Circuit/System Description
WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
This DTC is set anytime a new transfer case shift control module is installed. The transfer case motor learn procedure must be performed to erase this DTC. The motor learn procedure allows the module to learn where the shift rails are located.