Genuine OEM Volkswagen Battery Module Control Unit, part number 0Z1915140D. This electronic module is responsible for managing the functions and performance of the vehicle's battery module. It ensures proper charging, discharging, and overall health monitoring of the battery system. Weighing 0.424 kg and measuring 0.35m in length, this unit is designed for precise integration. Opting for a genuine OEM control unit guarantees correct firmware, sensor calibration, and seamless communication with other vehicle systems, crucial for safety and longevity.