They wouldn't go that far, but yes, they could, and you'd have to sue for remedy if they did. However, they would absolutely void your warranty if you put, say, a programmer chip on your engine and something happened with that engine. They don't have to prove your chip played a role.
You're right, they can claim that. But it's not legal. That's the point. Same with my original statement.
Read the thread. Pretty sure someone named the law.
My point was. They can and will void your warranty. You'll have to sue for remedy and you'll lose if their lawyers convince a judge, or half a jury, that it might be related to your mods or repairs. The time and effort, alone, isn't worth it, so you won't even bother, and they know it.
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