Diagnostic Code Index
WARNING: This page is about a different car, the 2009 Buick LaCrosse and 2009 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| DTC B1000 | Control Module Internal Fault |
| 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 U0100-U0299 | Transmitter Module Availability Communication Error |
| DTC U1000 and U1255 | U1000: Class 2 Data Link U1255: Loss of Class 2 Communication |
| DTC U1001-U1254 | Module Communication Error |
| 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 |