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.

All shifting is disabled.
The mode light shall flash upon a requested mode change and then return to the current mode.
The SERVICE 4WD indicator remains illuminated for the remainder of the current ignition cycle.