2016 Cadillac CTS Base, AWDFACTORY OEM SERVICE PROCEDURE

With Rear Seat Video Entertainment System

  1. Install the EL-49642  SPS Programming Support Tool.
  2. Connect a USB drive to the computer.
  3. Access the Service Programming System (SPS) and follow the on-screen instructions.
    NOTE: If using a pre-configured USB drive supplied by General Motors, proceed to step 8.
  4. On the SPS Supported Controllers screen, select Media Disc Player - USB File Transfer and follow the on-screen instructions.
    NOTE: Warehoused parts may not have current software on them. The following step will verify the module has the latest software version.
  5. Upon completion of the file transfer, remove the USB drive from the computer.
    NOTE:
    • If there are no updates available for USB transfer via SPS, proceed to step 10.
    • All existing files on the USB drive will be erased when the new files are copied.
  6. Ignition ON, infotainment system ON.
  7. Connect the USB drive to the rear seat USB port in the vehicle.
  8. 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.
  9. Upon completion of programming, remove the USB drive. Follow the infotainment display on-screen instructions.
  10. On the SPS Supported Controllers screen, select Media Disc Player - Programming and follow the on-screen instructions.
  11. At the end of programming, choose the "Clear All DTCs" function on the SPS screen.
Chapter Navigation
Return to Chapter: Replace and Program Control Module or Reprogram Control Module
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.