Cellular System, Entertainment System, And Navigation System - Diagnostic Trouble Codes
CELLULAR SYSTEM, ENTERTAINMENT SYSTEM, AND NAVIGATION SYSTEM - DIAGNOSTIC TROUBLE CODES
| DTC | Description |
|---|---|
| DTC B1025, B1035, B1045, or B1055 | DTC B1025 Left Front Audio Output Circuit DTC B1035 Right Front Audio Output Circuit DTC B1045 Left Rear Audio Output Circuit DTC B1055 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 Replace Backup Power Source Below Minimum Threshold DTC B1447 Backup Power Source Open Circuit |
| DTC B2455 (OnStar) | DTC B2455 02 Cellular Phone Microphone Circuit Short to Ground DTC B2455 04 Cellular Phone Microphone Circuit Open/High Resistance |
| 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 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 |