Leoschariot

Intermittent Stop Bulb Fault

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Hi guys

I get a message on my dash about stop bulb fault

I have narrowed this down to the high level brake light. However, when I went to change the bulb I noticed it was fine and so replaced it and the light worked again

Neck time I drove car, same fault message appeared. Light wasn't working

I have repeated the process 3 times, everytime I get the light working then it stops again.

Any ideas what the issue could be?

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it could be an earth issue, check the holder and wiring for any signs of corrosion.

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It seems that when I leave the trim off the interior if the car( on the boot), the light keeps working. Looks like must be an issue with the trim part affecting the wiring when I replace it

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Or it's a failing filament which is touching & re-fusing back together.

On my old Zafira I had this continually for about a year before the bulb finally blew properly.

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Well for the few pence it costs for a new bulb it's got to be worth a go?

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agree with the bulb, it could be coincidence.

If the new bulb fails, I suggest you look at the contact element underneath where the bulb sits, may be worth using a pair of needlenose pliers and gently pulling them up to ensure the connection is valid.

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I have exactly the same problem. Bulb checked buy are never burnt out or damaged. Replaced anyway. The fault disappears for 1 minute to 5 minutes of driving, then returns. I've checked the wiring, cleaned the contacts, and checked the high vis brake light wiring loom. Baffled. I also have the intermittent parking sensors issue and one faulty heating switch for the drivers seat. Ford S Max titanium 2.5t 2007. Please help, thanks

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