Release Locked odometer mileage to the original gauge control module

If, after you attempt to transfer mileage, the odometer display has dashes (- - -), is garbled, or shows an incorrect value, the original gauge control module needs to be unlocked and restored to its original state

1. Confirm that you have the latest HDS version of software
2. Make sure that the HDS shows the correct VIN for the vehicle you are working on
3. With the ignition switch in LOCK (0), reconnect the original gauge control module
4. Completely re-boot the HDS
5. Clear any stored DTCs
6. Navigate to BODY ELECTRIC/GAUGES/ADJUSTMENT/INSTRUMENT PANEL REPLACEMENT
7. Select 3 RELEASING LOCKED ODO VALUE
8. Follow the prompts and the odometer mileage will be restored
9. Start over and make sure the screen prompts are followed