RioRand CAN Diagnostic Scan Tool (for OBDII OBD2 Vehicles) Powered by RioRand Advanced Technology The RS300 supports all current OBD-II protocols--communications between your car's components and systems--including the newly released Controller Area Network (CAN) protocol The included CD containing 7,000 DTC definitions allows you to troubleshoot a wide variety of generic Simply plug it in via its standard 16-pin OBD-II connector at the first sign of trouble and start diagnosing, regardless of your post-1996 car's make or model