Hey guys, i changed the volvo dealer and the mechanic found the problem: it was the cruise control switch which interferred the signal.
A tip from him: detach single parts from the SWM and then check the function. It is always one part which is interrupting the signal. So for example detach the indicator switch and try again. If still not working, detach the wiper and check. And so on. With this workflow, you can first check all parts and then see which one is broken.
VIDA will always just tell you that there is a problem within the LIN BUS system.
kind regards,
Jonas
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