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Torque » Torque OBD ECU Scanner » Torque Discussion / Ideas » Change OBD password

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Author Topic: Change OBD password
taoloo897@gmail.com
Member
Posts: 1
Post Change OBD password
on: January 16, 2018 (GMT)

Hi all.
Can we change default obd2 bluetooth adapter password “1234”?
If yes please tell me HOW?
Many thanks

cintakc
Member
Posts: 1428
Post Re: Change OBD password
on: January 16, 2018 (GMT)

can this information help you
http://www.mcu-turkey.com/wp-content/uploads/2013/01/HC-Serial-Bluetooth-Products-201104.pdf

piemmm
Administrator
Posts: 6078
Post Re: Change OBD password
on: January 17, 2018 (GMT)

Hi!

IIRC to set the name and pin it needs to be done from the OBD2 adapter side of things, rather than the incoming bluetooth connection, so you would need to open up the adapter itself, drop a line on the TX/RX from the adapters ELM clone chip, and then send the relevant commands from there

It can be done via an atmega chip if you have an arduino board lying around, which can be quite handy for things like this

A setup (like on the wiki) as follows (as the adapters use the same bluetooth radio module) will generally get you started:

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