Diagnostic Code Index
WARNING: This page is about a different car, the 2006 Isuzu Ascender, 2006 GMC Envoy XL, 2006 GMC Envoy, 2006 Chevrolet TrailBlazer, and 2006 Buick Rainier. 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 B1397 | Device Voltage Reference Output Circuit Low |
| DTC B1440 | Power Mode Master Input Circuits Mismatch |
| DTC B1477 | DTC B1477 Retained Accessory Power Circuit Low |
| DTC U0100-U0299 | Lost Communication With Control Module |
| DTC U1000 | Class 2 Data Link Malfunction |
| DTC U1001-U1254 | Lost Communication With Control Module |
| DTC U1300, U1301, or U1305 (5.3L) |
|
| DTC U1300, U1301, or U1305 (4.2L) |
|
| DTC U2100 | High Speed CAN Communication Bus |
| DTC U2105-U2199 | Lost Communication With Control Module |