The contact owns a 2023 Ford Edge. The contact stated that while driving at an undisclosed speed, the transmission unexpectedly downshifted. There was no warning light illuminated. The vehicle was taken to the dealer where it was diagnosed with transmission failure. The contact was informed that the transmission needed to be replaced. The vehicle was repaired; however, the failure recurred. The manufacturer was made aware of the failure and a case was opened. The approximate failure mileage was 9,700.