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Replace and Program ECU

WARNING: This page is about a different car, the 2013 Cadillac XTS. However, it is still accessible from the selected car via links, so may be relevant.

To program a replacement or an existing ECU, perform the following procedure:

  1. Install EL-49642  SPS programming support tool.
  2. Access the Service Programming System (SPS) and follow the on-screen instructions.
    3. NOTE:

    The USB File Transfer procedure is performed after the new Instrument Cluster is installed in the vehicle.

  3. On the SPS Supported Controllers screen, select Instrument Cluster - USB File Transfer and follow the on-screen instructions.
  4. On the SPS Supported Controllers screen, select Instrument Cluster - Programming and follow the on-screen instructions.
  5. On the SPS Supported Controllers screen, select Instrument Cluster - Setup and Configuration and follow the on-screen instructions.
  6. At the end of programming, choose the "Clear All DTCs" function on the SPS screen.
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