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Right dipped headlight warning...

tally2425 Oct 7, 2013

  1. tally2425

    tally2425 Member

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    Well this might be a strange one, i'm basically getting this warning message on my dash saying 'Right dipped headlight warning' but my headlights work fine and it comes warning me all the time. It will come on for 10/15 seconds then go off then come back after 10/15 seconds, any ideas what this could be? maybe a disturbed sensor?
     
    Last edited: Oct 8, 2013
  2. tally2425

    tally2425 Member

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    bumpyy
     
  3. Geraldy212

    Geraldy212 Sportback owner

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    Some possibilities: Try changing the bulb, or at least plugging it in and out to clean the contacts, check the earth wiring (brown) on the RH unit, or perhaps the on-board supply control unit (electronic box that supplies power to all front lamps) may be faulty and sending the wrong signal on the CAN bus. Sounds a bit like a contact problem (intermittent high resistance) somewhere. Good luck.
     
  4. tally2425

    tally2425 Member

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    Thanks for the reply, first thing i'll try is pull the bulb out and clean the contacts and plug it back in seems like a simple enough job!
     
  5. fangio

    fangio Well-Known Member

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    Not self-levelling fault, is it? (If you have them, that is!)
     
  6. tally2425

    tally2425 Member

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    I have no idea, i can manually adjust them though!
     
    Last edited: Oct 8, 2013
  7. fangio

    fangio Well-Known Member

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    Check it's going up and down, must be lit and ignition on.
    If it's OK, at least it rules that out!
     
  8. tally2425

    tally2425 Member

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    Will check this tonight and report back, really appreciate the help guys!
     
  9. tally2425

    tally2425 Member

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    Well little update on things, went out in the car last night and my right side light didn't come on but after a few minutes of driving it came on, so i'm guessing the bulb is on it's way out, anyone got a link to buy OEM bulbs from? (don't want another error message for having the wrong bulbs)
     
  10. Dannykn9

    Dannykn9 "Cruise My Ride" VCDS Map User

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    Not necessarily the bulb mate. If it went off and then on again, this would suggest to me it is a wiring issue. Check the wires on back if connector are all intact properly and no corrosion etc. Had a similar problem few years ago but on the rear.
    I doubt it very much is the bulb, but could be wrong.
    But in the case if it is the bulbs then don't buy from the stealers as they will charge a fortune. You can get the same bulbs for less from places like eurocarparts etc. I believe the oem bulbs are by phillips.
     
  11. tally2425

    tally2425 Member

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    Coming to think of it i did have some work done on the car last week and it's only started since then so i'll have check that and could possibly be loose!
     
  12. JohnE

    JohnE 2005 A3 Sport 1.6 FSI

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    I've had a bulb fail in this mode - if the filament is burning out and collapsing - but as had been said, it's not common. I'm impressed with Audi's warning system - would be good if other cars had it judging by the number of cars I see with brake lights, headlights etc not working.
     
  13. tally2425

    tally2425 Member

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    So are you saying it could be the bulb or the wiring? i am impressed with the warning system too! just annoying when it makes a noise every 15 seconds :p
     
  14. Dannykn9

    Dannykn9 "Cruise My Ride" VCDS Map User

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    To check if it is the bulb, swap it with the left one and see if problem resolves. If so, you have found your problem, if not then as said, could be wiring/dodgy connection.
     
  15. tally2425

    tally2425 Member

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    Great idea, i shall try that (saves me buying one for now) also i'm guessing it's simple to replace the bulb? heard about A4's being a pain to get to, A3's any different?
     
  16. Dannykn9

    Dannykn9 "Cruise My Ride" VCDS Map User

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    A bit fiddly, but easy enough.
     
  17. LEE69

    LEE69 07 170 DSG Team Dolphin Grey Audi A3

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    I used long nosed pliers, if you use a mirror to see what you're doing in the first place it is quite easy.
     

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