HP MPVI3 is the premier diagnostics solution for vehicle performance with over 19 years of expertise. Say hello to the latest generation OBDII interface. Use MPVI3 and our VCM Suite software package to read DTCs and diagnose check engine lights, view diagnostic and critical-emissions data, and read various control modules in your vehicle. MPVI3 is the only diagnostic tool you need to help you get back on the road.