The Controller Area Network (CAN) is a robust vehicle bus standard designed for real-time communication among various electronic components in automobiles. It allows microcontrollers and devices to communicate with each other without a host computer, making it essential for modern automotive systems. Originally developed by Robert Bosch GmbH in the 1980s, CAN is widely used in vehicles for functions like engine management, transmission control, and safety systems. Its ability to prioritize messages and handle multiple data streams simultaneously enhances reliability and efficiency in automotive applications.