Replace and Program Control Module or Reprogram Control Module
WARNING: This page is about a different car, the 2019 GMC Acadia. However, it is still accessible from the selected car via links, so may be relevant.
To program a replacement or an existing K56 Serial Data Gateway Module, perform the following procedure:
- 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.
- At the end of programming, choose the "Clear DTCs" function on the SPS screen.