Hello,
We need to check fuses # 29, 25 and 15. If they are okay we need to check the accessory relay. Here are the radio wiring diagrams so you can see how the system works. Also the fuse location and the relay as well. These guides will help you test the fuses and relay. Both can affect the odometer which is controlled by the BCM.
https://www.2carpros.com/articles/how-to-check-an-electrical-relay-and-wiring-control-circuit
and
https://www.2carpros.com/articles/how-to-check-a-car-fuse
If everything checks out I would think the BCM is out which will need to be programmed for $130.00 at a shop.
Check out the diagrams (below). Please let us know what happens. Cheers, Ken
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Thursday, December 20th, 2018 AT 6:00 PM