Also retrieves the VIN (vehicle identification number) on supported vehicles. It offers Full Feature Scanning including ‘LIVE DATA’.īy simply plugging it into your vehicles diagnostic socket, you will be able to Read all Trouble Codes & Definitions related to the “Check Engine Light”, Save & Review results, Reset the trouble light, Monitor & Freeze-Frame Data,and more. The U581 Scanner is for real-time automotive diagnosis based on the OBD 2 & CAN-BUS protocol.