Hello everyone I have a 2016 mustang GT. I recently had my transmission rebuilt (6R80) because the clutches burnt up. I had it rebuilt and they also put a new valve body in there. What they didn't do was reprogram the valve body (valve body relearn) and now it shifts like crap. They left the old sticker on the side of the transmission case so it is not the new one that I need and they can't get it so I am dealing with everything on my own. I took it to a place for a tune and they said that I...

6R80 Inquiries