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 MANUALSBUICK2013REGAL TURBO PREMIUM, STANDARD TRANSREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 39 (POWER DOOR LOCK SYSTEM AND RELEASE SYSTEMS)DIAGNOSTIC INFORMATION AND PROCEDURESDIAGNOSTIC CODE INDEX
2013 Buick Regal Turbo Premium, Standard Trans
Diagnostic Code Index
2013 Buick Regal Turbo Premium, Standard TransSECTION Diagnostic Code Index
WARNING: This page is about a different car, the 2011 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| DTC B3125, B3130, or B3135 | B3125 02: Driver Door Only Unlock Circuit Short to Ground B3125 04: Driver Door Only Unlock Circuit Open B3130 02: All Doors Unlock Circuit Short to Ground B3130 04: All Doors Unlock Circuit Open B3135 02: All Doors Lock Circuit Short to Ground B3135 04: All Doors Lock Circuit Open |
| DTC B3140 or B3150 | B3140 00: Driver Unlock Switch Circuit B3150 00: Driver Lock Switch Circuit |
| DTC B3265 | B3265 02: Trunk Lid Unlatch Output Circuit Short to Ground |
| DTC B3618 | B3618 00: Exterior Liftgate Unlatch Switch Circuit Malfunction |
| DTC B3930 | B3930 02: Child Security Lock Motors Circuit Short to Ground |
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.