Diagnostic Trouble Code (DTC) List
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2004 Oldsmobile Bravada, 2004 GMC Envoy XUV, 2004 GMC Envoy XL, 2004 GMC Envoy, and 2004 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
Diagnostic Trouble Code (DTC) List
| DTC | Diagnostic Procedure | Module |
|---|---|---|
|
IMPORTANT:
Diagnose all Bxxxx codes prior to diagnosing any Pxxxx code.
|
||
| B2945 | DTC B2945 | BCM |
| B2955 | DTC B2955 | BCM |
| B2960 | DTC B2960 | BCM |
| B3033 | DTC B3033 | BCM |
| P1626 | DTC P1626 | PCM |
| P1630 | DTC P1630 | PCM |
| P1631 | DTC P1631 | PCM |
| P1632 | DTC P1632 | PCM |
| PXXXX Other PCM DTCs Refer to Diagnostic Trouble Code (DTC) List in Engine Controls - 4.2L |
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