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Originally Posted by 06-H3
Yes. You will need to reprogram the computer for the bigger tires.
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Actually, that depends. The PCM can only be programmed up to 33" tires (at least by the dealership). If he already has 33's, there isn't much point in getting a custom tune just for the tires. If he has 32" tires, he can have it programmed by the dealership up to 33".
The TPM system will only need to be relearned if you change which four tires are on the ground by rotating in the spare. The instructions are in the owners manual or do a search on here.