Diagnostic Trouble Code (DTC) List
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2002 GMC Yukon XL, 2002 GMC Yukon, 2002 Chevrolet Tahoe, 2002 Chevrolet Suburban, and 2002 Chevrolet Avalanche. 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) |
|---|---|---|
| B1770 | DTC B1770, B1775, B1780, B1785, B1790, B1805, or B2415 | DSM |
| B1775 | DTC B1770, B1775, B1780, B1785, B1790, B1805, or B2415 | DSM |
| B1780 | DTC B1770, B1775, B1780, B1785, B1790, B1805, or B2415 | DSM |
| B1785 | DTC B1770, B1775, B1780, B1785, B1790, B1805, or B2415 | DSM |
| B1826 | DTC B1826 | DSM |