The contact owns a 2015 Ford F-150. The contact stated that while driving at undisclosed speeds, there was a misfire coming from the engine. The contact stated that the ignition coils had melted and were replaced four times. The check engine warning light was illuminated. The vehicle was taken to the local dealer, where it was diagnosed and determined that the PCM needed to be replaced. The vehicle was not repaired. The manufacturer was not contacted. The failure mileage was approximately 153,000.