Cellular System, Entertainment System, And Navigation System - Diagnostic Trouble Codes
CELLULAR SYSTEM, ENTERTAINMENT SYSTEM, AND NAVIGATION SYSTEM - DIAGNOSTIC TROUBLE CODE LIST
| DTC | Description |
|---|---|
| DTC B0000 | Vehicle Speed Information Circuit Not Plausible |
| DTC B1020 | Auxiliary Electronic Control Unit (ECU) Performance |
| DTC B1025, B1035, B1045, or B1055 | Audio Output Circuit |
| DTC B125A | Antenna Signal Circuit |
| DTC B125C | Satellite Antenna |
| DTC B1265 | Switched 14 Volt Performance Short to Ground |
| DTC B1271 | Theft Protection Active |
| DTC B1287 | Amplifier Control Signal |
| DTC B1446 or B1447 | Backup Power Source |
| DTC B2455 (OnStar) | Cellular Phone Microphone |
| DTC B2455 (Radio) | Cellular Phone Microphone |
| DTC B2462 | Global Positioning System |
| DTC B2470 | Cellular Phone Antenna |
| DTC B2476 or B2482 | Cellular Phone Select Service Switch |
| DTC B2485 | Wireless Communication (BT) Antenna |
| DTC U0255 | U0257: Lost Communication with Info Display |