KarelSvo

well just don't throw files from different versions together :D

https://github.com/cedricp/ddt4all/releases

I have already written very often that I am not using this Python 3 version because it still contains some bugs. What exactly your problem is cannot be deduced from...

> DDT4ALL does not want to make any writing to ECU Audio https://github.com/cedricp/ddt4all/issues/34

This error message only relates to individual parameters that are marked on the screen with red no data. If you do not show your ddt4all log files, no external error...

Could be a capacity Elm problem as the Media Nav Ecu is identified but no acoustic parameters are read. In the log you cannot see whether the Elm also has...

Busy Repeat Request Message when writing to the ECU Does the media nav start normally or are error messages displayed on the screen?

There was a repair offer https://github.com/cedricp/ddt4all/issues/113#issuecomment-927524053

> i wonder if a dump in pyren can be made from a working Medianav - and then rollback on your radio using pyren? - just a thought , although...

https://github.com/cedricp/ddt4all/issues/490