The Body Control Unit (BCU) is a crucial component of a vehicle, responsible for managing various accessories within the system. It connects to the Powerbus network, supplying 12 V to the entire system, ensuring all components function properly. The BCU is equipped with a 48-pin Molex connector, serving as the interface to the vehicle's wire harness, which facilitates communication and power distribution. Additionally, it features an integrated speaker that emits signal tones for alerts and notifications. A USB-C connector is also included, allowing for device charging and serving a vital role in providing software updates for the entire Movaria system. This integration of features makes the BCU essential for modern vehicle functionality and connectivity.