Q5 DRLs not working

[Sayam]

Hi all

Someone I know has reached out for some help.

A 2014 Q5 DRL works are normal on 0 position but when you switch side lights on or headlights or use auto function the DRL switches off completely.

Does anyone have suggestions on what to try or check?

He’s a mechanic and has access to some diagnostics/coding equipment

thanks

 

[phil_w]

Definitely check for errors but could have been coded that way for some odd reason so I guess the question really is did it used to work and has now gone wrong or is this a newly bought car?

VCDS or equivalent needed wither way.


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