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 K56 Serial Data Gateway Module, perform the following procedure:
- Ignition/Vehicle OFF.
- Access the Service Programming System (SPS) and follow the on-screen instructions.
- On the SPS Supported Controllers screen, select K56 Serial Data Gateway Module - Programming and follow the on-screen instructions.
- On the SPS Supported Controllers screen, select K56 Serial Data Gateway Module - Setup and follow the on-screen instructions.
- Clear DTCs.
NOTE:
Verify all modules are connected and communicating before attempting to program the K56 Serial Data Gateway Module.
NOTE:
If an error message indicates that a module is missing after the learn procedure is complete, diagnose that module to make sure that it's connected and communicating and then perform the Programming and Learn procedures again.