AUTOMOBILE DIAGNOSIS DEVICE, SYSTEM AND METHOD

Disclosed are an automobile diagnosis device, system and method. The automobile diagnosis device includes: an automatic diagnosis circuit for acquiring vehicle identification information of an automobile to be diagnosed; a standard communication bus circuit electrically connected to the automatic diagnosis circuit; several diagnostic communication bus circuits including at least one of a 24V CAN bus circuit, an FDCAN bus circuit, a PLC bus circuit and a DoIP bus circuit; a communication module; and a controller. The controller is electrically connected to the automatic diagnosis circuit, the standard communication bus circuit, each diagnostic communication bus circuit and the communication module respectively. The controller is configured to select a target communication bus circuit according to the vehicle identification information and communicate with the automobile to be diagnosed.