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 55 (CELLULAR SYSTEM, ENTERTAINMENT SYSTEM, AND NAVIGATION SYSTEM)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 B0000 | B0000 5A: Vehicle Speed Information Circuit Not Plausible |
| DTC B0997 | B0997 00: Info Display Module Malfunction |
| DTC B1020 | B1020 00: Auxiliary Electronic Control Unit (ECU) Performance |
| DTC B1025, B1035, B1045, or B1055 | B1025 01: Left Front Audio Output Circuit Short to Battery B1025 02: Left Front Audio Output Circuit Short to Ground B1025 04: Left Front Audio Output Circuit Open B1035 01: Front Audio Output Circuit Short to Battery B1035 02: Right Front Audio Output Circuit Short to Ground B1035 04: Right Front Audio Output Circuit Open B1045 01: Left Rear Audio Output Circuit Short to Battery B1045 02: Left Rear Audio Output Circuit Short to Ground B1045 04: Left Rear Audio Output Circuit Open B1055 01: Right Rear Audio Output Circuit Short to Battery B1055 02: Right Rear Audio Output Circuit Short to Ground B1055 04: Right Rear Audio Output Circuit Open |
| DTC B125A | B125A 02: Antenna Signal Circuit Short to Ground B125A 04: Antenna Signal Circuit Open Circuit |
| DTC B125C | B125C 01: Satellite Antenna 1 Circuit Short to Battery B125C 02: Satellite Antenna 1 Circuit Short to Ground B125C 04: Satellite Antenna 1 Circuit Open Circuit |
| DTC B1265 | B1265 02: Switched 14 Volt Performance Short to Ground |
| DTC B1271 | B1271 00: Theft Protection Active |
| DTC B1278 or B1279 | B1278 01: Left Auxiliary Input Signal Circuit Short to Battery B1278 02: Left Auxiliary Input Signal Circuit Short to Ground B1279 01: Right Auxiliary Input Signal Circuit Short to Battery B1279 02: Right Auxiliary Input Signal Circuit Short to Ground |
| DTC B1287 | B1287 01: Amplifier Control Signal Circuit Short to Battery B1287 02: Amplifier Control Signal Circuit Short to Ground B1287 04: Amplifier Control Signal Circuit Open |
| DTC B1446 or B1447 | B1446 03: Replace Backup Power Source Voltage Below Threshold B1447 04: Backup Power Source Open Circuit |
| DTC B2455 | B2455 00: Cellular Phone Microphone Circuit B2455 04: Cellular Phone Microphone Circuit Open |
| DTC B2462 (OnStar/Navigation GPS Antenna) | B2462 01: Global Positioning System Short to Battery B2462 02: Global Positioning System Short to Ground B2462 04: Global Positioning System Open |
| DTC B2462 (Navigation Radio) | B2462 01: Global Positioning System (GPS) Signal Short to Battery B2462 02: Global Positioning System (GPS) Signal Short to Ground B2462 04: Global Positioning System (GPS) Signal Open |
| DTC B2470 | B2470 04: Cellular Phone Antenna Circuit Open Circuit |
| DTC B2476 or B2482 | B2476 04: Cellular Phone Select Service Switch Open Circuit B2476 59: Cellular Phone Select Service Switch Stuck Button B2482 00: Cellular Phone Select Service Switch Range/Performance |
| DTC B2485 | B2485 02: Wireless Communication Antenna Circuit Short to Ground B2485 04: Wireless Communication Antenna 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.