Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2011 Chevrolet Cruze LS, AutomaticFACTORY OEM SERVICE PROCEDURE
Lighting System Diagnostic Code Index
LIGHTING SYSTEM DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| DTC B096A | B096A 01: Hazard Lamps Switch Backlight Circuit Short to Battery B096A 02: Hazard Lamps Switch Backlight Circuit Short to Ground B096A 04: Hazard Lamps Switch Backlight Circuit Open |
| DTC B1395 | B1395 03: Control Module Voltage Reference Output 1 Circuit Low Voltage B1395 07: Control Module Voltage Reference Output 1 Circuit High Voltage |
| 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 01: Backup Lamps Circuit Short to Battery B2545 02: Backup Lamps Circuit Short to Ground B2545 04: Backup Lamps 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 B2585 or B3867 | B2585 01: Park Lamps Control Circuit Short to Battery B2585 02: Park Lamps Control Circuit Short to Ground B2585 04: Park Lamps 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 B2740 | B2740 00: Front Fog Lamp Switch Circuit Malfunction |
| DTC B3445 or B3878 | B3445 01: Brake Lamps Circuit Short to Battery B3445 02: Brake Lamps Circuit Short to Ground B3445 04: Brake Lamps Circuit Open B3878 01: Right Brake Lamp Circuit Short to Battery B3878 02: Right Brake Lamp Circuit Short to Ground B3878 04: Right Brake Lamp Circuit Open |
| DTC B3588 | B3588 00: Rear Fog Lamp Switch Circuit Malfunction |
| DTC B3596 | B3596 00: Hazard Lamps Request Circuit Malfunction |
| DTC B3600 | B3600 03: Passenger Compartment Dimming Request Signal Circuit Low Voltage B3600 07: Passenger Compartment Dimming Request Signal Circuit High Voltage |
| 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 B3867 | 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 B3883 | B3883 01: License Plate Lamp Circuit Short to Battery B3883 02: License Plate Lamp Circuit Short to Ground B3883 04: License Plate Lamp Circuit Open |
| DTC B3948 or B3949 | B3948 01: Left Front Turn Signal Circuit Short to Battery B3948 02: Left Front Turn Signal Circuit Short to Ground B3948 04: Left Front Turn Signal Circuit Open B3949 01: Right Front Turn Signal Circuit Short to Battery B3949 02: Right Front Turn Signal Circuit Short to Ground B3949 04: Right Front Turn Signal Circuit Open |
| DTC B3950 or B3951 | B3950 01: Left Rear Turn Signal Circuit Short to Battery B3950 02: Left Rear Turn Signal Circuit Short to Ground B3950 04: Left Rear Turn Signal Circuit Open B3951 01: Right Rear Turn Signal Circuit Short to Battery 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 Low Voltage/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 |
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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