This electronic computer module ECM 12629209 12625455 is a genuine OEM part for 2009 Silverado 1500. It is designed to control and monitor various electronic systems of the truck, ensuring optimal performance and reliability. The module has been tested and is fully functional, ready to be installed in your vehicle.

The part number for this ECM is 590-01527, and it is a perfect fit for the 2009 Silverado 1500. The module is made by Chevrolet Truck, and it is an essential component for the proper functioning of the truck's electronic systems. If you need to replace your ECM, this is the perfect product for you.