Engine Engine Control Module (ecu/ecm) Software Problems of Ford F-150

The contact owns a 2013 Ford F-150. The contact stated that on several occasions while driving at various speeds, the vehicle inadvertently downshifted into a lower gear and the speedometer stopped working. Additionally, the check engine and power train warning lights illuminated sporadically. The vehicle was steered to the side of the road and restarted each time. The contact then received notification of an unknown recall and the vehicle was taken to a dealer where it was diagnosed that the ecu needed to be reprogrammed. The vehicle was repaired but the failure became frequent. The contact stated the on one occasion during a failure, and pulling over to the side of road, the contact opened the hood and observed two parts sitting on the frame rail. The vehicle was then taken to a dealer where it was diagnosed that the transmission and blower motor/hvac parts needed to be replaced. The vehicle was not repaired. The manufacturer was not notified of the failure. The failure mileage was approximately 108,000.

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