OBD II/EOBD SCAN TOOL WITH ABS CAPABILITY MaxiScan庐 MS609 The MaxiScan庐 MS609 scan tool is built to help you determine why the Check Engine Light or the ABS warning light is on. The tool offers the same features and functions as the MS509 (i.e. enhanced live sensor data and oxygen sensor readings). It comes with additional benefits like enhanced OBD II Mode 6 and OBD II repair information. The repair information offers meaningful description and probable causes to DTCs.