As the modern automotive technology greatly improved,more and more electronic controllers are used in the car.With the rise in the number of the control unit and function becoming complicated,ECU test is difficult.Based on the software of CANoe and CANCase interface card and TVSystem built aECU test platform.Implementation of ECU test automation through simulation nodes established by CANoe,automation test script written by TAE and VTSystem,obtains the very good effect.