C0299 5A

WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Verify DTC C0299 5A is not set.

If the DTC is set, repair the source of the vacuum leak. Refer to Brake Assist System Diagnosis (Vacuum Assist) or Brake Assist System Diagnosis (Hydraulic Assist) .