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Thread: Bulb Out warning light -Brake

  1. #1
    Join Date
    Jun 2008
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    Bulb Out warning light -Brake

    Perhaps someone can help? I have an intermittent "bulb out" warning light occasionally displaying. It relates to the near side brake light. I have checked the bulb and it is OK. Even so, I replaced it, and checked it was working fine. The issue is therefore not the bulb, but perhaps a connection somewhere?
    When the warning light is displayed, the brake light bulb does not work. However, the light will eventually start working again, and the warning light extinguishes.
    It is an intermittent thing.
    The bulb socket is good and tight fitting.
    Any ideas?
    MY22 Tiguan 162 Elegance
    Sound and Vision , Sunroof packages
    Fireball Graphene Butterfly ceramic coating
    Thinkware U1000 dash cams

  2. #2
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    Check the terminals for the bulb socket, and ensure you're using the correct wattage bulb.
    '07 Transporter 1.9 TDI
    '01 Beetle 2.0

  3. #3
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    Thread Starter
    Terminals are good. and 21w bulb is correct
    MY22 Tiguan 162 Elegance
    Sound and Vision , Sunroof packages
    Fireball Graphene Butterfly ceramic coating
    Thinkware U1000 dash cams

  4. #4
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    bulb is probably on the way out.

    I had bulb warnings for 3 months before the bulb went west.
    carandimage The place where Off-Topic is On-Topic
    I used to think I was anal-retentive until I started getting involved in car forums

  5. #5
    Join Date
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    Quote Originally Posted by allypally View Post
    Perhaps someone can help? I have an intermittent "bulb out" warning light occasionally displaying. It relates to the near side brake light. I have checked the bulb and it is OK. Even so, I replaced it, and checked it was working fine. The issue is therefore not the bulb, but perhaps a connection somewhere?
    When the warning light is displayed, the brake light bulb does not work. However, the light will eventually start working again, and the warning light extinguishes.
    It is an intermittent thing.
    The bulb socket is good and tight fitting.
    Any ideas?
    Did you replace bulb anyway and leave replacement in?

    If the filament on the bulb breaks, it will stop the bulb working and give the warning, but if just broken, then a jiggle can touch the filament back together again and visually looks fine, until it separates again. I just had this issue on an A3 with the reverse light. Swapped out (put LED's in) and issue fixed.

    Change the bulb out permanently to a new one.

    On my A4, I went through a brake light every 6 months or so. Different sides, and no I was not trailing the brakes. (discs lasted about 180,000km)
    2001 - A4 B6 1.8T Sedan Manual - (sold @ 254,000km)
    2008 - A3 8P 1.9tdi Sportback Manual - (sold 90,000kms)

    2013 - Octavia RS wagon - 1z - Race Blue - TDI - 6M - Leather - MDI - Whispbar S44W - LED interior kit - RVC forward?/retrofit - Mk3 gear shifter
    2021 - Q3 S-Line wagon - F3 - Daytona Grey - Westfalia towbar - no other options available.

  6. #6
    Join Date
    Jun 2008
    Location
    Wollongong, Oz
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    Thread Starter
    It is not the bulb. Have replaced it, and swapped it over to the good side. Still an issue.
    MY22 Tiguan 162 Elegance
    Sound and Vision , Sunroof packages
    Fireball Graphene Butterfly ceramic coating
    Thinkware U1000 dash cams

  7. #7
    Hey love to help. Check if any water has entered the glode holder. It will probly be the holder itself. Give it a go.

  8. #8
    Join Date
    Aug 2008
    Location
    South Australia
    Posts
    33

    I had this same problem for just on 12 months, every second day the warning light comes on and the later it goes of. Checked the globe numerous times, finally it went and I changed bulb all was good till 2 months later the other one went. Then a week later one headlight went, so fixed that and 2 days later the other went. Now all is good again.

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