IS - 3rd Gen (2014-present) Discussion about the 2014+ model IS models

2014 Is350 F Checking headlight system with low beam not working

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Old Oct 30, 2022 | 01:06 AM
  #1  
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Default 2014 Is350 F Checking headlight system with low beam not working

Hey guys
My 2014 Is350 had the check headlight system sign on. Apparently, the low beam on the passenger is not working but everything works fine. Since I had the dual led light, I’m not able to replace the bulb. The thing is that the light was working perfectly the night before, it just went bad after driving for 30 minutes in a sunny weather the next day.

I want just wondering would it be possible is the headlight control unit? Cause I replaced the headlight like two years ago, and the bulb should last longer. There is no sign of condensation in the light either.
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Old Oct 31, 2022 | 08:14 AM
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If that bulb was replaced only 2 years ago it shouldn't go bad that quickly, no way. Sounds like your ballast is going bad, not the bulbs...
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Old Oct 31, 2022 | 08:47 AM
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Originally Posted by PrimeDave
If that bulb was replaced only 2 years ago it shouldn't go bad that quickly, no way. Sounds like your ballast is going bad, not the bulbs...
If they are factory LEDs, there's no ballast to worry about. LEDs do not have ballast unless they are retrofitted to replace HIDs.
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Old Oct 31, 2022 | 03:28 PM
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Originally Posted by arentz07
If they are factory LEDs, there's no ballast to worry about. LEDs do not have ballast unless they are retrofitted to replace HIDs.
Yea, I have the dual LED headlight so it wouldn’t have a ballast.
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