Importance

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Abstract

A method of detecting illegal tuning of the vehicle may include obtaining and storing, by a controller, at least one of learning information including a variable value and a control value and engine state information at a time of controlling the vehicle while the vehicle is driven, as a learning value; comparing, by the controller, a learning value, which is newly obtained over time, with a prestored previous learning value; determining, by the controller, that a tuning chip for changing component performance in the vehicle is mounted when the learning value is changed and there remains a difference between the obtained learning value and the prestored previous learning value at a predetermined level or higher for a predetermined period of time; and creating and storing, by the controller, a tuning detection code when it is determined that the tuning chip is mounted.

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First Claim