Circuit/System Verification
WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Verify that DTC U0140 is not set in the electronic brake control module (EBCM).
- If DTC U0140 is present, refer to Diagnostic Trouble Code (DTC) List - Vehicle .