CHEVROLET fault codes
Coverage shown is GM data: 17,703 codes · 2,212 vehicle records · 180 ECU records · 10,756 live-data parameters.
CHEVROLET shares fault-code data with GM. Data may not cover CHEVROLET-specific systems.
Codes 17,703
| Code | Description | Brands | System |
|---|---|---|---|
| P1B40 | Left Front Outer Sensor - Component Internal Failure is no longer stored in the Parking Assist Control Module | 15 | Powertrain |
| P1B41 | Drive Motor Control Module Hybrid/EV Battery Voltage Isolation Sensing Performance | 14 | Powertrain |
| P1B42 | Drive Motor 2 Control Module Hybrid/EV Battery Voltage Isolation Sensing Performance | 15 | Powertrain |
| P1B43 | Drive Motor 2 Control Module Hybrid/EV Battery Voltage Isolation Sensing Circuit 2 Low Voltage | 14 | Powertrain |
| P1B44 | Drive Motor 2 Control Module Hybrid/EV Battery Voltage Isolation Sensing Circuit 2 High Voltage | 14 | Powertrain |
| P1B45 | GTOV battery voltage too low | 13 | Powertrain |
| P1B46 | GTOV battery voltage slope abnormal | 13 | Powertrain |
| P1B47 | GTOV DC over-current protection | 12 | Powertrain |
| P1B48 | GTOV DC current slope protection | 10 | Powertrain |
| P1B49 | GTOV DC current hall abnormal | 11 | Powertrain |
| P1B4A | GTOV DC current instantaneously too high | 10 | Powertrain |
| P1B4B | GTOV-IPM protection | 10 | Powertrain |
| P1B4C | GTOV recoverable fault continuous trigger | 10 | Powertrain |
| P1B4D | GTOV recoverable fault recovery timeout | 10 | Powertrain |
| P1B4E | Power network AC electric leakage | 10 | Powertrain |
| P1B4F | Charger response fault | 9 | Powertrain |
| P1B50 | ECU Kawalan Hibrid 1 | 13 | Powertrain |
| P1B51 | Relay off failed | 13 | Powertrain |
| P1B52 | Main positive relay stuck fault | 13 | Powertrain |
| P1B53 | Main negative relay stuck fault | 13 | Powertrain |
| P1B54 | Precharging circuit short | 11 | Powertrain |
| P1B55 | Charger AC input overvoltage | 11 | Powertrain |
| P1B56 | Charger overtemperature fault | 10 | Powertrain |
| P1B57 | Invalid Data Received(Cell Sensor) | 9 | Powertrain |
| P1B58 | PTC relay high side drive fault | 11 | Powertrain |
| P1B59 | Charger output current fault | 11 | Powertrain |
| P1B5A | Charging negative relay stuck | 11 | Powertrain |
| P1B5B | Reverse connection of battery electrodes | 11 | Powertrain |
| P1B5C | Main positive relay control circuit short to power | 9 | Powertrain |
| P1B5D | Main negative relay control circuit short to power | 9 | Powertrain |
| P1B5E | Pre-charge relay control circuit short to power | 9 | Powertrain |
| P1B5F | ECU Kawalan Hibrid 1 | 9 | Powertrain |
| P1B60 | Engine is not started in 12S | 14 | Powertrain |
| P1B61 | IPM radiator overtemperature fault | 12 | Powertrain |
| P1B62 | Insulated gate bipolar transistor (IGBT) three-phase temperature calibration fault warning | 13 | Powertrain |
| P1B63 | Current hall sensor C fault | 12 | Powertrain |
| P1B64 | Heating component relay control circuit short to power | 10 | Powertrain |
| P1B65 | Heating component relay adhesion fault | 10 | Powertrain |
| P1B66 | Temperature sampling line short to ground | 9 | Powertrain |
| P1B67 | Temperature sampling line short to power | 10 | Powertrain |
| P1B68 | Current sampling line short to power | 9 | Powertrain |
| P1B69 | Current sampling line short to ground | 8 | Powertrain |
| P1B6A | Hybrid/EV Battery 45 Circuit Low Voltage | 8 | Powertrain |
| P1B6B | Battery heat management system component fault | 9 | Powertrain |
| P1B6C | BMS and current sensor communication fault | 9 | Powertrain |
| P1B6D | Battery temperature rising too fast during heating | 9 | Powertrain |
| P1B6E | Battery temperature rising too slow during heating | 8 | Powertrain |
| P1B6F | Battery temperature difference too sharp during heating | 9 | Powertrain |
| P1B70 | Single battery heating time too long | 13 | Powertrain |
| P1B71 | Heater operating voltage abnormal | 13 | Powertrain |
Some brand data is extracted from diagnostic files and may contain manufacturer-specific wording. General SAE J2012 descriptions are used where available.