Data Communication System - Diagnostic Trouble Codes
DATA COMMUNICATION SYSTEM - DIAGNOSTIC TROUBLE CODES
| DTC | Description |
|---|---|
| DTC B1000 | Electronic Control Unit/Side Object Detection |
| DTC B1001 | Option Configuration Error |
| DTC B1009 | EEPROM Checksum Mismatch/Error |
| DTC B101D | Electronic Control Unit Hardware |
| DTC B101E | Electronic Control Unit Software |
| DTC C0550 | Electronic Control Unit |
| DTC C056D | Electronic Control Unit Hardware |
| DTC C056E | Electronic Control Unit Software |
| DTC U0020 | Low Speed CAN Communication Bus |
| DTC U0073 or U2100 | Control Module Communication Bus/Controller Area Network (CAN) Bus/ECU LS Bus/ECU HS Bus |
| DTC U0100-U02FF | Control Module |
| DTC U0400-U05FF | Control Module |
| DTC U1001-U1254 | Lost Communication with OnStar |
| DTC U1500, U1511, U1512, or U1513 | Inter-Device Dedicated Bus |
| DTC U1814 | Powertrain High Speed Communication Enable |
| DTC U1826 or U1827 | Lost Communication With Module |
| DTC U2099 | High Speed Communication Enable |