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Service Procedure

Service Procedure

Caution
Do NOT program additional modules while programming the CUE system to avoid module damage and/or other component failure. Do NOT perform any electrical repairs on the vehicle while the CUE system is being programmed.

Note
Ensure that all USB devices, SD cards, phone, and media devices have been disconnected.

1. Capture customer preset information from the CUE system. Refer to Cadillac Customer Presets Form at the back of this bulletin.

2. Verify that there is a battery charge of 12 to 15 volts. The battery must be able to maintain a charge during programming. Only use a Midtronics(R) GR8 (Essential Tool EL-50313) set up in Power Supply Mode or an approved Midtronics(R) PSC 550 Battery Maintainer (SPS Programming Support Tool EL-49642) or equivalent to maintain proper battery voltage during programming. Do NOT remove the battery maintainer until both the USB and TIS2WEB programming events have been completed.

3. Determine if the vehicle is equipped with a navigation system. Press the navigation button on the display.

- If maps are populated, then the vehicle is equipped with navigation. Use the black USB stick for programming the CUE system.

- If a compass appears with OnStar instructions, the vehicle is NOT equipped with navigation. Use the silver USB stick for programming the CUE system.

4. Press Engine Start/Stop button for 5 seconds. Do NOT have your foot on the brake while pressing the Engine Start/Stop button.





5. Insert the correct USB stick into the display USB port (1).

6. Close the radio assembly bin door.





7. Select Update from the display.





8. Once Update has been selected from the display, the screen in the picture above will appear. This screen will show the progress of the update. The navigation software update will take about 2 hours to load. The non-navigation software will take about 30 minutes to load.








Note
Update Complete screen for CUE system equipped with navigation system shown. Update Complete screen for CUE system without navigation is similar.

Note
If the "Calibrate Device" screen is NOT displayed, the Update Complete screen will appear on the display. The screen includes the following message: Pass --- 23154812.mnf or Pass 23152613.mnf. Programming the Human Machine Interface Control Module (HMI) using TIS2WEB is NOT required. Perform step 10 and then proceed to step 14.

Note
If the screen remains blank, make sure the radio assembly bin door is closed.

9. Do NOT remove the USB drive until the update has been completed. Once the update has been completed, the display will go black for a minute and reset itself. Next, the words, "Calibrate Device" centered on the display. Refer to illustration.

10. Remove the USB stick from the port.

Note
Do not attempt to order the calibration number from GM Customer Care and Aftersales. The calibration numbers required for this service procedure are programmed into control modules via a Multiple Diagnostic Interface (MDI) with the calibration update. When using a MDI for reprogramming, ensure that is updated with the latest software version. Use TIS2WEB on or after 02/22/13 to obtain the calibration. If you cannot access the calibration, call the Techline Customer Support Center and a VCI number will be provided.

11. Program the Human Machine Interface Control Module (HMI) using TIS2WEB. Refer to SI and Service Programming System (SPS) documentation for programming instructions

1. Connect the MDI to the vehicle.

2. Select J2534 MDI and Reprogram ECU from the Select Diagnostic Tool and Programming Process screen.

3. Select K74 Human Machine Interface Control Module -- Programming from the Supported Controllers screen.

4. Follow the on-screen instructions.

12. Clear all diagnostic trouble codes (DTCs).





13. After programming the HMI module, the Update Complete screen will appear on the display. The screen includes the following message: Pass --- 23154812.mnf or Pass --- 23152613.mnf.

14. Select Dismiss from the Update Complete screen.





15. The Restart System Screen will appear on the display.

16. Turn the vehicle off, open and close the driver door, and wait at least two minutes before starting the vehicle. All vehicle doors MUST remain closed during the wait period.





17. To ensure the software update was successful, review the main menu symbols and check that the Climate Control Symbol includes a snowflake. Next, from the Home Page, press Settings > Software Information and check the current software part number. If the part number is 23150273 for Navigation vehicles or 23150271 for non-navigation vehicles, the update was successful.

18. Re-enter customer information in the CUE System with the information collected in step 1. Refer to Cadillac Customer Presets Form.
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