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 8 (CELLULAR SYSTEM, ENTERTAINMENT SYSTEM, AND NAVIGATION SYSTEM)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 does not describe the selected car, but rather 8 other vehicles, including the 2007 GMC Yukon XL, 2007 GMC Yukon, 2007 Chevrolet Tahoe, 2007 Chevrolet Suburban, and 2007 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| DTC B0000 | Vehicle Speed Information Circuit Plausibility Failure |
| DTC B1001 | Option Configuration Error |
| DTC B1024 | Circuit Board Temperature Sensor above maximum threshold |
| DTC B1025-B1095 | Audio Output Circuit |
| DTC B1259 | Antenna Ground Circuit Short |
| DTC B1287 | Amplifier Control Signal Circuit |
| DTC B1288 | Video Display Mode Control Signal |
| DTC B1289 | Video Display Brightness Control Signal |
| DTC B2455 | Cellular Phone Microphone Circuit Malfunction |
| DTC B2462 | Global Positioning System (GPS) |
| DTC B2470 | Cellular Phone Antenna Circuit Malfunction |
| DTC B2474 | Navigation Display Head Backlighting Performance |
| DTC B2476 | Cellular Phone Select Service Switch Malfunction (3 button assembly) |
| DTC B2482 | Cellular Phone Select Switch Range/Performance |
| DTC B2483 or B2484 | DTC B2483 GPS Sensor Circuit |
| DTC U1500 | Inter-Device Dedicated Bus Malfunction |
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.