How to contact obd or usb can
Here you can find some information about how to connect OBD2 adapter with RealDash:
All methods of connection have been tried, including Wi-Fi, Bluetooth, and USB, but without success. I need a reliable method of connection."
nissan patrol 2010 y61
OBD2 and usb can are 2 different things OBD well connect on BT make sure your head unit is connected to the OBD2 BT than in garage choose OBD speed 9600
Your car I don’t think using can bus , its K line I believe