Data Link Communication DTCS
DATA LINK COMMUNICATION DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | DEFINITION |
|---|---|
| DTC B1000 | Electronic Control Unit (ECU) Performance |
| DTC B1001 | Option Configuration Error |
| DTC B1004 | Electronic Control Unit Identification Circuit |
| DTC B1007 | EEPROM Read/Write Error |
| DTC B1009 | EEPROM Checksum Mismatch |
| DTC B1013 | Calibration Read Only Memory (ROM) Checksum Error |
| DTC B1327 | Device Power Circuit Low |
| DTC B1328 | Device Power Circuit High |
| DTC C0550 | Electronic Control Unit (ECU) Performance |
| DTC U0073 | The module setting the DTC has attempted to establish communications on the GMLAN circuits for more than 7 times. |
| DTC U0100 to U0299 or U2105 to U2199 | Lost Communication With Control Module |
| DTC U1000 and U1255 | Class 2 Data Link Malfunction/Lost Communications |
| DTC U1001 to U1254 | Lost communication With XXX Module (See Table Under DTC U1001-U1254 Testing) |
| DTC U1300, U1301, or U1305 | Class 2 Data Link Low/High |
| DTC U2100 | Controller Area Network (CAN) Bus Communication |