The contact owns a 2015 Ford F-250. The contact stated while driving 60 MPH, the front end of the vehicle started shaking. No warning light was illuminated. The contact stated that a dealer was contacted. The contact stated that while depressing the brake pedal to come to a complete stop, the shaking in front of the vehicle ceased. The contact stated that while depressing the accelerator pedal, the vehicle started working as intended. The contact stated that the failure had occurred on several occasions. The vehicle was taken to a dealer to be diagnosed; however, the dealer was not able to find the cause of the failure. The contact related the failure to the death wobble. The vehicle was repaired; however, the contact was unaware of the repair. The manufacturer was not notified of the failure. The approximate failure mileage was 137,755.