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  #1  
Old 02-24-2015, 06:51 PM
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headlight problem....led lights on bumper

Ok....i had the led drl harness from clstech on my 2014 when i noticed the pass lamp led characters flashing. I tried to diagnose....but nothing seemed to work. So i removed the harness and immediately started getting service adaptive headlamps. I also noticed when i get this notice...the bumper drl lights dont work. Ive even noticed them flickering and flashing. So i took to dealer and they diagnosed as the adaptive module being bad. So the new headlight came in today...got installed and still get the same service adaptive headlamps.

The DRL harness taps into 2 wires on each headlight harness.....should i replace these wires? I tried to.pinch them back together and taped over with electrical tape. Ive removed the negative on the battery to see if that clears the code. Any other advice?

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  #2  
Old 02-24-2015, 06:58 PM
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Re: headlight problem....led lights on bumper

When you replace the headlight , they need to calibrate them. I believe its a software process.

When my headlights where replaced for water intrusion I had the same issue.
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  #3  
Old 02-24-2015, 07:02 PM
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Re: headlight problem....led lights on bumper

Has the dealership hooked up the computer again to read the diagnostic code?
Where the positap connections were made, is it not just a small needle like hole in the wire?
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Old 02-24-2015, 08:16 PM
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Even one?
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  #5  
Old 02-24-2015, 08:18 PM
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Quote:
Originally Posted by CLStech View Post
Has the dealership hooked up the computer again to read the diagnostic code?
Where the positap connections were made, is it not just a small needle like hole in the wire?
No....the service adaptive lamps came in on way home.
Yes...its a small needle like hole...but they are very small wires. It seems like that would be enough to cause signal.loss pr whatever its called.
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  #6  
Old 02-24-2015, 08:38 PM
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I'd let them get the code it's throwing now to be sure.
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  #7  
Old 02-24-2015, 09:14 PM
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Quote:
Originally Posted by CLStech View Post
I'd let them get the code it's throwing now to be sure.
Everything seems to be working except the adaptive lamps turning. Hopefully its just a reprogram. Its cost me a small fortune.
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  #8  
Old 02-24-2015, 11:29 PM
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Quote:
Originally Posted by Scottina06 View Post

Everything seems to be working except the adaptive lamps turning. Hopefully its just a reprogram. Its cost me a small fortune.
You had to pay? Not warrantied?

Hopefully someone else will comment, but that small pin hole in the wire would not cause an issue.
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Old 02-24-2015, 11:46 PM
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Re: headlight problem....led lights on bumper

yep...they noticed the damage to the wiring on both lamps and ask me how it happened. Karma is a bitch...so I don't lie.

Thye want to replace the wires on both harnesses if this don't work. That's why I asked.
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  #10  
Old 02-24-2015, 11:54 PM
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Quote:
Originally Posted by Scottina06 View Post
yep...they noticed the damage to the wiring on both lamps and ask me how it happened. Karma is a bitch...so I don't lie.

Thye want to replace the wires on both harnesses if this don't work. That's why I asked.
Understood, sorry for the troubles. Keep me posted.
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  #11  
Old 02-25-2015, 12:13 AM
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Hey Guys - I have same harness and noticed my adaptive headlamps (we are talking auto brights, yes?) no longer work. Thats why I logged on tonight. I Haven't noticed or checked for some of the other issues Scott has, but getting ready to leave at dealership for a laundry list of items (mostly minor, but side question - do either of you get a strange smell only during full acceleration) so wondering if prudent to remove harness?

I did check Settings>Lights>Adaptive brights was on. Was going to reset by holding down volume & Tune knobs but hate to loose my 4.2 0-60 run. (Yes- I could upload or download).

Just thought I would drop in on this. Will follow thread. Thanks fellas.
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Old 02-25-2015, 12:21 AM
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Re: headlight problem....led lights on bumper

I first noticed some flashing on right side and the LED character inside the headlamps was flashing and then was off. So I removed the harness. Then I noticed the led drl bumper lights doing all sorts of craziness....off on...flashing etc. Finally I got a "service adaptive headlamps" on the dash. Adaptive headlamps is the self leveling and turning left to right of the lamps. I noticed when I would get this warning....the bumper led drls would not be on at all.

adaptive headlamps have nothing to do with the auto brights/dimming. That has worked the entire time for me.
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