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Replace and Program Control Module or Reprogram Control Module

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2020 GMC Yukon XL, 2020 GMC Yukon, 2020 Chevrolet Tahoe, 2020 Chevrolet Suburban, and 2020 Cadillac Escalade ESV. However, it is still accessible from the selected car via links, so may be relevant.

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

Without Rear Seat Video Entertainment System 

This control module does not require SPS programming or any setup procedures.

With Rear Seat Video Entertainment System

  1. Connect a USB drive to the computer.
    2. NOTE:

    If using a pre-configured USB drive supplied by General Motors, proceed to step 7.

  2. Access the Service Programming System (SPS) and follow the on-screen instructions.
    3. NOTE:

    Warehoused parts may not have current software on them. The following step will verify the module has the latest software version.

  3. On the SPS Supported Controllers screen, select A33 Media Disc Player - USB File Transfer and follow the on-screen instructions. If no data has been released for this application this option will not be displayed, proceed to step 9.
    4. NOTE:
    • If there are no updates available for USB transfer via SPS, proceed to step 9.
    • All existing files on the USB drive will be erased when the new files are copied.
  4. Upon completion of the file transfer, remove the USB drive from the computer.
  5. Ignition ON, infotainment system ON.
  6. Connect the USB drive to the rear seat USB port in the vehicle.
  7. The infotainment system will recognize that update files are available. Follow the infotainment display on-screen instructions and select Update when prompted. Programming will take several minutes.
  8. Upon completion of programming, remove the USB drive. Follow the infotainment display on-screen instructions.
  9. On the SPS Supported Controllers screen, select A33 Media Disc Player - Programming and follow the on-screen instructions.
  10. At the end of programming, choose the "Clear All DTCs" function on the SPS screen.
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