A tire pressure monitor system tool is capable of communicating with a plurality of tire pressure monitor systems. The tool includes a storing module that stores a plurality of communication protocols that are used for enabling the tool to communicate with a tire pressure monitor system. The tool enables a user to input the parts number of a sensor used by the vehicle having a tire pressure monitor system. Based on the vehicle data input and/or the parts number, the tool determines a tire pressure monitor system installed on the vehicle using information stored by the tool. Based on the tire pressure monitor system installed on the vehicle, the tool determines a protocol used by the tire pressure monitor system to communicate with, for example, the tool and an electronic control unit of a vehicle.