Diagnostic Code Index
WARNING: This page is about a different car, the 2010 Buick LaCrosse. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| DTC B096A | B096A 02: Hazard Lamps Switch Backlight Circuit Short to Ground |
| DTC B0984 or B0985 | B0984 00: Left Headlamp Light Distribution Shutter Control Circuit Malfunction B0985 00: Right Headlamp Light Distribution Shutter Control Circuit Malfunction |
| DTC B1461 or B1462 | B1461 00: Left Headlamp Horizontal Motor Circuit Malfunction B1462 00: Right Headlamp Horizontal Motor Circuit Malfunction |
| DTC B1480 | B1480 02: Battery Rundown Protection Circuit Short to Ground |
| DTC B2530 | B2530 01: Front Fog Lamps Control Circuit Short to Battery B2530 02: Front Fog Lamps Control Circuit Short to Ground B2530 04: Front Fog Lamps Control Circuit Open |
| DTC B2545 | B2545 02: Backup Lamps Circuit Short to Ground B2545 04: Backup Lamps Circuit Open |
| DTC B2555 | B2555 02: Passenger Compartment Lamp Control Circuit Short to Ground |
| DTC B2560 | B2560 02: Cargo Lamp Control Circuit Short to Ground |
| DTC B2575 or B2699 | B2575 00: Headlamps Control Circuit Short Malfunction B2575 02: Headlamps Control Circuit Short to Ground B2575 04: Headlamps Control Circuit Open B2699 00: Right Headlamp Control Circuit Short Malfunction B2699 02: Right Headlamp Control Circuit Short to Ground B2699 04: Right Headlamp Control Circuit Open |
| DTC B257A | B257A 00: Headlamp Switch Input Signals Correlation Malfunction |
| DTC B257B | B257B 03: Lighting Control Switch Signal Low Voltage B257B 07: Lighting Control Switch Signal High Voltage |
| DTC B257C or B257D | B257C 00: Left Headlamp Assembly Malfunction B257D 00: Right Headlamp Assembly Malfunction |
| DTC B2580 | B2580 01: High Beam Control Circuit Short to Battery B2580 04: High Beam Control Circuit Open |
| DTC B2585 or B3867 | B2585 01: Left Park Lamp Control Circuit Short to Battery B2585 02: Left Park Lamp Control Circuit Short to Ground B2585 04: Left Park Lamp Control Circuit Open B3867 01: Right Park Lamp Control Circuit Short to Battery B3867 02: Right Park Lamp Control Circuit Short to Ground B3867 04: Right Park Lamp Control Circuit Open |
| DTC B258A | B258A 01: Low Beam Control Circuit Short to Battery |
| DTC B2600 | B2600 01: Left Daytime Running Lamps Control Circuit Short to Battery B2600 02: Left Daytime Running Lamps Control Circuit Short to Ground B2600 04: Left Daytime Running Lamps Control Circuit Open |
| DTC B2605 | B2605 01: Right Daytime Running Lamps Control Circuit Short to Battery B2605 02: Right Daytime Running Lamps Control Circuit Short to Ground B2605 04: Right Daytime Running Lamps Control Circuit Open |
| DTC B260B or B260C | B260B 01: Left Daytime Running Lamp Relay Control Circuit Short to Battery B260B 02: Left Daytime Running Lamp Relay Control Circuit Short to Ground B260B 04: Left Daytime Running Lamp Relay Control Circuit Open B260C 01: Right Daytime Running Lamp Relay Control Circuit Short to Battery B260C 02: Right Daytime Running Lamp Relay Control Circuit Short to Ground B260C 04: Right Daytime Running Lamp Relay Control Circuit Open |
| DTC B2610 | B2610 02: Passenger Compartment Dimming 1 Circuit Short to Ground |
