[Vehicle CEL Doctor] The NT301 obd2 scanner enables you to read DTCs, access to I/M readiness status, figure out the root reason of check engine light or MIL turned on, monitor sensors test, read live data and retrieve VIN of your vehicle. The fault code only can be cleared after repair finished by NT301, as like all the obd2 code readers' working principle. As a basic code reader, it only support obd2 functions, not support any special functions or battery test. [Accuracy & Streams] Live data graphing and logging. Accurately read error codes for most Worldwide cars, SUVs, light trucks and 12V diesels equipped with Obd2. Graphing live vehicle sensors data allows you to focus on any suspicious data and trend. It is a engine code reader, it DOESN'T support read datas such as ABS, transmission and others. [Worthy to Own] Recommended by most professional mechanics on Youtube. Codes analysis and Printer compatible. Unique PATENTED design, 2.8" color screen and 1-year selle