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 170 (FIXED & MOVEABLE WINDOW 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 B3160 or B3165 | B3160 02: Window Up Switch Circuit Short to Ground B3165 02: Window Down Switch Circuit Short to Ground |
| DTC B3275 | B3275 02: Window Express UP or Down Circuit Short to Ground |
| DTC B3375, B3380, B3385, B3390, B3395, B3450, B3455, B3460, B3485, B3490, B3495, or B3500 | B3375 02: Left Front Window Up Switch Circuit Short to Ground B3380 02: Left Front Window Down Switch Circuit Short to Ground B3385 02: Right Front Window Up Switch Circuit Short to Ground B3390 02: Right Front Window Down Switch Circuit Short to Ground B3395 02: Left Rear Window Up Switch Circuit Short to Ground B3450 02: Left Rear Window Down Switch Circuit Short to Ground B3455 02: Right Rear Window Up Switch Circuit Short to Ground B3460 02: Right Rear Window Down Switch Circuit Short to Ground B3485 02: Left Front Window Express Switch Circuit Short to Ground B3490 02: Right Front Window Express Switch Circuit Short to Ground B3495 02: Left Rear Window Express Switch Circuit Short to Ground B3500 02: Right Rear Window Express Switch Circuit Short to Ground |
| DTC B3525 | B3525 02: Window Lockout Switch Circuit Short to Ground |
| DTC B3832 | B3832 08: Window Express UP System/Function Not Initialized |
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.