Diagnostic Code Index
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| DTC B1000 | DTC B1000: Electronic Control Unit (ECU) Performance |
| DTC B1001 | B1001: Option Configuration Error |
| DTC B1009 | B1009: EEPROM Checksum Mismatch/Error |
| DTC B1013 | B1013: Calibration Read Only Memory (ROM) Checksum Error |
| DTC B1014 | B1014: Program Read Only Memory (ROM) Checksum Error |
| DTC B1390 | B1390: Device Voltage Reference Input Circuit |
| DTC C0550 | C0550: ECU Malfunction |
| DTC U0001 | High Speed CAN Communication Bus |
| DTC U0073 | U0073: High Speed Communication Bus |
| DTC U0100-U0299 | U0100: Lost Communication With Engine Control Module (ECM) U0101: Lost Communication With Transmission Control Module (TCM) |
| DTC U1000 and U1255 | U1000: Class 2 Data Link U1255: Loss of Class 2 Communication |
| DTC U1001-U1254 | U1016: Lost Communication With ECM/PCM U1017: Lost Communication With Engine Control Module U1024: Lost Communication With Transmission Control Module U1040: Lost Communication With Electronic Brake Control Module U1064: Lost Communication With Body Control Module (BCM) U1088: Lost Communication With Sensing and Diagnostic Module (SDM) U1096: Loss of IPC Communications U1097: Loss of DIC Communications U1098: Loss of HUD Communications U1099: Loss of HUD Communications U1111: Lost Communication With Chime Module U1128: Loss of IRC Communications U1129: Loss of AMP Communications U1137: Lost Communication With Digital Radio Receiver U1144: Loss of PHN Communications U1147: Lost Communication With Onstar U1151: Lost Communication With Onstar U1153: Lost Communication With Climate Control Panel U1176: Loss of RFA Communications U1192: Lost Communication With Vehicle Theft Deterrent |
| DTC U1300, U1301, or U1305 | U1300: Class 2 Data Link Low U1301: Class 2 Data Link High U1305: Class 2 Data Link High or Low |
| DTC U2100 | U2100: Controller Area Network (CAN) Bus Communication |
| DTC U2105-U2199 | U2105: Lost Communications With Engine Control System U2107: Lost Communications With Body Control System U2108: Lost Communications With ABS/TCS Control System |