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Replace and Program or Reprogram Control Module

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

NOTE:

The vehicle must remain in PARK and the driver's door closed during the programming procedure.

  1. Access the Service Programming System (SPS) and follow the on-screen instructions.
  2. On the SPS Supported Controllers screen, select A11 Radio - Programming and then follow the on-screen instructions.
  3. Before proceeding with USB programming check for any Info Sys OTA updates under Settings - Updates. If an update is available, decline the update by selecting Details to expand down to see the Decline Update option. After selecting Decline Update a Decline Update confirmation is then needed. If no Info Sys OTA updates are available proceed with USB programming.
    4. NOTE:

    If using a pre-configured USB drive supplied by General Motors, proceed to step 8.

  4. Connect a USB drive to the computer.
  5. Access the Service Programming System (SPS) and follow the on-screen instructions.
  6. On the SPS Supported Controllers screen, select A11 Radio - USB Copy/ USB File Transfer.
    NOTE:
    • If USB programming is unavailable, or if the selected software description is the following proceed to step 12: STOP. If you are seeing this text, the controller already has the latest software available. If you try to proceed further, SPS will generate an error.  .
    • Software currently loaded on the USB Drive will be verified and if files are incorrect they will be deleted and correct files will be loaded. If files residing on the USB Drive are correct for the vehicle being serviced, the Techline terminal will not delete those files and allow the drive to be re-used.
  7. Upon completion of the file transfer, remove the USB drive from the computer.
  8. Ignition ON, infotainment system ON.
    9. NOTE:

    The Radio will not allow the installation of the same software version via USB. If the same software is detected the installation process will not start.

  9. Connect the USB drive to the USB port in the vehicle.
  10. 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.
    11. NOTE:

    If no instructions immediately appear on the infotainment display, select the following menu options:

    • Home
    • Settings
    • System
    • Updates
  12. Upon completion of programming, remove the USB drive. Follow the infotainment display on-screen instructions.
  13. At the end of programming, choose the "Clear DTCs" function on the SPS screen.
  14. Perform the Manufacturer Enable Counter (MEC) reset - Access the Global Diagnostic System 2 (GDS 2) and identify the vehicle
  15. On the GDS 2 screen select Module Diagnostics - Radio (select appropriate RPO) - Configuration/reset functions - Reset Manufacturer Enable Counter and follow the on - screen instructions.
  16. Ignition OFF, Retained Accessory Power (RAP) OFF, remove the key fob from range of the vehicle, and let the vehicle sit for five minutes. Retest system operation to verify the repair.
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