Diagnostic Code Index
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| DTC B1025, B1035, B1045 or B1055 | DTC B1025 01 Left Front Audio Output Circuit DTC B1035 01 Front Audio Output Circuit DTC B1045 01 Left Rear Audio Output Circuit DTC B1055 01 Right Rear Audio Output Circuit |
| DTC B125A | DTC B125A 02 Antenna Signal Circuit Short to Ground DTC B125A 04 Antenna Signal Circuit Open Circuit |
| DTC B125C | DTC B125C 01 Satellite Antenna Circuit Short to Battery DTC B125C 02 Satellite Antenna Circuit Short to Ground DTC B125C 04 Satellite Antenna Circuit Open |
| DTC B1271 | DTC B1271 00 Theft Protection Active |
| DTC B1446 or B1447 | DTC B1446 03 Replace Backup Power Source Voltage Below Threshold DTC B1447 04 Backup Power Source Open Circuit |
| DTC B2455 (Radio) | DTC B2455 01 Cellular Phone Microphone Circuit Short to Battery DTC B2455 02 Cellular Phone Microphone Circuit Short to Ground DTC B2455 04 Cellular Phone Microphone Circuit Open |
| DTC B2455 (OnStar) | DTC B2455 02 Cellular Phone Microphone Circuit Short to Ground DTC B2455 04 Cellular Phone Microphone Circuit Open |
| DTC B2470 | DTC B2470 02 Cellular Phone Antenna Circuit Malfunction Short to Ground DTC B2470 04 Cellular Phone Antenna Circuit Malfunction Open Circuit |
| DTC B2476 or B2482 | DTC B2476 04 Cellular Phone Select Service Switch Open DTC B2476 59 Cellular Phone Select Service Switch Protection Time-out DTC B2482 00 Cellular Phone Select Service Switch Range/Performance |
| DTC B2485 | DTC B2485 02 Wireless Communication (BT) Antenna Circuit Short to Ground DTC B2485 04 Wireless Communication (BT) Antenna Circuit Open |