Vgate ELM327 OBD2 V2.1 Scanner Car Diagnostic Adapter Scan Tool Fault Detection Features: 1.Read diagnostic trouble codes, both generic and manufacturer-specific, and display their meaning (over 3000 generic code definitions in the database). 2.Clear trouble codes and turn off the MIL ("Check Engine" light) 3.Display current sensor data, including: 4.Engine RPM 5.Calculated Load Value 6.Coolant Temperature 7.Fuel System Status 8.Vehicle Speed 9.Short Term Fuel Trim 10.Long Term Fuel Trim 11.Intake Manifold Pressure 12.Timing Advance 13. Intake Air Temperature 14.Air Flow Rate 15.Absolute Throttle Position 16.Oxygen sensor voltages/associated short term fuel trims 17. Fuel System status 18.Fuel Pressure Specifications: 1.Hardware version: V2.1 2.It supports all OBD-II protocols. 3.It is used to read diagnose trouble codes,clear trouble codes and detect fuel pressure and so on. 4.Supports All OBD-II Protocols : ISO 9141-2 (5 baud init, 10.4 kbaud) ISO 14230-4 KWP (5 baud init, 10.4 kbaud) ISO 14230-4 KWP (fast init, 10.4 kbaud) ISO 15765-4 CAN (11 bit ID, 500 kbaud) ISO 15765-4 CAN (29 bit ID, 500 kbaud) ISO 15765-4 CAN (11 bit ID, 250 kbaud) ISO 15765-4 CAN (29 bit ID, 250 kbaud) Package include: 1*ELM327 Unit (Bluetooth Version) 1* CD Drive