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