Conditions for Setting the DTC
WARNING: This page is about a different car, the 2013 GMC Yukon XL, 2013 GMC Yukon, 2013 Chevrolet Tahoe, 2013 Chevrolet Suburban, and 2013 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
This DTC sets if one of three components: motor driver inside the transfer case shift control module, transfer case clutch, or the shift motor, exceed the thermal model within the software for the module.