Automatic Headlight Leveling System - Page 2 -
Sign Up   Today's Posts
User: Pass: Remember?
Advertise Here
Jeep Home Jeep Forum Jeep Classifieds Jeep Registry JeepSpace Jeep Reviews Jeep Gallery Jeep Clubs Jeep Groups Jeep Videos Jeep Events Jeep Articles
Go Back > Models > Jeep Grand Cherokee & Commander Forums > WK Grand Cherokee & XK Commander Forum > Automatic Headlight Leveling System

Introducing MONSTALINER™ UV Permanent DIY Roll On Bed Line~Artec JK 1 TON SWAP~Advance Adapters SYE Kits

Unread 12-18-2013, 06:18 PM   #16
Registered User
2008 WK 
Join Date: Mar 2013
Location: Battle Creek, Michigan
Posts: 17
Thanks for the comment.

I read on another Forum, a suggestion to disconnect the battery for ten minutes or more. I tried that and it seemed to work, but the next day the lights are still low.....I can drive with the high beams on , no one notices.
I dread taking it to any Dealer with the question " Do you have any experience working on HID lighting systems and automatic headlight leveling?"

2008 WK Grand Cherokee Overland
Stock Stuff...HEMI,Skid Plates, Quadra-Drive II, HID's
replaces my '96 ZJ with 156,000 miles (I'm Keepin' it though)
will tow the new one behind the Motorhome.
michiganmike is offline   Reply With Quote Quick reply to this message
Unread 03-05-2014, 11:06 PM   #17
Registered User
2008 WK 
Join Date: Jul 2011
Location: Colby, Wisconsin
Posts: 26
So my Jeep is doing the same thing, where the headlights are pointing down. If I go in the front of my driveway, which from all the snow, sits about a foot higher than the road. It can sort itself out, due to the angle of the Jeep.

Assuming it's the module, that sits underneath the passenger headlight, that's causing this issue. Can I just order this part #55079008AG, and it should start working correctly?

Edit: I disconnected the negative cable from the battery, and installed the module, that I linked to above. After putting everything back together, started it up, and everything is working just fine now. Headlights seem to be aiming correctly now. Now I'm not sure if I could have just unhooked the battery, to see if that could have reset it that way. Either way it's working now, so I'm happy.

Last edited by SilentDrifter; 03-16-2014 at 08:51 PM..
SilentDrifter is offline   Reply With Quote Quick reply to this message
Unread 04-13-2014, 02:40 PM   #18
Registered User
Join Date: Dec 2009
Location: Wisconsin
Posts: 31
Originally Posted by tfgnt16 View Post
What I did was disable the system altogether. They key is disconnecting the AHLM control unit from the bottom of the passenger's side headlight housing; you'll have to remove the grill and lower the front fascia a bit to get the headlight out. Make sure you disconnect the battery, working with HIDs and any module that interfaces with the CAN bus shouldn't have any power going to them. Once you remove the headlight assembly, flip it over and you'll find a metal cover about 4 inches by 3 inches on the bottom. Remove the screws and the metal cover, then lift the control module out of it's housing, taking note of the rubber sealing grommet that water seals the bottom of the headlight assembly. Disconnect the wiring harness from the module, and throw some heat wrap or electrical tape around it. Put the module back in place making sure the seal is in properly and put everything back together. Align the headlights using the white manual adjustment screw at the top of the housing and you're all set. Now you have a "normal" set of headlights without the auto leveling.

Just so everyone knows, I've been running this way for two weeks and haven't had any codes or any other behavior from having the AHLM disconnected. I realize this isn't a fix, but at least my headlights shine straight ahead and aren't blinding drivers in front of me, or pointing down at the ground five feet away. Come warmer weather I'll probably reconnect the AHLM and have the dealer swap out the system since I'm still under warranty. Considering the snow has come, I'd like to keep the Challenger in the garage for the rest of the season, leaving me with nothing but the Jeep for a DD.

I'm considering following the above procedure on my 2008 GC Overland and was wondering if after manually adjusting the low beams, did you still have properly functioning high beams?

08 GC Overland CRD, GDE HT, AFE AF
05 Liberty Limited CRD, RC1, Provent, SAMCO, AEM
03 Jetta Wagon TDI, RC5, upgraded: turbo, IC, MAS & MAP, IP, injectors, IM, ARP headbolts, CAI, DD clutch, 3" DP direct to Magnaflow with 3" side exit exhaust.
brew1 is offline   Reply With Quote Quick reply to this message
Unread 04-13-2014, 05:15 PM   #19
Registered User
2008 WK 
Join Date: Mar 2014
Location: Kitchener, Ontario
Posts: 53
The headlights on my 08 WL Limited CRD were pointed at the ground too. I found the adjusters for aiming (on mine an allen key on top of each headlight assembly). Found a nice level parking lot with a convenient wall and reaimed the headlights. No problems since. High beams working properly too.
2008 WK Grand Cherokee Limited 3.0L CRD TurboDiesel, QDII, Stock 245/60R18
08CanuckCRD is offline   Reply With Quote Quick reply to this message

Quick Reply

Register Now

In order to be able to post messages on the forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.
User Name:
Please enter a password for your user account. Note that passwords are case-sensitive.
Confirm Password:
Email Address
Please enter a valid e-mail address for yourself.
Note: All free e-mails have been banned due to mis-use. (Yahoo, Gmail, Hotmail, etc.)
Don't have a non-free e-mail address? Click here for a solution: Manual Account Creation
Email Address:


Human Verification

In order to verify that you are a human and not a spam bot, please enter the answer into the following box below based on the instructions contained in the graphic.

Thread Tools

Jeep, Wrangler, Cherokee, Grand Cherokee, and other models are copyrighted and trademarked to Jeep/Chrysler Corporation. is not in any way associated with Jeep or the Chrysler Corp.