The 2011 Subaru Impreza Transmission Control Module TCM TCU 31711AN890 OEM Original is a specific part designed for Subaru vehicles. It is a Transmission Control Module that requires programming for proper functionality. With a bolt-on mounting style, this OEM part from Subaru is an interchange part number 31711AN890. It is not a vintage part and does not offer universal fitment, making it a precise and essential component for controlling the transmission in a Subaru Impreza.