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 CARGO EXTENDED, 4.8 CREPAIR AND DIAGNOSISBODY & FRAMEDOOR LOCKSKEYLESS ENTRY SYSTEM & REMOTE FUNCTIONSDIAGNOSTIC INFORMATION AND PROCEDURESDIAGNOSTIC CODE INDEX
2008 Chevrolet Chevy Express G3500, Van Cargo Extended, 4.8 C
Diagnostic Code Index
2008 Chevrolet Chevy Express G3500, Van Cargo Extended, 4.8 CSECTION Diagnostic Code Index
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| DTC B1008 | B1008 00: Calibration Data Not Programmed |
| DTC B3105 | B3105: Keyless Entry System Key Fobs Not Programmed |
| DTC B3109, B3110, B3111, or B3112 | B3109: Keyless Entry Transmitter 1 Low Battery B3110: Keyless Entry Transmitter 2 Low Battery B3111: Keyless Entry Transmitter 3 Low Battery B3112: Keyless Entry Transmitter 4 Low Battery |
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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.