03 47re going into an 01

[Rednecktified]

I bought a 47re built by hts out of an early 03 and i put it in my 01. the neutral safety switch is the only thing that is different. i grounded it to get the truck to start but the trans goes into limp mode. does anyone know how to resolve this issue?

 

[LAmiller]

If I were you I would call Tim Barber in VA... I would guess hes going to have as good of an idea as anyone. 757-831-7451