1Ecu Programming Coding: Could program Ecu and fix software controlled driving performance and emission issues, program adaptive data for car control modules after repair or replacement of vehicle part. 2Active Test: Perform a specific function including system tests, actuator tests, functional tests, inspection tests, reprogramming or reinitialization, thus saving diagnostic time. 3All System Diagnostic: Enables a data link to the electronic control system of the test vehicle for vehicle diagnosis, performs functional tests, retrieves vehicle diagnostic information. 4OBD2 Functions: Reading, erase codes, I M readiness status, read live data stream, view freeze frame data, O2 sensor test, on board monitor test, read vehicle information, Dtc lookup, Evap system test. 5Read Vin: Quickly read vehicle vin and run diagnostic on the selected system that allows you to easily identify vehicle information, such as manufacturer model, year and place of manufacture, etc.