2010 2012 gm fuel system control module 20791901 programmed to your vin fscm this listing is for a fuel system control module (fscm) that is programmed/flashed for your vehicle with the newest updates from gm using your vin to match your vehicle. This item is in the category eBay Motors\Parts & Accessories\Car & Truck Parts & Accessories\Starters, Alternators, ECUs & Wiring\ECUs & Computer Modules.