Error running 01 46, response: ...UNABLETOCONNECT

Getting the data from OBD II simulator to android application via Bluetooth successfully.

Now I am trying get the data from ELM327 device to android application.

I have an ELM327 device connected to my Car. Bluetooth connection happens by ECU connection fails with unable to connect error.

getting below error, D:NetworkManagementSocketTagger: tagSocket(80) with statsTag=0xffffffff, statsUid=-1

E : Failed to run command. -> Error running 01 46, response: ...UNABLETOCONNECT

Could you please help me to resolve this issue.