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Door locks will not operate correctly?

Tiny
JLOFARO
  • MEMBER
  • 2014 JEEP GRAND CHEROKEE
  • 5.7L
  • V8
  • 4WD
  • AUTOMATIC
  • 105,000 MILES
When I use the proximity unlock from the driver's side or when I use the door switch, only the driver's side lock unlocks. However, from the passenger side or key fob, all four locks unlock. So when I enter the car with my family, I either have to reach across and unlock the doors or remember to use the fob. Ideas?
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Monday, August 3rd, 2020 AT 10:14 AM

36 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good afternoon,

I attached a wiring diagram for you to view. The door module may be the issue but it needs to be confirmed.

You need a scan tool that can read the door module to verify the signal from the switch is being sent to the module. Then the module sends a signal to the body control module to work the other locks on command.

You can check the fuse I listed but the real check needs to be done with an advanced scan tool.

Roy
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Monday, August 3rd, 2020 AT 10:38 AM
Tiny
JLOFARO
  • MEMBER
  • 3 POSTS
Can you recommend a good scan tool?
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Monday, August 3rd, 2020 AT 10:41 AM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Snap on Apollo. Top of the line for scan tools and does everything. Very pricey but worth it.

It would be worth having a shop check it for you and at least diagnose the issue.

Roy
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Monday, August 3rd, 2020 AT 10:55 AM
Tiny
JLOFARO
  • MEMBER
  • 3 POSTS
Thank you for this info ASEMASTER6371, the Snap on tool is a little rich for the use I would have for it. I am guessing a $500.00 to $1,000.00 OBDII reader will not help with this, like the Autel. I appreciate the info. Stay safe.
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Monday, August 3rd, 2020 AT 11:52 AM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
No, it will not. It is not as advanced as it needs to for this information.

You are welcome.

Always glad to help.

Roy
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Monday, August 3rd, 2020 AT 12:01 PM
Tiny
MANDY MCCALL
  • MEMBER
  • 3 POSTS
  • 2005 JEEP GRAND CHEROKEE
  • 65,000 MILES
The horn has been randomly going off on. Also, noticed out headlights flicker on and off but when I put it on high beam then back on low they do fine. We changed the horn relay which was fine, then the totally integrated control module which was not. Checked all the wires we could see and find no issues. Not sure where to go from here. Oh and now my windshield wipers turn on when starting and cutting off the vehicle. Also, power locks and windows do not work.
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Saturday, August 29th, 2020 AT 12:37 PM (Merged)
Tiny
STEVE W.
  • MECHANIC
  • 13,443 POSTS
Did you use a new TIPM or a used one?
Have you tested the front control module, it is bolted to the front of the TIPM. It controls most of the items you're having problems with. Also, check the grounds next to them. If they fail you get various problems as the control voltages start fluctuating.

The other issue could be odd data on the CAN buss. That takes a break out box and analyzer to look at.
I would take a look at the data on the buss and off a good scan tool and see what is being commanded to do what.

Also check the actual power distribution center, they fail a lot as well.
Hard to do much of that testing without a scan tool that let's you watch or command the various modules though.
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Saturday, August 29th, 2020 AT 12:37 PM (Merged)
Tiny
MANDY MCCALL
  • MEMBER
  • 3 POSTS
Thank you Steve for your reply! The TIPM was from eBay so used. I have to say before we put that one in all that was wrong was the horn and lights flickering then once we put in the new used TIPM the vehicle would not start. So we put the old on in and it started right up only to notice the windshield wipers went off on start and shut off of the motor. Also all of the sudden the power windows and locks stopped working as well. We have checked the ground wires but honestly not sure we could be missing something. I think we will invest in a scan tool right now that looks cheaper then some possible fixes on this thing!
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Saturday, August 29th, 2020 AT 12:37 PM (Merged)
Tiny
STEVE W.
  • MECHANIC
  • 13,443 POSTS
Do not rush into buying a scan tool until you decide how far you want to go in DIY repairs. The tool needs to be able to view live data and watch as items are controlled, most of the lower priced ones don't do that very well.
Get a copy of the factory service manual. There is a copy online free at allcarmanuals (only Jeep they have!) It has a lot of tests you can do with simpler tools and gives you an idea of what else you need.

