NHTSA Complaint #11461669 — 2014 LINCOLN NAVIGATOR

The contact owns a 2014 Lincoln Navigator. The contact stated that while driving at various speeds, the vehicle would independently downshift which would lead to an abrupt slowdown of the vehicle. The contact stated that both the power train and fuel tank warning symbols would appear on the instrument panel after the failure. The contact would then restart the vehicle and resume normal driving shortly after the failure. The contact had taken the vehicle to an independent mechanic who was initially unable to duplicate the failure. The mechanic diagnosed the vehicle and discovered that the Powertrain Control Module (PCM) was defective. The mechanic also reached out to a dealer who informed him that there were no recalls on the vehicle. The manufacturer was notified of the failure and confirmed that there were no recalls on the vehicle. The vehicle had yet to be repaired. The failure mileage was approximately 82,000.