Diagnostic Trouble Code (DTC) List
WARNING: This page is about a different car, the 2004 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.
Diagnostic Trouble Code (DTC) List
| DTC | Diagnostic Procedure | Module |
|---|---|---|
| B0248 | DTC B0248, B0268, or B0418 | HVAC Control Module |
| B0249 | DTC B0249, B0269, or B0419 | HVAC Control Module |
| B0268 | DTC B0248, B0268, or B0418 | HVAC Control Module |
| B0269 | DTC B0249, B0269, or B0419 | HVAC Control Module |
| B0418 | DTC B0248, B0268, or B0418 | HVAC Control Module |
| B0419 | DTC B0249, B0269, or B0419 | HVAC Control Module |
| B0424 | DTC B0424, B3748, or B3749 | HVAC Control Module |
| B3748 | DTC B0424, B3748, or B3749 | HVAC Control Module |
| B3749 | DTC B0424, B3748, or B3749 | HVAC Control Module |
| P0530 | DTC P0530 | PCM |
| P0645 | DTC P0645 | PCM |