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 181 (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 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 B0000 | B0000 5A: Vehicle Speed Information Circuit Plausibility Failure |
| DTC B1024 | B1024 11: Circuit Board Temperature Sensor Above Maximum Threshold |
| DTC B1259 | B1259 02: Antenna Ground Circuit Short to Ground B1259 05: Antenna Ground Circuit Short to Battery or Open |
| DTC B1283-B1286 | B1283 00: Television Antenna 1 Performance B1284 00: Television Antenna 2 Performance B1285 00: Television Antenna 3 Performance B1286 00: Television Antenna 4 Performance |
| DTC B2455 | B2455 00: Cellular Phone Microphone Circuit |
| DTC B2462 | B2462 02: Global Positioning System (GPS) Short to Ground B2462 04: Global Positioning System (GPS) Open Circuit |
| DTC B2470 | B2470 00: Cellular Phone Antenna Circuit Malfunction |
| DTC B2474 | B2474 07: Navigation Display Head Backlighting Performance |
| DTC B2476 (old) | B2476 00: Cellular Phone Select Service Switch Malfunction |
| DTC B2482 | B2482 00: Cellular Phone Select Service Switch Range/Performance |
| DTC B2483 or B2484 | B2483 00: GPS Sensor Circuit Low B2484 00: GPS Sensor Circuit Open |
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.