The contact owns a 2021 Ford Bronco Sport. The contact stated that while driving at an undisclosed speed, the vehicle started to shake and then lost motive power. There was no warning light illuminated. The vehicle was able to restart. The contact received notification of NHTSA Campaign Number: 25V019000 (Electrical System); however, the part to do the recall repair was unavailable. The dealer was contacted. The vehicle was not diagnosed or repaired. The dealer confirmed that parts were not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the failure and a case was opened. The contact was referred to the NHTSA Hotline for further assistance. The approximate failure mileage was 66,000. VIN tool confirms parts not available.