Diagnostic Code Index
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2013 GMC Savana, 2013 GMC RV Cutaway, 2013 GMC Cutaway, 2013 Chevrolet RV Cutaway, and 2013 Chevrolet Express. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| DTC B1025, B1035, B1045, or B1055 | DTC B1025 01 Audio Output 1 Left Front Circuit Short to Battery DTC B1025 02 Audio Output 1 Left Front Circuit Short to Ground DTC B1025 04 Audio Output 1 Left Front Circuit Open DTC B1035 01 Audio Output 2 Right Front Circuit Short to Battery DTC B1035 02 Audio Output 2 Right Front Circuit Short to Ground DTC B1035 04 Audio Output 2 Right Front Circuit Open DTC B1045 01 Audio Output 3 Left Rear Circuit Short to Battery DTC B1045 02 Audio Output 3 Left Rear Circuit Short to Ground DTC B1045 04 Audio Output 3 Left Rear Circuit Open DTC B1055 01 Audio Output 4 Right Rear Circuit Short to Battery DTC B1055 02 Audio Output 4 Right Rear Circuit Short to Ground DTC B1055 04 Audio Output 4 Right Rear Circuit Open |
| DTC B125C | DTC B125C 02 Satellite Antenna 1 Circuit Short to Ground DTC B125C 04 Satellite Antenna 1 Circuit Open Circuit |
| DTC B2455 | DTC B2455 02 Cellular Phone Microphone Circuit Short to Ground DTC B2455 04 Cellular Phone Microphone Circuit Open |
| DTC B2462 (Navigation Radio) | DTC B2462 02 Global Positioning System (GPS) Short to Ground DTC B2462 04 Global Positioning System (GPS) Open Circuit |
| 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 Circuit DTC B2476 59 Cellular Phone Select Service Switch Stuck Button DTC B2482 00 Cellular Phone Select Service Switch Range/Performance |