1. Our Service: We are committed to providing you with satisfactory service. If you have any questions, you can contact us at any time. We will reply you within 24 hours and try to solve the problem for you. 2. Read and Clear Codes: Launch 3001 OBD2 scan tool can be used to read and clear engine system fault codes. In addition, Launch 3001 has a built - in fault code lookup library. Launch Creader 3001 OBD2 scanner works on most 1996 and newer OBDII compliant US vehicles. OBDII protocols: KWP2000, ISO9141, J1850 VPW, J1850 PWM and CAN. It is a hot plug scan tool with a 30 - inch long cable and made of extra thick flexible insulation, which is easy to use for beginners. 3. I/M Status Test: You can use this OBD2 scanner to check the status of the device, emission and fuel system monitor. Make sure the monitor has been adjusted before use. It may help you pass the pollution test and save money instead of paying fines. 4. Check Engine Light and Set VIN Information: If you finish repairing the faulty components, turn off the MIL, then clear the fault codes and turn on the vehicle ignition. You may see the check engine light go out. In addition, Launch Creader 3001 OBD2 scanner can read car information such as VIN number. 5. Freeze Frame Display/Live Data Stream/O2 Sensor/EVAP System Test/On - Board Monitor Test: Launch 3001 is a useful and economical OBD2 car diagnostic tool that supports reading live engine system data and can quickly detect vehicle faults, saving you the trouble of going to a mechanic. 6. Our Service: We are committed to providing you with satisfactory services. If you have any questions, you can contact us at any time. We will reply you within 24 hours and try to solve the problem for you.