With the rapid development of the automobile industry, automobiles have entered thousands of households, changing the way people travel and bringing great convenience to people’s lives. With the iterative development of new technologies such as blockchain, the Internet of Things, and the Internet of Things, the application of new technologies to automotive products, especially the subversive application of smart cockpits, has greatly improved user experience satisfaction. At the same time, with the increasing number of automotive controller modules and the gradual increase in signal delivery between modules, higher requirements have been placed on the transmission frequency and anti-interference of automotive signals.