No exterior lights turn on all of a sudden

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dave_tang
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No exterior lights turn on all of a sudden

Post by dave_tang » Thu Nov 21, 2019 11:20 am

Up until this morning number plate lights, rear tail lights, front angel eyes and fog lights all turned on after unlocking the car (Programmed using carly app). Now all of a sudden apart from the door handle lights, they don't. They briefly turned on this morning and then went off. I have checked that the settings are still active on the Carly app and they are. Anybody had this issue before?

Any advice would be appreciated.

I've got a 2008 123D E82.

TIA.

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Re: No exterior lights turn on all of a sudden

Post by marco_polo » Thu Nov 21, 2019 11:38 am

Low battery?

The car will power-save if necessary, and there's nothing like the cold weather to show up a dying battery. Is your Stop/Start still working correctly?
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Re: No exterior lights turn on all of a sudden

Post by dave_tang » Thu Nov 21, 2019 11:43 am

I did think of that, my stop/start has never worked since i have had it and to be honest i can't stand stop/start on a car either. Should a good battery read around 12.6v when not running and then between 13.7v - 14.7v if it is?

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Re: No exterior lights turn on all of a sudden

Post by marco_polo » Thu Nov 21, 2019 11:44 am

12.6v with the lights on, not running. That's the best voltage test imo.
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Re: No exterior lights turn on all of a sudden

Post by dave_tang » Thu Nov 21, 2019 11:50 am

I'll check the voltage on my lunch break. Thanks for your advice though.

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Re: No exterior lights turn on all of a sudden

Post by dave_tang » Thu Nov 21, 2019 12:43 pm

It's showing 11.8v.

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Re: No exterior lights turn on all of a sudden

Post by marco_polo » Thu Nov 21, 2019 12:45 pm

Ah, there's your answer.

Just checked mine out of curiosity, down at 12.4V so that's not great either. :evil:
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Re: No exterior lights turn on all of a sudden

Post by stevesurrey » Thu Nov 21, 2019 3:12 pm

2008 car so could well be its original battery. Might be a date stamped on one of the poles. But looks like its new battery time (unless car been unused for a good while). Don't forget it will need registering to the car.
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Re: No exterior lights turn on all of a sudden

Post by Octavius » Thu Nov 21, 2019 4:08 pm

Same key fob used ?
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