Fault diagnosis, fault codes: Notes
DIAGNOSTIC TROUBLE CODES (DTC) LIST
| DTC | Description |
|---|---|
| DTC B1000 | Control Module. Internal Fault |
| DTC B1009 | Control Module. Internal Fault |
| DTC B2455 | Microphone Circuit Malfunction |
| DTC B2470 | Cellular Phone Antenna Circuit Malfunction |
| DTC B2476 | OnStar button Circuit Open |
| DTC B2482 | OnStar Button Stuck |
| DTC B2483, B2484 | GPS Antenna Circuit Low & GPS Sensor Circuit Open |
| DTC U1000 | VCIM/OIM Communication Error |
| DTC U1088 | SRS No Signal |
| DTC U1300 | Data Link Cable Shorted to Ground |
| DTC U1301 | Data Link Cable Shorted to Battery |
| DTC U1500 | VCIM Internal Communication Error |