Conditions for Setting the DTC
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2003 GMC Yukon XL, 2003 GMC Yukon, 2003 Chevrolet Tahoe, 2003 Chevrolet Suburban, and 2003 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
- The EBCM detects open precharge pump circuitry.
- The EBCM detects shorted precharge pump circuitry.
- The master cylinder pressure sensor signal does not increase sufficiently during a pressure-build event.