Check your vehicle's supported diagnostic systems with the Konnwei KW850 OBDII CAN Car Diagnostic Scan Tool. It is designed to communicate with compatible OBD2 systems and retrieve available fault codes, helping users investigate potential vehicle problems. The tool can be useful when a check-engine light or other supported warning appears and you need preliminary diagnostic information. Its compact handheld construction makes it easy to store in a toolbox or vehicle. Suitable for motorists, DIY mechanics, automotive technicians, and workshops. Check your vehicle's compatibility before purchase to ensure the required functions are supported.