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Reprogram Control Module

WARNING: This page is about a different car, the 2020 Buick Regal TourX, 2020 Buick Regal, 2019 Buick Regal TourX, and 2019 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.

To reprogram an existing control module, or if a new steering gear assembly has been installed, perform the following procedure:

  1. Access the Service Programming System (SPS) and follow the on-screen instructions.
  2. On the SPS Supported Controllers screen, select K43 Power Steering Control Module - Programming and follow the on-screen instructions.
  3. Ignition OFF and all vehicle systems OFF. It may take up to 2 minutes for all vehicle systems to power down.
  4. Ignition ON.
  5. On the SPS Supported Controllers screen, select K43 Power Steering Control Module - Setup and Configuration and follow the on-screen instructions.
  6. Clear DTCs.
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