By providing a universal terminal and method including hardware and applications that can automatically collect vehicle CAN data from an OBD-II scanner or connector regardless of the vehicle type, anyone can easily acquire vehicle data regardless of the vehicle type. The hardware of the terminal includes a vehicle communication unit 10, a power determination unit 20, a protocol determination unit 30, arithmetic and analysis determination unit 40, a database unit 50, a file storage unit 60, a file transmission unit. 70, an external communication unit 80, and a display unit 90, wherein the application includes a communication module, a determination module, a file management module, a security module, and a display control module. .
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