Quote:
Originally Posted by stieger
ECM/PCM are VIN matched from the factory. But, even if you were able to get a spare one and use it. You would have gaps in the mileage on the PCM. Which GM would notice.
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Interesting, where did you acquire this info if I may ask. Not calling you a liar at all, there is just a lot of misinformation out there and I cannot find anything specific about it through search.
I think I may check with my dealer on the LT's as it seems to be a case by case basis. If they do indeed void the warranty, then this is a moot point