Plus you can always ask here.
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Saturday, August 29th, 2020 AT 12:37 PM (Merged)
Tiny
MANDY MCCALL
  • MEMBER
  • 3 POSTS
Will do thanks!
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Saturday, August 29th, 2020 AT 12:37 PM (Merged)
Tiny
DADDYRIO
  • MEMBER
  • 1 POST
  • 2004 JEEP GRAND CHEROKEE
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 182,500 MILES
Interior lights stay on while driving and the driver door is the only one that locks automatically. I have to cut lights off with dimmer switch and then there are no lights on the panel to see speedometer at night.
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Saturday, August 29th, 2020 AT 12:37 PM (Merged)
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,513 POSTS
Hello,

It sounds like you have a fuse #15 fuse that is out and needs to be checked. Here is a guide to help you get the job done:

https://www.2carpros.com/articles/how-to-check-a-car-fuse

Here is the location (below).

Please let us know what you find.

Cheers, Ken
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Saturday, August 29th, 2020 AT 12:37 PM (Merged)
Tiny
BILL BROWN2
  • MEMBER
  • 1 POST
Seem to have the same exact problem.
Just started this morning when I went out to go to work. Will check the fuse this afternoon after work. Hopefully is a simple fix.
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Saturday, August 29th, 2020 AT 12:37 PM (Merged)
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,513 POSTS
Let me know on the fuse because you could have a TIPM going out which I can help you fix.
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Saturday, August 29th, 2020 AT 12:37 PM (Merged)
Tiny
SROW
  • MEMBER
  • 3 POSTS
  • 2004 JEEP GRAND CHEROKEE
  • V6
  • 4WD
  • AUTOMATIC
  • 150,000 MILES
Started my car leaving the office today. Took me a while to notice my dome lights wouldn't shut off. All the lights were on, and the only way to turn them off was to turn the dial on my headlight arm to the lowest setting before shutoff. This obviously dimmed everything in the car to the minimum.

Shortly after, I realized that my automatic windows and locks were not working, and the lights on these panels were not lit up. I did not check doors beyond the driver side.

My radio was on and working fine. My car started fine. The doors lock and unlock with the fob. I drove to work this morning and did not notice this. Seemed to come out of nowhere.
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Saturday, August 29th, 2020 AT 12:37 PM (Merged)
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,513 POSTS
Hello,

It sounds like the drivers door module is out which is common. Here are diagrams below to help you fix it. I does not say you will need to have it programmed so it should self initialize. If not it should cost about $130.00 to have it done at a shop. Check out the diagrams (below). Please let us know what happens. Cheers, Ken
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Saturday, August 29th, 2020 AT 12:37 PM (Merged)
Tiny
SROW
  • MEMBER
  • 3 POSTS
Thank you, Ken!

By module, you mean the entire power switch console? If so, part 5JM60DX9AB is what I found. Would hate to buy this part, for $200.00, only to find it's not the issue. But, I guess that's the name of the game.
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Saturday, August 29th, 2020 AT 12:37 PM (Merged)
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,513 POSTS
Yep, that's why the guys in the dealer have an advantage they install the parts and then put them back if they don't work. Let me know. :)
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Saturday, August 29th, 2020 AT 12:37 PM (Merged)
Tiny
SROW
  • MEMBER
  • 3 POSTS
The issue has been resolved, by simply replacing the module. I purchased an OEM part for $55.00. Removed the door panel, replaced the unit, put'er back together and everything works just fine.

Only issue is, all but two clips broke. These were likely the original clips. I will replace these in due time. For now, the panel is on there good enough.

Thank you, Ken! You saved me some money!
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Saturday, August 29th, 2020 AT 12:37 PM (Merged)
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,513 POSTS
Nice work, we are here to help, please use 2CarPros anytime.
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Saturday, August 29th, 2020 AT 12:37 PM (Merged)

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