Avalanche 2500 4WD V8-8.1L VIN G (2003)
Hydraulic Control Assembly - Antilock Brakes: Testing and Inspection
Brake Pressure Modulator Valve Hydraulic Testing
Antilock Brake System
Diagnostic Information and Procedures
Brake Pressure Modulator Valve Hydraulic Testing
Mechanical failures within the brake pressure modulator valve (BPMV) may cause improper operation of the ABS/DRP/TCS/VSES as well as possibly
causing DTC's 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.
