Action Taken When the DTC Sets

WARNING: This page is about a different car, the 2008 GMC Yukon XL, 2008 GMC Yukon, 2008 Chevrolet Tahoe, 2008 Chevrolet Suburban, and 2008 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

All shifting is disabled for failure types 01 and 04, normal shifting can occur for failure types 02 and 08.
The SERVICE 4WD indicator remains illuminated for the remainder of the current ignition cycle.