HID headlights not working properly- Please help - JeepForum.com

 
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post #1 of 9 Old 08-29-2011, 09:53 PM Thread Starter
cheef0216
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2009 WK 
 
Join Date: Aug 2009
Location: Pittsburgh,PA
Posts: 98
HID headlights not working properly- Please help

Hi everyone,

I have an 09 WK with stock HID headlights. A few weeks ago I noticed a drastic difference in my nighttime visibility. It seem like the lights are pointing straight down in front of the Jeep and the auto-leveling feature is working very little or not at all. I had it into the dealer last week as it is still under warranty and they needed to replace the seal on my tranny pan so I asked them to check out the headlights while it was in. They told me everything checked out and the lights are working as designed.

I am convinced they are not functionally properly and was curious if anyone on JF had any advice on what I can check/test before I make another appt to take it back in.

I appreciate your help in advance.

Mike


2009 WK Overland 5.7 Hemi
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post #2 of 9 Old 11-27-2011, 11:31 AM
akray87
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2008 WK 
 
Join Date: Nov 2011
Location: Erie
Posts: 2
I had the same problem with my 08. Replaced the front sensor in the front wheel well and they are working properly again. I unbolted both rods and determined the back one if moved manually with the lights on adjusted the lights up and down. The front one did not. Bought the sensor from my local Jeep dealer for 131.00 and did the job at home. No more problems.
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post #3 of 9 Old 12-20-2011, 09:39 AM
tomg2k
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Join Date: Dec 2011
Location: Westboro
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HID Headlights intermittent issues

I am experiencing the same issue described by cheef0216 and wondered if and how you solved the problem, or if others have experienced this.

The self-leveling HID headlights on my 2009 Jeep Gr Cherokee V8 (non-hemi) only intermittently have this problem of the dim lights pointing almost straight down.

The last time it happened was on a very rainy night and I wondered if the sensors were confused by the large water drops. It is downright dangerous when this happens.

My jeep dealer claims they never heard of this problem and it is difficult to troubleshoot when functioning properly.

Thanks,
Tom G.
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post #4 of 9 Old 12-21-2011, 06:29 AM
NDSU_Bison
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2014 WK 
 
Join Date: Feb 2008
Location: Fargo
Posts: 726
Where are the sensors in the wheel wells? One of my headlights does this occasionally -- mostly when it's colder outside.
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post #5 of 9 Old 12-21-2011, 10:29 AM Thread Starter
cheef0216
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2009 WK 
 
Join Date: Aug 2009
Location: Pittsburgh,PA
Posts: 98
Tom-

When I first took my GC in, the dealer said they were not able to locate a problem. A few days later, I took it back in again and asked that they look at it again. I did some research before my 2nd trip in and found there is a sensor on the rear axle that might be causing the problem. When i told the dealer they looked at me as if i was crazy and said they have never heard of such a thing.

2 days later, the dealer called me back and said they corrected the issue. Turns out it WAS the sensor on the rear axle that was bad. I am looking at my work order now from the dealer and it says they replaced " Rear Sensor Assembly- Part number 55079006AD"

Tell your dealer that you want them to take a look at/replace that part number as I would bet that is the root of your problem.

I hope this helps and let us know what the outcome is.

Mike

2009 WK Overland 5.7 Hemi
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post #6 of 9 Old 12-21-2011, 01:37 PM
tomg2k
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Mike,

Thank you. I will give you an update in a couple weeks.

Much appreciated!

Tom
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post #7 of 9 Old 12-21-2011, 03:36 PM
Burner
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2008 WK 
 
Join Date: Oct 2010
Location: Barrie
Posts: 22
When I had that happen to my 08 they had to recal the whole truck to get it working right.
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post #8 of 9 Old 12-23-2011, 10:27 AM
NDSU_Bison
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2014 WK 
 
Join Date: Feb 2008
Location: Fargo
Posts: 726
It looks like there are sensors for each axle and a control module. http://www.justanswer.com/jeep/4fs44...e-limited.html
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post #9 of 9 Old 12-23-2011, 07:35 PM
akray87
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2008 WK 
 
Join Date: Nov 2011
Location: Erie
Posts: 2
In the front right wheel well it's a small box with a four inch or so rod attached to it left of the front coil. On the rear if you look under the vehicle in front of the back right tire you'll see the same set up. There aren't any sensors on the left side of my GC. Prior to replacing the front sensor, mine would adjust all the way down. Sometimes they would also point so far up in the air I would turn off street lights when sitting at a red light. Once I replaced the sensor, when I start the vehicle the lights now bow down then go to their normal position every time I start it up.
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