The contact owns a 2015 Lincoln Navigator. The contact received notification of NHTSA Campaign Number: 22V648000 (VISIBILITY, ELECTRICAL SYSTEM); and the vehicle was taken to a local dealer where the recall repair was performed; however, shortly after the repair the climate control blower motor remained activated. There was no warning light illuminated. The vehicle was taken back to the dealer where the vehicle was diagnosed, and the contact was advised that the speed controller was responsible for the failure because the blower motor was melted and needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure. The approximate failure mileage was 150,000.