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 |