Diagnostic Code Index
WARNING: This page is about a different car, the 2007 Pontiac Montana SV6, 2007 Chevrolet Uplander, and 2007 Buick Terraza. 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 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-U0299 or U2105-U2199 | Lost Communication With Various Control Modules |
| 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, or Low or High |
| DTC U2100 | Controller Area Network (CAN) Bus Communication |