Diagnostic Code Index
WARNING: This page is about a different car, the 2007 Hummer H2. 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 B1004 | Keep Alive Memory (KAM) Reset |
| DTC B1007 | EEPROM Write Error |
| DTC B1009 | EEPROM Checksum Mismatch |
| DTC C0550 | Electronic Control Unit (ECU) Performance |
| DTC U1000 | Class 2 Data Link |
| DTC U1001-U1254 | Module XXXX Error |
| DTC U1300, U1301, or U1305 | Class 2 Data Link |