Cellular System, Entertainment System, And Navigation System - DTCS
CELLULAR SYSTEM, ENTERTAINMENT SYSTEM, AND NAVIGATION SYSTEM - DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC | Description |
|---|---|
| DTC B0000 | Vehicle Speed Information Circuit Plausibility Failure |
| DTC B1025, B1035, B1045, or B1055 | Audio Output Circuit Short |
| DTC B124F | Universal Serial Bus (USB) Programming |
| DTC B1259 | Antenna Ground Circuit Short |
| DTC B1287 | Amplifier Control Signal |
| DTC B1288 | Video Display Mode Control Signal |
| DTC B1289 | Video Display Brightness Control Signal |
| DTC B1449 | Remote Device Voltage Threshold |
| DTC B2455 | Cellular Phone Microphone Circuit |
| DTC B2462 (Navigation Radio) | Global Positioning System (GPS) |
| DTC B2462 (OnStar Module with Z49) | Global Positioning System (GPS) Signal |
| DTC B2462 (OnStar Module without Z49) | Global Positioning System |
| DTC B2470 (Z49) | Cellular Phone Antenna Circuit Malfunction |
| DTC B2470 (without Z49) | Cellular Phone Antenna Circuit Malfunction |
| DTC B2474 | Navigation Display Head Backlighting Performance |
| DTC B2476 or B2482 | Cellular Phone Select Service Switch |
| DTC B2485 | Wireless Communication (BT) Antenna Circuit |