Circuit/System Verification
WARNING: This page is about a different car, the 2008 GMC Yukon and 2008 Chevrolet Tahoe. However, it is still accessible from the selected car via links, so may be relevant.
Verify that DTC C012B, C12B7, C12B6, C12B8 is not set.
- If DTC is set replace EBCM/brake pressure modulator valve (BPMV) assembly.