Truck began downshifting from 6th gear to 5th numerous times at highway speeds (60ish mph). Wrench warning light would randomly come on, Service Engine Soon light would intermittently come on, followed by the dashboard totally blanking out. In one day on a drive to work, it started shifting from 6th to 4th. On the way home the same day, it shifted violently from 6th to 2nd gear hard at highway speed. The occurrence was a big safety concern as it was raining out — almost skidded out of control. As the truck was being driven into the dealership, there was NO acceleration — just revving of the engine which could have caused a major accident while having to cross two lanes of oncoming traffic. They diagnosed it as follows: 108572 found DTCP0706, P0707, P1702 / 20107 CF / MB3Z*7A100*B Transmission Control Assembly / FL3Z*7A098*B Screen Assembly / 7-XT*10QLVC Auto Transmission Oil. Dealership said that it was ‘normal wear and tear’ and the repair bill was $2,436. Since repair, the truck has been operating without issue.