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post #1 of 5 Old 11-30-2015, 06:42 PM Thread Starter
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Power Locks Issue (Already Searched Many Threads)

Hey everyone. Before the forum police start crying, I have been searching high and low for weeks across google to find a solution to my exact problem regarding my power locks. Pick your poison, short story or long, any help is much appreciated.

Vehicle info: 2007 JKU


Short story: With both the key fob and both the driver's side and passenger's side door lock button, ALL the doors UNLOCK, but only the driver's side door will LOCK.


Long story: About 2 months ago I got a check engine code. Ran the code, said there was an output issue with my EGR valve. Cool, ordered a replacement. I never cleared the code or anything. The day the replacement part was delivered the code magically went away and has not returned. Shortly after the EGR valve code came up the power locks got funky. Not sure if its even remotely related. Anyway, all of the locks unlock properly with the key fob, the driver's side lock button, and the passenger's side door button. When I hit the lock button on all three previously mentioned locations, only the driver's side door will lock. I have to go around and manually lock the other three doors and tailgate. I checked both of the fuses for the driver's side door module and the passenger's side door module.
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post #2 of 5 Old 12-02-2015, 09:43 AM
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I don't know exactly how your rig is factory wired, so this is just a guess. That being said, this sounds like a bad relay. See if you can find a relay that controls the door locks. It should be located a short distance from the fuse on the wire coming off the door lock fuse (not the wire that runs to the battery). If you don't know how to test the relay with a meter; then simply replace it. See what happens. 2007s had the CanBus system, and you are experiencing only one of a multitude of potential electrical conflicts and the reason CJ got rid of it. Good luck!

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post #3 of 5 Old 12-02-2015, 10:22 AM
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Quote:
Originally Posted by yelorubi-EVA View Post
I don't know exactly how your rig is factory wired, so this is just a guess. That being said, this sounds like a bad relay. See if you can find a relay that controls the door locks. It should be located a short distance from the fuse on the wire coming off the door lock fuse (not the wire that runs to the battery). If you don't know how to test the relay with a meter; then simply replace it. See what happens. 2007s had the CanBus system, and you are experiencing only one of a multitude of potential electrical conflicts and the reason CJ got rid of it. Good luck!
The door lock relays are soldered to the pc board inside the TIPM,(fuse box).

2008 Unlimited Rubicon Automatic
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post #4 of 5 Old 12-02-2015, 12:09 PM Thread Starter
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Any way of posting a pic? I checked the fuses inside the fuse box in front of the battery. Not sure where the relay is.
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post #5 of 5 Old 12-02-2015, 01:44 PM
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Not sure if this would be your solution , but a friends jeep had a similar issue not exact but close .
There is a connector in the console (under it) that is tied to the door locks , she had some corrosion on the terminals from a adult beverage spill months before .
It is a PIA to unplug and clean-up and to get plugged back in afterwards . But after all the time we spent finding it , it did solve the problem.
Good luck .
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