Action Taken When DTC Sets
WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
- A message shall be sent out on the class 2 lines to notify all other modules of high than normal battery voltage.
- The modules disable the setting of "U" codes and other DTC's.