Replace and Program Control Module
WARNING: This page is about a different car, the 2020 Cadillac CT4. 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:
When replacing the entire steering gear, follow the steps for Reprogram Control Module.
- Replace the Power Steering Control Module. Refer to Control Module References .
- On the SPS Supported Controllers screen, select K43 Power Steering Control Module - Programming and follow the on-screen instructions.
- Ignition OFF and all vehicle systems OFF. It may take up to 2 minutes for all vehicle systems to power down.
- Ignition ON.
- On the SPS Supported Controllers screen, select K43 Power Steering Control Module - Setup and Configuration and follow the on-screen instructions.
- Clear DTCs.
NOTE:
The next two steps will transfer the vehicle's critical data, including the worm gear wear counter data saved in step 1, back to the vehicle components.