Main Function Read Code (View DTCs and their definitions on screen) Erase Code (Erase DTS with one click, no need to seach online anymore) Engine Diagnosis (Turn off Check Engine light MIL) Battery Voltage Measurement (Exclusive Feature) Battery Voltage Monitor Battery Charging Test Battery Cranking Test Vehicle Information (Vehicle Identification No. (VIN), Calibration ID(s), Calibration Verification Nos. (CVNs) and In-use Performance Tracking) Live PCM Data Streaming (retrieve vehicle real time data of Mode 1.) I/M Readline (Check the operations of the Emission System) View Freeze Frame Data (Just need several seconds to validate the PID MAP).