Diagnostic Information and Procedures: Notes
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2005 Isuzu Ascender, 2005 GMC Envoy XUV, 2005 GMC Envoy XL, 2005 GMC Envoy, and 2005 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
DTC 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 | Retained Accessory Power Circuit Low |
| DTC U0100 | U0299: Lost Communication With Transmission Control Module (TCM) |
| DTC U1000 | |
| DTC U1001 | U1254: |
| DTC U1300, U1301, or U1305 | Class 2 Data Link Low, Class 2 Data Link High, Class 2 Data Link Low or High (5.3L) |
| DTC U1300, U1301, or U1305 | Class 2 Data Link Low, Class 2 Data Link High, Class 2 Data Link Low or High (4.2L) |
| DTC U2100 | High Speed CAN Communication Bus |
| DTC U2105 | U2199: Lost Communication With Engine Control Module (ECM) |