Quote:
Originally Posted by MADBADGER
so gm will not know a computer from a 2011 is in a 2013?
I doubt this
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Well it would if you took out the ECM the car came with, and put it aside. Never flashed.
Then put in the 2011 ECM and flash it with whatever you want.
If any warranty issues were to arise pull out the ECM and put back in the original.
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