Back in August my wrench light would come on then I would lose the drive by wire. The truck would idle but when hitting the accelerating nothing would happen. Shutoff/restart would correct it. This started occurring 2-3 times a week and I kept restarting. Then in January it happened; when I restarted the truck the emissions light came on and neither light would go out. I took it to the dealership and they replaced the throttle body and reflashed the PCM. Then a few months later my PCM failed completely and Ford replaced that as well.

I would take it back to the shop (dealership)? and have them check it out.