Hello
I'm not sure if I understood correctly
However, the FMB 140 has a built-in CAN module and you cannot connect the LVCAN of an external adapter CAN.
Details
https://wiki.teltonika-gps.com/view/FMB140_First_Start#2x6_socket_pinout
Please ask your sales manager about scheme and program for your vehicle
If you don't have any contacts with our Sale managers, please contact with them on our official website
https://teltonika-gps.com/
and click on the "Contact Us" button. When you will click, please fill the form and submit it.
Note: as a topic, please choose "Vehicle telematics".
Or you can send an e-mail with description of your situation to info@teltonika.lt
or
If you can find wires for CAN bus you can try use Autoscan features.
Details
https://wiki.teltonika-gps.com/view/FMB140_autoscan_feature_instructions
Perhaps you will find some compatible program and parameters.
Thank you
