Volvo v40 start-stop problem and function failures

Hi! I have a 2017 Volvo v40, diesel engine, with 172,000 km on it. I've encountered several problems with the car. Some functions are unavailable, and the start-stop system isn't working properly. At low revs, the engine cuts out and requests a restart. Can anyone help me understand what might be causing these problems and how they could be solved?

(Translated from Hungarian)

1 comment(s)

Check the battery's health and connections first, as a weak or failing battery can cause electrical issues and affect the start-stop system. Let me know if this resolves the problem or if you need further assistance.

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