Here's a general overview of the process: Bender Gestalt Test Cards.pdf [OFFICIAL]
ForScan is a popular software tool used for diagnostics and reprogramming of Ford vehicles. A "ForScan PCM update" refers to the process of updating the Powertrain Control Module (PCM) firmware using the ForScan software. The PCM is a critical computer system in a vehicle that controls the engine and transmission. Vegamovies Tanu Weds Manu Guide