Good day. Thank you for your question.
FMB module works with Bluetooth OBD II dongles which are based on ELM327 or STN1110 chips. For more information, you may refer here - https://wiki.teltonika-gps.com/view/Template:FMB1_Bluetooth_OBD_dongle
Also, please take note that the parameter exhibited from the OBDII port is subject to the vehicle itself. To check on the available OBDII data, you may refer to this link which https://wiki.teltonika-gps.com/view/How_to_check_available_OBDII_data%3F
Additionally, We have a newer firmware with Bluetooth dongle OBD data reading improvements, but unfortunately, we cannot provide any firmware version by the crowd support forum, we recommend you contact your sales manager. If you don't have any contacts with our Sales managers, please contact 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 the description of your situation to email@example.com
Thank you for your understanding.