Quote:
Originally Posted by Number 3
Doesn’t matter if they tell GM or not. You would have voided your warranty. GM would find it when the dealer submitted the PCM snapshot for warrant approval. It’s void either way.
This may get you by an emissions check but this will void your warranty and GM will find out when the dealer submits the snapshot.
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By the time you're planning to tune the PCM to begin with you already don't care about warranty.