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Check Headlight Leveling System Error

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Old Jun 7, 2021 | 09:51 AM
  #1  
2JZSHOTTAZ's Avatar
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Exclamation Check Headlight Leveling System Error

Hey Everyone, I recently replaced both headlights and I am now getting this error on the dash. Has anyone got this error before?
Both headlights are not auto leveling, and it worked before I replaced them.
Also included a pic of the harness and headlight. I have a new harness I can try out, but not sure how to plug in the wires at the bottom of the headlight. Anyone do that before?
Also, the car is a 2013 GS350. Thanks




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Old Jun 7, 2021 | 09:59 AM
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I believe all 4GS's come with auto leveling as standard. Is the car lowered at all? I've see instances on various clublexus subforums where the system will throw that warning if there is enough of a height difference between the front and rear.

A few threads that might help:
https://www.clublexus.com/forums/gs-...ng-system.html
https://www.clublexus.com/forums/gs-...eadlights.html

Per the second thread, this problem may happen if you attempt to install triple LED headlamps without the correct headlamp swivel/ECU.
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Old Jun 7, 2021 | 10:03 AM
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Originally Posted by AJLex19
Is the car lowered at all? I've see instances on various clublexus subforums where the system will throw that warning if there is enough of a height difference between the front and rear.

A few threads that might help:
https://www.clublexus.com/forums/gs-...ng-system.html
https://www.clublexus.com/forums/gs-...eadlights.html

Per the second thread, this problem may happen if you attempt to install triple LED headlamps without the correct headlamp swivel/ECU.
No, car is stock height and the lights are not the LED ones.
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Old Nov 19, 2022 | 07:35 AM
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Originally Posted by 2JZSHOTTAZ
No, car is stock height and the lights are not the LED ones.
hey did you ever find the issue or a fix for this? I just got this after i replaced the driver side headlight never had an issue before but my vehicle is lowered.
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Old Nov 19, 2022 | 09:17 AM
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Originally Posted by GhoStOB504
hey did you ever find the issue or a fix for this? I just got this after i replaced the driver side headlight never had an issue before but my vehicle is lowered.
It's possible you may just need to re-pair and initialize the leveling control unit (on the bottom of the headlamp) with the main body control unit through Techstream.

The drivers side is the main one of the two and per some of the literature I read, it needs to go through that process if replaced. Did you replace the headlight control unit when you swapped the headlamp or reuse it?
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