Abstract: The event-triggered CAN is not real-time and deterministic enough as the underlying network for powertrain system of independent driving electric vehicle (EV). The time-triggered CAN (TTCAN) protocol was adopted for powertrain system of a self-developed 2-wheel independent driving EV. Then the scheduling strategy was promoted based on AL algorithm. The performance of real-time capability, transmission delay, periodic jitter and bandwidth utilization were theoretically analyzed and experimentally tested. The results show that the protocol can effectively improve the real-time capability and determinacy of system communication.