FixVault

Circuit/System Verification

WARNING: This page is about a different car, the 2008 Pontiac G5 and 2008 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
  1. Verify that DTC C1100 is not set.
  2. Verify that a vacuum leak is not present, refer to Brake Assist System Diagnosis .