It allows technicians to perform functions like reading and clearing fault codes, performing advanced diagnostics, and making customizations to the FRM's settings. The tool is designed to work with a variety of Volkswagen Group vehicles, including Audi, Volkswagen, Seat, and Skoda. VCDS FRM is a diagnostic tool developed by Ross-Tech that specializes in troubleshooting and fixing faults in the Footwell Module (FRM), a vital component of a vehicle's electrical system.