There is a lot to do about that! I have just replaced this sensor of my 2019 A6 C8 50Tdi, with Err code P229F - implausable Signal. This sensor is the last one on the exhaust under the car and easy to access, see encircled no19 on below drawing. Common problems are: damage of the wiring leading...
Did the dongle thing already, but it's not a stable connection! It really sucks to have a modern car with a non functional wireless mode! Recently I stepped into a 2023 A5 .. and no problem at all .. that frustrates!! Specially when an Apple device works wireless with no problems at all in the...
I've got a German MY'19 A6 50Tdi and recently updated the MMI software at the dealer to the latest version, but it didn't help me getting wireless Android! What kind of hardware was replaced in your car to be able to get it, could you find that out? Should be the unit housing the wifi module...
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