Computer Failure problems of the 2010 Ford Taurus

The contact owns a 2010 Ford Taurus. The contact stated the vehicle interior lights, headlights, turn signals and the instrumental panel lights would flicker on and off. The gear shifter could not be shifted out of park when the light failure occurred. The vehicle was taken to the dealer who performed a diagnostic that located the failure at the vehicle computer. The was unaware of what caused the computer to fail. The vehicle was repaired. The failure mileage was 12,000 and the current mileage was 20,000.