Contour Enthusiasts Group Archives Forums Modifications Duratec Performance installed ru-3350 and check engine light is on

so i dont quite understand, will the light go off after they scan it or do i have to wait for the problem to be fixed for the light to go off, and do i have to do something to turn off the light or does it go off when the problems fixed, and how much do they charge to get the code at autozone?