NHTSA Complaint #11650487 — 2014 LINCOLN NAVIGATOR

The contact owns a 2014 Lincoln Navigator. The contact stated while driving 60 MPH, the transmission unexpectedly downshifted to a lower gear, and the vehicle decelerated to 25 MPH within 4-5 seconds. The power train warning light was illuminated. The contact pulled over to the side of the road and turned off the vehicle. The contact stated that upon restarting the vehicle, the warning light was no longer illuminated, and the vehicle responded as needed while driving. The vehicle was taken to Firestone, where DTC: P0722 was retrieved, and the vehicle was diagnosed with output shaft speed sensor failure. The vehicle was taken to the dealer, where the contact was informed that the VIN was not included in a related recall. The vehicle was being repaired. The manufacturer was notified of the failure and informed the contact that the failure was not related to a recall. The manufacturer referred the contact to the NHTSA Hotline for assistance. The failure mileage was approximately 60,000.