Hi, I imagine this question has been asked and answered before but I am not finding much searching. I buy alot of wrecked jetta MKV's and rebuild them. I have a few parts cars also. I am working on a 2007 Wolfsburg 2.5 that needs a transmission. The code is JUJ. I have a 2009 with a KGL code. I was wondering if it was possible to use the newer transmission by also switching the TCM. Has anyone ever tried this? Thanks