Mileage backup method and apparatus, vehicle and control device

The invention discloses a mileage backup method and apparatus, a vehicle and a control device. The mileage backup method comprises the following steps: obtaining a vehicle key sent by a vehicle function controller when being initially connected with a vehicle; verifying the vehicle key; and after the vehicle key verification passes the verification, sending a vehicle mileage to the vehicle function controller. In the embodiment of the present invention, the mileage information of the instrument controller is backed up to the vehicle function controller of all nodes on the CAN network, and theinstrument controller and other vehicle function controllers on the CAN network are respectively used as the primary and secondary nodes to effectively solve the vehicle. The mileage problem can be changed by replacing one or two modules of the vehicle, and the vehicle key can be applied to the vehicle mileage backup, which can effectively improve the reliability of the vehicle. 本发明公开了种里程备份方法、装置、车辆及控制设备，该里程备份方法包括：获取车辆功能控制