I tried to connect my OBDII bluetooth device by bluetoothctl. The pairing process is smooth but connecting is not.
The console shows "Failed to connect: org.bluez.Error.NotAvailable"
However, connect to my bluetooth travel mouse is successful
After digging out a little bit, it seems that the profile of my OBDII, Serial Port probably, is not attached automatically.
Someone discussed this issue here
Were you ever able to solve the issue of the ODBII disconnected right after connecting? I'm experiencing the same exact issue.
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