The diagnosis interface for data bus (part number 5WB907530K) is a critical onboard electronic module used in CUPRA Leon models to manage communication across various vehicle control units. This gateway module serves as a central interface between the CAN, LIN, and FlexRay networks, enabling seamless diagnostics, real-time monitoring, and fault detection via diagnostic tools.
Essential for vehicle system integration and OBD-II diagnostics, this component ensures reliable data transfer across safety, infotainment, and powertrain systems.