Part of the automotive power chassis system network uses the FlexRay bus, and the entertainment system network uses the MOST bus. The main network architecture of the vehicle is divided into body CAN (B-CAN), power chassis CAN (P-CAN) and a MOST bus. The P-CAN, BCAN and MOST network segments exchange data through the gateway. The MOST bus realizes the data transmission of the entertainment system, and the FlexRay bus, as a supplement to the power chassis CAN, realizes the wire-controlled steering control function. ICVs are characterized by intelligence and networking. The purpose of intelligent and connected vehicles is to enhance occupant comfort, optimize occupant safety, provide the most modern infotainment services and make car services more convenient.