My first post here. Great forum!

I just got the truck lifted and had a fam friend re-program the tire press sensor settings. He is a 20+YR ASE and owns a very reputable shop.

By him re-programming this setting only, will this count in the ECM memory as if there was a tuner installled or some form of reprog and void the warranty ?Truck is bone stock with no perf mods.

i believe that can only be done with a tech 2. if he used that then i believe you are ok. someone correct me if i am wrong

it will not show up on the ecm reprograms.

You are 100% ok

Moved to Warranty section!