ACDelco 24241890 GM Original Equipment Automatic Transmission Control Valve Body with Transmission Control Module Includes necessary hardware such as a filter plate, solenoids, and an upgraded lead frame to ensure quality installation Latest calibration software available for download allows for reprogramming without reliance on a dealership Integrates both electronic and hydraulic components into a single module for optimal durability GM-recommended replacement part for your GM vehicles original factory component Offering the quality, reliability, and durability of GM OE