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fr3ts0n / AndrOBD

Android OBD diagnostics with any ELM327 adapter
http://fr3ts0n.github.io/AndrOBD/
GNU General Public License v3.0
1.37k stars 298 forks source link

other ECUs ? #89

Open freeeflyer opened 4 years ago

freeeflyer commented 4 years ago

Hello, Is there a way to access other ECU like mrs/srs or others ? thanks

fr3ts0n commented 4 years ago

No, usually only emissions relevant ECUs of the drive train support the OBD protocol.

freeeflyer commented 4 years ago

Are you sure ? I accessed airbag and all other ECU with an android commercial closed source solution and my ELM327..

ChrisS81 commented 4 years ago

My Car has 3 ECUs on a CAN Bus and i can connect to any of them using AndrOBD without issues. Sure, some if them are sending Nonsens data for some Codepoints but nonetheless i can connect to them. The first one AndrOBD shows me is the Engine ECU. The second one is Transmission Control and the third is something like exhaust Processing IIRC (AdBlue system i guess)

Am 12. November 2019 07:55:38 MEZ schrieb Nicolas Zagulajew notifications@github.com:

Are you sure ? I accessed airbag and all other ECU with an android commercial closed source solution and my ELM327..

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fr3ts0n commented 4 years ago

Are you sure ? I accessed airbag and all other ECU with an android commercial closed source solution and my ELM327..

Other ECUs may be accessed using different communication protocol(s) than OBD. These protocols are only partially standardized and their data content is very specific to the vehicle manufacturer- and even vehicle type.

That's why these apps usually are closed source, specific to certain manufacturers and commercial. Some of these even can operate on ELM327 adapters.

fr3ts0n commented 4 years ago

@ChrisS81 I agree, all three ECU's you can connect with AndrOBD are emissions relevant and obviously service OBD protocol. However, chances are poor to find an Airbag- or SRS-ECU which serves OBD protocol.

enfranc1991 commented 3 years ago

555