Climate controls stopped working? Easily replace your unit with this brand new Dorman OE FIX HVAC control module assembled and tested in the USA. This unit contains proprietary software that eliminates the need for programming with GM-specific software like SPS (Service Programming System). Because of this, one OE FIX module fits a wide range of General Motors, Isuzu and Saab vehicles that have manual air conditioning controls. After installation, the unit is automatically configured to the vehicle, making installation quick and easy.