The Body Control Module includes: vehicle safety, comfort control and information telecommunication system. The BCM is primarily designed to enhance vehicle safety, driving convenience and comfort. The function of BCM includes vehicle light control, wipers control, door lock control, power window control, seatbelt control, and anti-theft control. With strengthening the vehicle's reliability, BCM also helps to save the vehicle production cost. In addition, electronic vehicle signal communications such as CAN or LIN applied on BCM makes more sophisticated function on vehicle electronics.