I will give it a go this spring when I put the 37s on. Please chime in if anyone has done this successfully, Thanks.The normal 2018 F150 can change tire size in FORScan and then perform a PCM relearn followed by a TCM relearn and remove the CEL so I would think it would be the same on the Raptor unless others have tried and been unsuccessful.
Also thank you Livnitup for all of your contributions to this thread! I would have never been able to execute anything with forscan without your posts!!!!!!
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