If your GM vehicle starts hard, stalls or is running poorly, it could be because of a failing fuel pump driver module. But when the factory module fails on select models, the dealership's replacement part requires expensive calibration and programming. This time-saving Dorman OE FIX replacement is pre-programmed for an easier and more predictable installation. It also features a thermal- and vibration-tested backing plate for greater resistance to corrosion, and upgraded active electronic components for added reliability.