Genuine OEM Audi Parking Brake Control Unit, part number 4H0907801L. This electronic control unit manages the operation of the vehicle's parking brake system, ensuring proper engagement and release. It processes signals and controls actuators to maintain the parking brake function. The module weighs approximately 0.301 kg and measures 0.146m in length. Choosing a genuine OEM control unit guarantees correct firmware, precise sensor calibration, and seamless communication with other vehicle systems, critical for safety and system reliability.