Vehicle data acquisition, caching and retransmission method and remote monitoring terminal

The invention discloses a vehicle data acquisition, caching and retransmission method and a remote monitoring terminal, and belongs to the technical field of data transmission, and the method comprises the following steps: after a vehicle is powered on and started, acquiring and sending vehicle data, and when the vehicle data fails to be sent, receiving a feedback fault code corresponding to the vehicle data failed to be sent from a server, wherein when the fault code is a permanent fault code, the vehicle data corresponding to the fault code is not cached, and when the fault code is a non-permanent fault code or a fault code which is fed back by the server and corresponds to the vehicle data which fails to be sent is not received, the vehicle data corresponding to the fault code is cached; and when the normal data is not sent, sending the cached vehicle data. According to the invention, failure reason judgment is carried out on sending failure data, excessive memory of the controller is prevented from being