensor Circuit | ||
| P0560 | System Voltage | ||
| P0601 | PCM Memory | ||
| P0602 | PCM Not Programmed | ||
| P0705 (1) | Trans. Range Switch Circuit | ||
| P0706 (1) | Trans. Range Switch Performance | ||
| P1106 | MAP Sensor Circuit Intermittent High Voltage | ||
| P1107 | MAP Sensor Circuit Intermittent Low Voltage | ||
| 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-Sensor 1 | ||
| P1134 | HO2S Transition Time Ratio-Sensor 1 | ||
| P1336 | CKP System Variation Not Learned | ||
| P1351 | IC Circuit Open | ||
| P1352 | By-Pass Line/Circuit Open | ||
| P1361 | IC Circuit Not Toggling | ||
| P1362 | By-Pass Circuit Shorted | ||
| P1374 | 3X Reference Circuit | ||
| P1380 | EBCM/EBTCM 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 | ||
| P1554 | Cruise Control Status Circuit | ||
| P1602 | EBCM/EBTCM Serial Data Circuit | ||
| P1605 | HVAC Serial Data Circuit (Century) | ||
| P1610 | Standard Body Module Serial Data Circuit | ||
| P1626 | Loss Of Serial Communication W/Theft Deterrent Or Theft Deterrent System Fuel Enable Circuit | ||
| P1630 | Theft Deterrent System-PCM In Learn Mode | ||
| P1635 | 5-Volt Reference "A" Circuit | ||
| P1639 | 5-Volt Reference "B" Circuit | ||
| P1641 | A/C Relay Control Circuit | ||
| P1642 | Change Oil Light Control Circuit (Lumina & Monte Carlo) | ||
| P1651 | Fan No. 1 Relay Control Circuit | ||
| P1652 | Fan No. 2 Relay Control Circuit | ||
| P1653 | Fuel Level Output Control Circuit Lumina & Monte Carlo) | ||
| P1662 | Cruise Control Inhibit Control Circuit | ||
| P1663 | Generator Light Control Circuit Lumina & Monte Carlo) | ||
| P1665 | EVAP Vent Solenoid Control Circuit | ||
| P1671 | MIL Control Circuit | ||
| P1676 | EVAP Vent Solenoid Control Circuit | ||
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