Reprogram Control Module

To reprogram an existing control module, perform the following procedure:

1. Install the EL-49642  SPS Programming Support Tool.
2. Connect a USB drive to the computer.
   NOTE:

   If using a pre-configured USB drive supplied by General Motors, proceed to step 6.

3. Access the Service Programming System (SPS) and follow the on-screen instructions.
4. On the SPS Supported Controllers screen, select A11 Radio - USB Copy, and follow the on-screen instructions.
   NOTE:

   • If there are no files available for USB transfer via SPS, proceed to step 11.
   • All existing files on the USB drive will be erased when the new files are copied.
5. Upon completion of the file transfer, remove the USB drive from the computer.
6. Ignition ON, radio ON.
7. Connect the USB drive to the USB port in the vehicle.
8. Using the radio controls, select the following: Config>Radio Settings>Software Versions Menu>Update Radio Software. Follow the infotainment display on-screen instructions and select Update when prompted. Programming will take several minutes.
9. When programming is complete, remove the USB device from the vehicle USB port.
10. Access the Service Programming System (SPS) and follow the on-screen instructions.
11. On the SPS Supported Controllers screen, select A11 Radio - Programming, and follow the on-screen instructions.
12. At the end of programming, choose the "Clear DTCs" function on the SPS screen.
13. Using the radio controls, select the following: Config>Radio Settings>Software Version Menu>Clear and Reset Radio. Select Yes when prompted to Clear all Data and Reset Radio
14. Upon completion, the radio will restart and you can allow the radio to resume normal operation.