Brake Pressure Modulator Valve Hydraulic Testing (Over 8600 GVW): Notes
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2007 GMC Yukon XL, 2007 GMC Yukon, 2007 Chevrolet Tahoe, 2007 Chevrolet Suburban, and 2007 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
Mechanical failures within the brake pressure modulator valve (BPMV) may cause improper operation of the ABS/dynamic rear proportion (DRP)/traction control system (TCS)/vehicle stability enhancement system (VSES) as well as possibly causing DTCs to set. The following diagnostic tests have been developed for use in diagnosing these concerns. Perform only the tests which apply for the DTC or symptom you are diagnosing.