Replace and Program Control Module Using Existing Rear Differential Assembly

WARNING: This page is about a different car, the 2021 Buick Enclave. However, it is still accessible from the selected car via links, so may be relevant.

To program a replacement control module, perform the following procedure:

NOTE:

Steps 1-3 must be performed BEFORE the old K47 Rear Differential Clutch Control Module is removed from the vehicle.

Access the Service Programming System (SPS) and follow the on-screen instructions.
On the SPS Supported Controllers screen, select K47 Rear Differential Clutch Control Module - Prepare the Control Module for Removal and follow the on-screen instructions.
Replace the K47 Rear Differential Clutch Control Module.
On the SPS Supported Controllers screen, select K47 Rear Differential Clutch Control Module - Programming and follow the on-screen instructions.
On the SPS Supported Controllers screen, select K47 Rear Differential Clutch Control Module - Setup and follow the on-screen instructions.
NOTE:
RPO G99 = Twin Clutch System
Clear DTCs.