The contact owns a 2016 Ram 1500. The contact stated that while driving 55 MPH, the vehicle lost power steering functionality with the power steering warning light illuminated. The contact continued to drive the vehicle however, the steering wheel became extremely stiff. The vehicle was taken to a local dealer where the vehicle was diagnosed, and the contact was advised that the steering unit had failed and needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure. The approximate failure mileage was 56,000.