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Discussion Starter · #1 ·
I want to get (going to get) my truck dyno tuned. I have the GMPP extended warrenty. While I don't think I'll ever blow my tranny, I'd like to have a back up PCM in case I need to go back for warrenty work, seeing that GM can now tell that you tweaked the PCM.

Where can I get a PCM for my specific to my truck's options?

Will the dealer be able to tell the PCM has bee switched?


What if my check engine light turns on AND i don't change the PCM and they scan the code - will they be able to tell the PCM has had a tune?


thanks!

Mr. 960
 
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