Yes, once BYD Qin's electromechanical unit fails, it can hardly be repaired. The owner can only change. Generally, a new electromechanical unit is replaced, and the price is about 2000 yuan. Of course, different brands, different models, the price of mechanical and electrical units is not the same, car owners need to refer to the actual situation. It should be noted that the electromechanical unit of the vehicle must be replaced in a professional organization, such as a 4S shop, to ensure that the parts are genuine. The electromechanical unit of vehicle gearbox is very susceptible to high temperature. Once the gearbox temperature is too high, the probability of electromechanical unit failure will increase.