Switching pcms
#1
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Switching pcms
I was wondering if gm can tell if i switch out my pcm. I have the gm stage 2 but i wanted a little more power while still maintaining my warranty. I was thinking that i will buy another pcm get it tuned and then switch back if i have any problems. Would they have anyway of noticing this?
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If you have the stock stage II tune on one pcm, that was never tuned, and then have a completely separate pcm with a modded tune, and interchange them for dealer issues, I don't think you'll have a problem.
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yep. but if u know a friend that works at a GM dealer and can do the relearn then umm good stuff there lol only he will know
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