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D2 - Lights Headlights, xenons, foglights. Everything outside the car that glows

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Old 8th July 2014, 09:37 AM
roboblob roboblob is offline
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Default Brake Bulb Out Warning

I have a weird one , as well as a weird fault

Last night I started the car, all was good until I pressed the brake pedal , up came the brake bulb out warning ( yellow with pads around a bulb) so I used my walking stick to press the brake while I checked which one was out, to my surprise all of them were ok, including the 4 in the high level.
Has anyone had a similar issue before ?

I am wondering if one of them is ready for failing and is giving a different resistance reading to the other one, but from looking at the light given they both look the same .

I have ordered a new pair just to rule them out.
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Old 8th July 2014, 09:50 AM
HPsauce HPsauce is offline
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Sometimes filaments can fail then fuse back together temporarily.
I'd just swap the main bulbs over and see if that triggers anything; not sure the high-level light is part of the monitoring.

Any petrol station "ought" to have standard bulbs on the accessory shelf; last time (and it was long ago) that warning came on for me I happened to be in Inverness and bought a new bulb for not a lot at a garage on the Milburn Road.
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Last edited by HPsauce; 8th July 2014 at 09:55 AM.
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Old 8th July 2014, 02:16 PM
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ScottD3 ScottD3 is offline
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Could be the connection itself where the bulb is mounted.
check that and the plug in to the light unit.

pretty much anything around the light area to give a dodgy reading.
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Old 9th July 2014, 01:28 PM
roboblob roboblob is offline
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Got a few days off so will delve into the lights to see whats what
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Old 31st July 2014, 02:31 PM
roboblob roboblob is offline
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anyone know where the bulb monitoring relay is?

its doing it with both my brake lights and headlights , I didn't notice that until I had to use them last night to go get wife from the games.
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Old 31st July 2014, 03:55 PM
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Check your brake fluid level in the reservoir. Pretty sure that light comes on when it's low. If your pads are very, very warn, and the fluid level is on the limit, may be enough to trigger the light when you depress the pedal.

Zip
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