THINKCAR THINKOBD 20 OBD 2 Scanner Car Diagnostics Tool Automotive Scanner OBD2 Scaner ODB2 Code Reader Auto Universal Diagnosis Featuring all modes of OBDII functions, DTC Lookup, Plug and Play etc., it is truly the ultimate entry-level choice in ease and affordability, enabling DIY users to verify repairs, road test, check state emission monitor status and solve basic engine and driveability problems. Full OBD2 Function Diagnnosis Reading CodesShow the detailed description of the Diagnostic Trouble Code (DTCs) Erasing Codes & ResetTurns off Check Engine Light (MIL), clears codes and resets monitors.Data StreamReads and displays live ECU/PCM data stream, plotting functions graphically and stores freeze frame data.I/M Readiness Status Shows whether the various emissions-related systems on the vehicle are operating properly and are ready for inspection and maintenance testing. Read Live Data Stream Show the information of continuous data stream from a vehicle in live graphic (waveform) display. View Freeze Frame Data Check the certain vehicle conditions which are recorded by the on-board computer at the time the emission-related fault occurs. O2 Sensor TestAllows retrieval and viewing of O2 sensor monitor test results for the most recently performed tests from the vehicles on-board computer. On-Board Monitor TestRetrieves and displays test results for emission-related powertrain components and systems. Read Vehicle Information Display the information such as VIN (Vehicle Identification Number), CID (Calibration ID) and CVN (Calibration verification number), etc.EVAP Monitor Test THINKCAR THINKOBD 20 OBD2 Scanner Support Reset Check Engine Light THINKOBD 20 enables you to clear the engine warning light, after completing the full obd2 diagnostics with ease. The main purpose of this tool is to: *-Scan the engine systems; *-Tell you about the nature of the issue; *-Give an accurate reason why the engine check light is on;*-Help to detect any potential problems; *-Avoid excessive costs for unnecessary repairs.**The warning light does not turn off till you fix the issue. THINKCAR THINKOBD 20 OBD2 Car Scanner Support Reset Check Engine Light Pass Emission Test Smoothly