Diagnostic Code Index
WARNING: This page is about a different car, the 2007 Buick LaCrosse and 2007 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| 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 B1014 | Program Read Only Memory (ROM) Checksum Error |
| DTC B1390 | Device Voltage Reference Input Circuit |
| DTC C0550 | Electronic Control Unit (ECU) Performance |
| DTC U0001 | High Speed CAN Communication Bus |
| DTC U0100-U0299 | Lost Communication With ECM/TCM |
| DTC U1000 and U1255 | Class 2 Data Link Malfunction/Lost Communications |
| DTC U1001-U1254 | Lost communication With XXX Module |
| DTC U1300, U1301, or U1305 | Class 2 Data Link Low/High |
| DTC U2100 | Controller Area Network (CAN) Bus Communication |
| DTC U2105-U2199 | Lost Communications With ECM/BCM/ABS/TCS Control System |