Genuine GM Engine Control Module

When you are walking down a steep hill road, your brain will tell you that you need to walk slowly and carefully. What if for your GM car? When you are driving your car in an odd and uncommon circumstance, like driving back or driving down a steep hill, the engine control module (ECM) is something like our brain, and it can figure out that what are the best fuel-air mixtures, ignition time and many other factors for your car to drive in the best condition. When your fail to start your car, don't worry, it may be caused by starter or battery. But your engine control module definitely goes wrong when sudden stopping or jerking problem and difficulties shifting gears in an automatic transmission car happen. So check your engine control module before the light in gauge panel is lit. Otherwise, it can be dangerous. Change the engine control module is piece of cake for you. Before replacement, you need to find a brand new one. We offer you all GM genuine OEM engine control module at a lowest price.