The contact owns a 2016 Ford F-250. The contact stated while driving 65-80 MPH over a bumpy road surface, the steering wheel and the front end of the vehicle shuddered violently. The contact stated that the vehicle had experienced the death wobble, and almost caused the contact to lose control of the vehicle. The contact stated that upon decelerating to approximately 30 MPH, the vehicle responded as needed. The contact stated that the failure had occurred while driving on several occasions. The vehicle was taken to the dealer, where the contact was informed that a fee would be charged for diagnostic testing. The vehicle was not diagnosed or repaired. The manufacturer was notified of the failure and referred the contact to the NHTSA Hotline to report the failure. The failure mileage was approximately 140,000.