Computer Recalibration?

[TheTrueMoron]

I got new tires and rims about a month ago (33" Mud Terrains) and I thought that you had to have the computer recalibrated so that it can properly measure speed and whatnot. Now my ABS kicks in almost every time I brake and it never needed to before (I don't brake hard). Is something on the truck supposed to be adjusted when I get new tires?

[andy.parrow]

I believe the dealership can do this for you. The ABS kicking in would be the speed sensors. Mine rusted out and I got them covered under a saftey recall. Yours might be from the larger rims.