Professional diagnostic devices are specially designed for use in workshops and by professionals. They offer comprehensive diagnostic capabilities and support a wide range of vehicle makes and models. These devices can not only read and clear error codes , but also display live data and perform special tests such as actuator tests. They also allow the calibration of control units and the performance of service resets. Thanks to these advanced functions , professional diagnostic devices can make the work of mechanics much easier and improve the quality of the repairs carried out. A professional diagnostic device is therefore an indispensable tool for every professional workshop.