CCM Replacement
WARNING: This page is about a different car, the 2007 Pontiac Torrent and 2007 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.
If the rear differential clutch control module (CCM) is replaced, the following procedures must be performed:
CCM Reprogramming-Refer to Rear Differential Clutch Control Module Calibration .