Release Locked odometer mileage to the original gauge control module

If after you attempt to transfer mileage, the new odometer has dashes (---), garbled, or an incorrect value displayed, do the following:

Start over. The original gauge control module is going 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 car 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 is restored.
9. Start over and make sure the screen prompts are followed.