This Dorman 609-001 shift solenoid is a perfect replacement for your 2010-12 Buick transmission control module. It is made of high-quality plastic and steel materials, ensuring durability and long-lasting performance. This solenoid is compatible with various Buick models and comes with a manufacturer part number of 609-001. Included in the package is the solenoid itself, and it is not a vintage or universal fitment item. The California Prop 65 Warning applies to this product as it contains cancer and reproductive harm chemicals. Purchase this shift solenoid with confidence, and it will surely meet your transmission control module needs. Comes as shown. This is new remanufacured without the original packaging. No returns. Dorman transmission electro-hydraulic control modules (TEHCM) combine the TCM, valve body solenoids, and pressure and temperature switches into one unit. They restore the ability to shift the vehicle in and out of gear without hesitation or rough shift. They're fully remanufactured and vehicle simulator-tested for durability and quality assurance. Programming is purchaser's responsibility. Requires programming - after installation, module must be programmed with original manufacturer software, such as through a Remote Assist Programming (RAP) Kit