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.
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HOMESERVICE MANUALSCHEVROLET2008CHEVY EXPRESS G2500, VAN CARGO, 6.6 6REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 2259 (LIGHTING SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESDIAGNOSTIC CODE INDEX
2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6
Diagnostic Code Index
2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6SECTION Diagnostic Code Index
WARNING: This page is about a different car, the 2010 Cadillac STS. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| DTC B1010 | B1010 52: System Sensors Data Mismatch |
| DTC B1457 | B1457 02: AHLD Left Servo Driver Terminal 3 Circuit Short to Ground B1457 05: AHLD Left Servo Driver Terminal 3 Circuit Short to Battery or Open |
| DTC B1458 | B1458 02: AHLD Left Servo Driver Terminal 4 Circuit Short to Ground B1458 05: AHLD Left Servo Driver Terminal 4 Circuit Short to Battery or Open |
| DTC B1459 | B1459 02: AHLD Right Servo Driver Terminal 3 Circuit Short to Ground B1459 05: AHLD Right Servo Driver Terminal 3 Circuit Short to Battery or Open |
| DTC B1460 | B1460 02: AHLD Right Servo Driver Terminal 4 Circuit Short to Ground B1460 05: AHLD Right Servo Driver Terminal 4 Circuit Short to Battery or Open |
| DTC B2645 | B2645 00: Ambient Light Sensor Circuit Voltage Out Of Range |
| DTC B2667 | B2667 02: AHLD Left Servo Driver Terminal 1 Circuit Short to Ground B2667 05: AHLD Left Servo Driver Terminal 1 Circuit Short to Battery or Open |
| DTC B2672 | B2672 02: AHLD Left Servo Driver Terminal 2 Circuit Short to Ground B2672 05: AHLD Left Servo Driver Terminal 2 Circuit Short to Battery or Open |
| DTC B2677 | B2677 02: AHLD Right Servo Driver Terminal 1 Circuit Short to Ground B2677 05: AHLD Right Servo Driver Terminal 1 Circuit Short to Battery or Open |
| DTC B2682 | B2682 02: AHLD Right Servo Driver Terminal 2 Circuit Short to Ground B2682 05: AHLD Right Servo Driver Terminal 2 Circuit Short to Battery or Open |
| DTC B3410 | B3410 02: AHLD Front Axle Sensor Signal Circuit Short to Ground B3410 03: AHLD Front Axle Sensor Signal Circuit Voltage Below Threshold B3410 07: AHLD Front Axle Sensor Signal Circuit Voltage Above Threshold |
| DTC B3420 | B3420 02: AHLD Rear Axle Sensor Signal Circuit Short to Ground B3420 03: AHLD Rear Axle Sensor Signal Circuit Voltage Below Threshold B3420 07: AHLD Rear Axle Sensor Signal Circuit Voltage Above Threshold |
| DTC B3600 | B3600 08: Passenger Compartment Dimming Request Signal Circuit Signal Invalid |
| DTC C0277 | C0277 03: Brake Pedal Position Sensor Circuit Short to Ground or Open C0277 07: Brake Pedal Position Sensor Circuit Voltage Above Threshold C0277 09: Brake Pedal Position Sensor Circuit Rate of Change Above Threshold |
| DTC C0278 | C0278 00: Brake Pedal Position Sensor Not Calibrated |
| DTC C0870 | C0870 03: Device Voltage Reference Output 3 Circuit Voltage Below Threshold C0870 07: Device Voltage Reference Output 3 Circuit Voltage Above Threshold |
RENDER: 1.0x
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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.