Conditions for Setting the DTC
WARNING: This page is about a different car, the 2002 GMC Sierra, 2002 GMC Cab & Chassis Sierra, 2002 Chevrolet Silverado, and 2002 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
- The transfer case shift control module will test the motor circuits and determine that there are no motor circuit faults existing.
- The transfer case shift control module has attempted to shift to a requested mode/range and has failed to reach the desired position.
- The transfer case shift control module has performed a default shift to 4LO or 4HI.