Diagnostic Trouble Code (DTC) List
WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Diagnostic Trouble Code (DTC) List
| DTC | Diagnostic Procedure | Module(s) |
|---|---|---|
| B1023 | DTC B1023 | DDM/PDM |
| B1544 | DTC B1544, B1600, or B1605 | DDM/PDM |
| B1580 | DTC B1580, B1590, B1610, or B1620 | DDM/PDM |
| B1590 | DTC B1580, B1590, B1610, or B1620 | DDM/PDM |
| B1600 | DTC B1544, B1600, or B1605 | DDM/PDM |
| B1605 | DTC B1544, B1600, or B1605 | DDM/PDM |
| B1610 | DTC B1580, B1590, B1610, or B1620 | DDM/PDM |
| B1620 | DTC B1580, B1590, B1610, or B1620 | DDM/PDM |
| B1640 | DTC B1640 or B1645 | DDM/PDM |
| B1645 | DTC B1640 or B1645 | DDM/PDM |
| B1722 | DTC B1722 | DDM/PDM |
| B3808 | DTC B3808 | BCM |
| B3809 | DTC B3809 | BCM |
| B3819 | DTC B3819 | BCM |
| B3820 | DTC B3820 | BCM |
| B3821 | DTC B3821 | BCM |
| B3822 | DTC B3822 | BCM |
| B3823 | DTC B3823 | BCM |
| B3824 | DTC B3824 | BCM |