Action Taken When DTC Sets
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2003 GMC Yukon XL, 2003 GMC Yukon, 2003 Chevrolet Tahoe, 2003 Chevrolet Suburban, and 2003 Chevrolet Avalanche. 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.