Cellular System, Entertainment System, And Navigation System - Diagnostic Trouble Codes
CELLULAR SYSTEM, ENTERTAINMENT SYSTEM, AND NAVIGATION SYSTEM - DIAGNOSTIC TROUBLE CODES
| DTC | Description |
|---|---|
| DTC B0997 | Auxiliary Electronic Control Unit Performance |
| DTC B1024 | Circuit Board Temperature Sensor Above Maximum Threshold (Audio Amplifier) |
| DTC B1024 | Circuit Board Temperature Sensor Above Maximum Threshold (Human Machine Interface Control Module) |
| DTC B1025-B1135 | Audio Output (UQ3) |
| DTC B1025-B1135 | Audio Output (UQA with Front Bench Seat) |
| DTC B1025-B1135 | Audio Output (UQA with Front Bucket Seats) |
| DTC B1025-B1135 | Audio Output (UQS) |
| DTC B1025-B1135 | Audio Output(UQH) |
| DTC B124F | Universal Serial Bus (USB) Programming |
| DTC B124B | USB 1 Circuit (IO5/IO6) |
| DTC B124B | USB 1 Circuit (IO3) |
| DTC B124C | USB 2 Circuit |
| DTC B125A | Antenna Signal Circuit |
| DTC B125C | Satellite Antenna Circuit |
| DTC B1271 | Theft Protection Active |
| DTC B1277 | Microphone 1 Input Signal Circuit |
| DTC B127A | Auxiliary Video Input Signal Circuit Open Circuit |
| DTC B127E | Front Video Display Output Signal (X88/Z88 without U42 and IO3) |
| DTC B127E | Front Video Display Output Signal (X88/Z88 with U42) |
| DTC B127E | Front Video Display Output Signal (X88/Z88 with IO3) |
| DTC B127E | Front Video Display Output Signal (Z75) |
| DTC B1280 | Rear Seat Entertainment Input Signal Circuit Signal Amplitude < Minimum (without DNU) |
| DTC B1280 | Rear Seat Entertainment Input Signal Circuit Signal Amplitude < Minimum (with DNU) |
| DTC B12A4 | Infotainment Faceplate Control Module |
| DTC B12A6 | Info Display Module Internal Malfunction |
| DTC B12A7 | Optical Media Drive |
| DTC B12A8 | Optical Media Drive Theft Locked |
| DTC B2455 | Cellular Phone Microphone Circuit |
| DTC B2462 | Global Positioning System Signal (IO6 without UE1) |
| DTC B2462 | Global Positioning System Signal (OnStar Gen 9.xx - IO6 with UE1 without CV3) |
| DTC B2462 | Global Positioning System Signal (OnStar Gen 9.xx - UE1 with IO6 with CV3) |
| DTC B2462 | Global Positioning System (OnStar Gen 10) |
| DTC B2470 | Cellular Phone Antenna Circuit Malfunction (OnStar Gen 9.xx - UE1 without CV3) |
| DTC B2470 | Cellular Phone Antenna Circuit Malfunction (OnStar Gen 9.xx - UE1 with CV3) |
| DTC B2470 | Cellular Phone Antenna Circuit Malfunction (OnStar Gen 10) |
| DTC B2476 or B2482 | Cellular Phone Select Service Switch |