Giannis82 Posted April 27 Share Posted April 27 Hi everyone. Yesterday I had my first broken lamp on my 2019 Focus, it's the left headlamp. Strangely, I had no warning light on my cluster. The little yellow lamp lights up when I start the car but it didn't when it actually should. Anyone knows why is that? Quote Link to comment Share on other sites More sharing options...
unofix Posted April 27 Share Posted April 27 What kind of headlights have you got? Have the factory halogen lights been replaced by LED after market lamps? Quote Link to comment Share on other sites More sharing options...
Giannis82 Posted April 27 Author Share Posted April 27 9 minutes ago, unofix said: What kind of headlights have you got? Have the factory halogen lights been replaced by LED after market lamps? I've got the factory halogen headlights. Quote Link to comment Share on other sites More sharing options...
unofix Posted April 27 Share Posted April 27 49 minutes ago, Giannis82 said: I've got the factory halogen headlights. Then why the lamp failure warning didn't activate is a mystery to me. 🤔 1 Quote Link to comment Share on other sites More sharing options...
TomsFocus Posted April 27 Share Posted April 27 Not all bulbs are covered by the CANBUS check. I would have thought the dipped beam bulbs were though. Try leaving one completely unplugged and see if the warning comes up. 2 Quote Link to comment Share on other sites More sharing options...
unofix Posted April 27 Share Posted April 27 3 minutes ago, TomsFocus said: I would have thought the dipped beam bulbs were though. Yes I would agree. The dipped beam are controlled by the BCM. The high beam are relay controlled and so they would probably not be detected when they fail. 2 Quote Link to comment Share on other sites More sharing options...
iantt Posted April 27 Share Posted April 27 As you noticed the light fail, why have a light on the cluster telling you the obvious. Side lights ,indicators and brake lights I can see why. 1 Quote Link to comment Share on other sites More sharing options...
smeders Posted April 27 Share Posted April 27 My driver's side fog light has gone and no warning at all so not all covered 1 Quote Link to comment Share on other sites More sharing options...
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