Programmed 2014-2016 Caprice ECM 12633555 | Plug & Play ECU
We take a tested, genuine GM module and flash it with the latest, most stable software update from the manufacturer, tailored specifically to your vehicle’s Vehicle Identification Number (VIN). The best way to ensure compatibility is to match one of the part numbers (12633555 ,12653998 ,12655007 ,12644446 ) with your original unit.