I'm almost finished swapping my stick to an auto transmission. At first, the local dealership said that I could reflash my PCM from manual to auto and it would work. Now they say that it can't be done. I checked with Mustang Parts Specialties in Atlanta and they said the same thing - that I had to get a PCM that was specifically made for an auto transmission. Problem is I can't use my vin number to see which one fits. I went online and copied a vin number from a 2008 GT 4.6L coupe with...

PCM/ECU/ECM/Computer Part Numbers