| DTC B2615 | B2615 02: Passenger Compartment Dimming 2 Circuit Short to Ground |
| DTC B2625 | B2625 02: Display Dimming Pulse Width Modulation Output Circuit Short to Ground |
| DTC B263A | B263A 02: Exterior Illumination Lamp Circuit Short to Ground |
| DTC B2645 | B2645 03: Ambient Light Sensor Circuit Low Voltage B2645 07: Ambient Light Sensor Circuit High Voltage |
| DTC B2652 | B2652 02: Passenger Compartment Dimming 3 Circuit Short to Ground |
| DTC B2740 | B2740 00: Front Fog Lamp Switch Circuit Malfunction |
| DTC B3410 or B3420 | B3410 01: Automatic Headlamp Leveling Control Module Front Axle Sensor Signal Circuit Short to Battery B3410 06: Automatic Headlamp Leveling Control Module Front Axle Sensor Signal Circuit Low Voltage/Open B3420 01: Automatic Headlamp Leveling Control Module Rear Axle Sensor Signal Circuit Short to Battery B3420 06: Automatic Headlamp Leveling Control Module Rear Axle Sensor Signal Circuit Low Voltage/Open |
| DTC B3415 | B3415 01: Automatic Headlamp Leveling Control Module Axle Sensor Supply Circuit Short to Battery B3415 02: Automatic Headlamp Leveling Control Module Axle Sensor Supply Circuit Short to Ground |
| DTC B3435 or B3440 | B3435 00: Automatic Headlamp Leveling Control Module Left Servo Driver 1 or 2 Circuit Malfunction B3440 00: Automatic Headlamp Leveling Control Module Right Servo Driver 1 or 2 Circuit Malfunction |
| DTC B3445 or B3878 | B3445 02: Brake Lamps Circuit Short to Ground B3878 02: Right Brake Lamp Circuit Short to Ground |
| DTC B3588 | B3588 00: Rear Fog Lamp Switch Circuit Malfunction |
| DTC B3596 | B3596 00: Hazard Lamps Request Circuit Malfunction |
| DTC B3650 | B3650 08: High Beam Request Signal Circuit Performance - Signal Invalid |
| DTC B3806 | B3806 00: High Beam and Headlamp Flash Select Circuit |
| DTC B3881 or B3882 | B3881 02: Tail Lamp Circuit Short to Ground B3881 04: Tail Lamp Circuit Open B3882 02: Right Tail Lamp Circuit Short to Ground B3882 04: Right Tail Lamp Circuit Open |
| DTC B3883 | B3883 02: License Plate Lamp Circuit Short to Ground B3883 04: License Plate Lamp Circuit Open |
| DTC B3884 | B3884 02: Center High Mounted Brake Lamp Circuit Short to Ground B3884 04: Center High Mounted Brake Lamp Circuit Open |
| DTC B3948 or B3949 | B3948 02: Left Front Turn Signal Circuit Short to Ground B3948 04: Left Front Turn Signal Circuit Open B3949 02: Right Front Turn Signal Circuit Short to Ground B3949 04: Right Front Turn Signal Circuit Open |
| DTC B3950 or B3951 | B3950 02: Left Rear Turn Signal Circuit Short to Ground B3950 04: Left Rear Turn Signal Circuit Open B3951 02: Right Rear Turn Signal Circuit Short to Ground B3951 04: Right Rear Turn Signal Circuit Open |
| DTC C0277 or C0890 | C0277 06: Brake Pedal Position Sensor Circuit Short to Ground or Open C0277 07: Brake Pedal Position Sensor Circuit High Voltage C0277 09: Brake Pedal Position Sensor Circuit Too Fast Transitions C0277 4B: Brake Pedal Position Sensor Circuit Calibration Not Learned C0890 03: Control Module Voltage Reference Output 3 Circuit Low Voltage C0890 07: Control Module Voltage Reference Output 3 Circuit High Voltage |
| DTC C0297 | C0297 02: Brake Applied Output Circuit Short to Ground |