Car diagnostic tool for all OBDII compliant vehicles with fault code reader1、Universal Fit: Compatible with all OBDII compliant cars (including CAN, J1850 PWM, J1850 VPW, ISO9141 and KWP2000 protocols). 2、Fault Code Reader: This OBDII scanner can quickly diagnose car faults and error codes, visually display on the LED screen and complete the repair. 3、Quick Diagnosis: The OBDII scan tool allows you to troubleshoot any issues in your vehicle by reading the diagnostic trouble codes (DTCs) that appear. 4、Easy Operation: Handheld and ready to use with just one plug in, communicates securely with the onboard computer, and can be powered by a detachable OBD2 cable without batteries. 5、High Reliability: The multifunction car diagnostic instrument is highly reliable and accurate, and it can be repaired at home instead of going to a professional car repair shop, saving maintenance costs.