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Diagnostic Code Index

WARNING: This page is about a different car, the 2011 Buick Regal. 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 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 B255D  B255D 02: Passenger Compartment Lamp Control 2 Circuit Short to Ground
DTC B2560  B2560 02: Cargo Lamp Control Circuit Short to Ground
DTC B256A  B256A 04: Liftgate Lamp Control Circuit Open
DTC B2570  B2570 01: Trunk Lamp Control Circuit Short to Battery
B2570 02: Trunk Lamp Control Circuit Short to Ground
B2570 04: Trunk Lamp Control Circuit Open
DTC B2575 or B2699  B2575 02: Headlamps Control Circuit Short to Ground
B2575 04: Headlamps Control Circuit Open
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 B2580  B2580 02: High Beam Control Circuit Short to Ground
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
B258A 02: Low Beam Control Circuit Short to Ground
B258A 04: Low Beam 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 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 Malfunction
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