Car OBDII Scanner Diagnostic Tool:Easy to use plug-in car scanner to read and clear codes. Retrieve generic codes and display DTC definitions. It can check for engine related fault codes and easily find out the cause. Wide Compatibility:The barcode reader and scanning tool is compatible with all OBD II and CAN compliant vehicles, passenger cars or light trucks, after 1996 in the US, after 2000 for EU and Asian cars. Not compatible with new energy and hybrid vehicles. Accurate Freeze Frame Date Diagnosis:The car code reader comes with the function of viewing the freeze frame, which allows you to retrieve the data of the failure occurrence recorded in the ECU, find out the reason why the check engine light is on, and reduce the test drive verification time. I/M Preparation Function:The car diagnostic scanner is equipped with an I/M preparation function to check the operation of the emission system of the OBD2 compliant vehicle. It includes a vehicle-specific number of monitors such as misfire monitors, fuel system monitors, integrated component monitors, oxygen sensor heater monitors, EVAP systems, and more. It can help prepare your vehicle to pass the annual smoke inspection. Keep the engine in good condition:When the MIL is always on, just plug in the 16pin OBD II port of your car, press the button according to your needs, you will immediately see the error code and its definition on the screen. Erase the engine fault code