Action Taken When the DTC Sets
WARNING: This page is about a different car, the 2011 GMC Yukon XL, 2011 GMC Yukon, 2011 Chevrolet Tahoe, 2011 Chevrolet Suburban, and 2011 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
- Mode shifting is disabled until the ATC motor learn procedure has been performed.
- The SERVICE 4WD indicator illuminates.
- No mode position LED's illuminated.