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Headlight erratic

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Old Aug 13, 2024 | 02:41 AM
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Default Headlight erratic

Went out last night and after about 30 seconds of driving got a message on the dash that I should "check left dipped headlight" or something to that effect. The light was out.

Without stopping, I cycled through the headlight switch settings and when I got back to Auto, it came back on. Only to go out again a few minutes later. No bumps, no physical event that would loosen the bulb.

I have Bi-Xenon Headlights w/Porsche Dynamic Light System (PDLS) as part of PPP. DRLs are fine, cornering lights are fine, high beam is fine. It's just the low "dipped" beam that's misbehaving.

I stopped on my errand, thinking/hoping that when I started the car again the issue would go away, but it didn't.

Anyone have this issue?

Thanks,
Peter
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Old Aug 13, 2024 | 11:56 AM
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Quick question: when you turn the car on (in a garage or at night or something ) while the bulb is on: is it doing the auto level where it moves around ? I’m wondering if one of the motors for the leveling is going /gone bad hence the “dipped” error. Other thing is if there’s a loose connection somewhere it could do that , maybe that’s why the bulb is turning off? Other thought: maybe the ballast for the bulb (if not the bulb) needs to be changed.
so many possibilities.
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Old Aug 13, 2024 | 02:59 PM
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Originally Posted by doctj
Quick question: when you turn the car on (in a garage or at night or something ) while the bulb is on: is it doing the auto level where it moves around ? I’m wondering if one of the motors for the leveling is going /gone bad hence the “dipped” error. Other thing is if there’s a loose connection somewhere it could do that , maybe that’s why the bulb is turning off? Other thought: maybe the ballast for the bulb (if not the bulb) needs to be changed.
so many possibilities.
Yes, it's auto leveling.
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Old Aug 13, 2024 | 09:32 PM
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Originally Posted by doctj
Quick question: when you turn the car on (in a garage or at night or something ) while the bulb is on: is it doing the auto level where it moves around ? I’m wondering if one of the motors for the leveling is going /gone bad hence the “dipped” error. Other thing is if there’s a loose connection somewhere it could do that , maybe that’s why the bulb is turning off? Other thought: maybe the ballast for the bulb (if not the bulb) needs to be changed.
so many possibilities.
I think "dipped" is Porschese for low beam.
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Old Aug 13, 2024 | 09:49 PM
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Or a Dairy Queen @DHL I'm sure you're correct.

Last edited by Penstamin; Aug 13, 2024 at 09:50 PM.
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Old Aug 16, 2024 | 08:16 PM
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Here’s the current status. Of course, I went out last night and the light did not turn off at all. Worked perfectly. This is the first day that I’m noticing the shift in color though. Does this color shift have anything to do with whether it’s the bulb or the ballast?
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Old Aug 25, 2024 | 06:19 PM
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More likely the ballast as the "bulb" will either work or not, not partially work. GL

siberian
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Old Aug 26, 2024 | 12:42 AM
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Originally Posted by siberian
More likely the ballast as the "bulb" will either work or not, not partially work. GL

siberian
Thanks! Makes sense, and seems to be the consensus.
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