What is your question?
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What is your question?
I have a 96 saturn sl2. The transmission is not shifting properly, somtimes it will stutter or wont shift at all. I had it diagnosed at a small shop which told me it was the pcm. I swaped the pcm and still the same problem. Is there a seperate brain for the tranny?

1 Reply
you need to check the tps for activity. it is the key sensor the pcm lookks at for shifting. unfortunately, you need the old pcm for that. you cannot swap pcms without a flash update which can get a little costy. put back the old pcm and visit a trans shop and let them check it for you. Roy