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 G3500, VAN PASSENGER EXTENDEDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 185 (LIGHTING SYSTEMS)DIAGNOSTIC INFORMATION AND PROCEDURESDIAGNOSTIC CODE INDEX
2008 Chevrolet Chevy Express G3500, Van Passenger Extended
Diagnostic Code Index
2008 Chevrolet Chevy Express G3500, Van Passenger ExtendedSECTION Diagnostic Code Index
WARNING: This page is about a different car, the 2008 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.