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 MANUALSGMC2009SAVANA G2500, VAN CARGO EXTENDED, 6.6 6REPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTANTI-THEFT SYSTEMSDOOR LOCK SYSTEM & DOOR HANDLESDIAGNOSTIC INFORMATION AND PROCEDURESDIAGNOSTIC CODE INDEX
2009 GMC Savana G2500, Van Cargo Extended, 6.6 6
Diagnostic Code Index
2009 GMC Savana G2500, Van Cargo Extended, 6.6 6SECTION Diagnostic Code Index
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| DTC B2976, B2991, B2996, or B3001 | B2976 00: Driver Door Ajar Circuit B2991 00: Passenger Door Ajar Circuit B2996 00: Left Rear Door Ajar Circuit B3001 00: Right Rear Door Ajar Circuit |
| DTC B3125, B3130, or B3135 | B3125 00: Left Front/Driver Door Only Unlock Circuit B3130 00: All Door Unlock Circuit B3135 00: All Door Lock Circuit |
| DTC B3140, B3145, B3150, or B3155 | B3140 00: Driver Unlock Switch Circuit B3145 00: Passenger Unlock Switch Circuit B3150 00: Driver Lock Switch Circuit B3155 00: Passenger Lock Switch Circuit |
| DTC B3265 | B3265 00: Trunk/Hatch/Liftglass Release Output Circuit |
RENDER: 1.0x
NO RELATED
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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.