2019 Chevrolet or GMC pickup ecu ecm computer 12695213 **Tested**Stock # 4C356 This is a good tested ecm or engine computer for a 2019 Chevrolet or GMC full size pickup. The part # is 12695213. It comes with a 90 day warranty. Make sure your part number matches before ordering. Used parts may have minor dings and scratches. Computer may need to be reprogrammed to your vehicle.