Diagnostic Code Index
WARNING: This page is about a different car, the 2012 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| DTC B096A | DTC B096A 02 Hazard Lamps Switch Backlight Circuit Short to Ground |
| DTC B1405, B1529, or B257B | DTC B1405 02 Control Module Voltage Reference Output 2 Circuit Short to Ground DTC B1405 03 Control Module Voltage Reference Output 2 Circuit Low Voltage DTC B1405 07 Control Module Voltage Reference Output 2 Circuit High Voltage DTC B1529 03 Control Module Voltage Reference Output 5 Circuit Low Voltage DTC B1529 07 Control Module Voltage Reference Output 5 Circuit High Voltage DTC B257B 03 Lighting Control Switch Signal Low Voltage DTC B257B 07 Lighting Control Switch Signal High Voltage |
| DTC B1480 | DTC B1480 02 Battery Rundown Protection Circuit Short to Ground |
| DTC B2530 | DTC B2530 01 Front Fog Lamps Control Circuit Short to Battery DTC B2530 02 Front Fog Lamps Control Circuit Short to Ground DTC B2530 04 Front Fog Lamps Control Circuit Open |
| DTC B2545 | DTC B2545 02 Backup Lamps Circuit Short to Ground DTC B2545 04 Backup Lamps Circuit Open |
| DTC B255D | DTC B255D 02 Passenger Compartment Lamp Control 2 Circuit Short to Ground |
| DTC B2560 | DTC B2560 02 Cargo Lamp Control Circuit Short to Ground |
| DTC B256A | DTC B256A 04 Liftgate Lamp Control Circuit Open |
| DTC B2570 | DTC B2570 01 Trunk Lamp Control Circuit Short to Battery DTC B2570 02 Trunk Lamp Control Circuit Short to Ground DTC B2570 04 Trunk Lamp Control Circuit Open |
| DTC B2575 or B2699 | DTC B2575 02 Headlamps Control Circuit Short to Ground DTC B2575 04 Headlamps Control Circuit Open DTC B2699 02 Right Headlamp Control Circuit Short to Ground DTC B2699 04 Right Headlamp Control Circuit Open |
| DTC B257A | DTC B257A 00 Headlamp Switch Input Signals Correlation Malfunction |
| DTC B2580 | DTC B2580 02 High Beam Control Circuit Short to Ground |
| DTC B2585 or B3867 | DTC B2585 01 Left Park Lamp Control Circuit Short to Battery DTC B2585 02 Left Park Lamp Control Circuit Short to Ground DTC B2585 04 Left Park Lamp Control Circuit Open DTC B3867 01 Right Park Lamp Control Circuit Short to Battery DTC B3867 02 Right Park Lamp Control Circuit Short to Ground DTC B3867 04 Right Park Lamp Control Circuit Open |
| DTC B258A | DTC B258A 01 Low Beam Control Circuit Short to Battery DTC B258A 02 Low Beam Control Circuit Short to Ground DTC B258A 04 Low Beam Control Circuit Open |
| DTC B2610 | DTC B2610 02 Passenger Compartment Dimming 1 Circuit Short to Ground |
| DTC B2615 | DTC B2615 02 Passenger Compartment Dimming 2 Circuit Short to Ground DTC B2615 04 Passenger Compartment Dimming 2 Circuit Open |
| DTC B2625 | DTC B2625 02 Display Dimming Pulse Width Modulation Output Circuit Short to Ground |
| DTC B263A | DTC B263A 02 Exterior Illumination Lamp Circuit Short to Ground |
| DTC B2645 | DTC B2645 03 Ambient Light Sensor Circuit Low Voltage DTC B2645 07 Ambient Light Sensor Circuit High Voltage |
| DTC B2652 | DTC B2652 02 Passenger Compartment Dimming 3 Circuit Short to Ground |
| DTC B2740 | DTC B2740 00 Front Fog Lamp Switch Circuit Malfunction |
| DTC B3596 | DTC B3596 00 Hazard Lamps Request Circuit Malfunction |
| DTC B3650 | DTC B3650 08 High Beam Request Signal Circuit Performance - Signal Invalid |
| DTC B3806 | DTC B3806 00 High Beam and Headlamp Flash Select Circuit Malfunction |
| DTC B3881 or B3882 | DTC B3881 02 Tail Lamp Circuit Short to Ground DTC B3881 04 Tail Lamp Circuit Open DTC B3882 02 Right Tail Lamp Circuit Short to Ground DTC B3882 04 Right Tail Lamp Circuit Open |
| DTC B3883 | DTC B3883 02 License Plate Lamp Circuit Short to Ground DTC B3883 04 License Plate Lamp Circuit Open |
| DTC B3884 | DTC B3884 02 Center High Mounted Brake Lamp Circuit Short to Ground DTC B3884 04 Center High Mounted Brake Lamp Circuit Open |
| DTC B3948 or B3949 | DTC B3948 02 Left Front Turn Signal Circuit Short to Ground DTC B3948 04 Left Front Turn Signal Circuit Open DTC B3949 02 Right Front Turn Signal Circuit Short to Ground DTC B3949 04 Right Front Turn Signal Circuit Open |
| DTC B3950 or B3951 | DTC B3950 02 Left Rear Turn Signal Circuit Short to Ground DTC B3950 04 Left Rear Turn Signal Circuit Open DTC B3951 02 Right Rear Turn Signal Circuit Short to Ground DTC B3951 04 Right Rear Turn Signal Circuit Open |
| DTC C0010 | DTC C0010 5A Reverse Gear Signal Circuit Not Plausible |
| DTC C0277 or C0890 | DTC C0277 06 Brake Pedal Position Sensor Circuit Short to Ground or Open DTC C0277 07 Brake Pedal Position Sensor Circuit High Voltage DTC C0277 09 Brake Pedal Position Sensor Circuit Too Fast Transitions DTC C0277 4B Brake Pedal Position Sensor Circuit Calibration Not Learned DTC C0890 03 Control Module Voltage Reference Output 3 Circuit Low Voltage DTC C0890 07 Control Module Voltage Reference Output 3 Circuit High Voltage |
| DTC C0297 | DTC C0297 02 Brake Applied Output Circuit Short to Ground |