schematics and diagrams: keyless remote

Key less remote not working.
There are few possibilities that can cause the problem.

In the remote there is a battery.First replace the battery and see if problem goes away.IF no,then it can be faulty remote or it can be issue with remote lost its connection with vehicles receiver or there is faulty fuse,which controls this system.

I will explain each problem as you read further:----

WHERE IS THE FUSE WHICH CONTROLS THE KEYFOB REMOTE:----

It looks like it is fed via FUSE #16 15A that is located in the Power Distribution Center. This Fuse supplies power to other components such as : cargo lamp switch, underhood lamp, courtesy lamps, cluster, radio.

The Power Distribution Center is located under the hood.

See the fuse diagram shown below:----
jeep Cherokee fuse box diagram

IF FUSE CHECKS OUT OK,THEN GIVE DETAILS FOR OTHER POSSIBILITIES:---
The very first thing to do is to check whether your remote works or not. Unfortunately there is no way to check it without using special TPM-RKE analyzer CH9936 that any Chrysler dealer should have. This is very useful analyzer that tells in a second if a remote is good or not. If remote is OK, then for some reason it could be lost from the receiver memory and needs to be programmed with a special DRB III scan tool.

If you have 2 keyfob remotes then it will be good to confirm the problem with remote or its receiver issue.
By remote I mean a key-fob. If both remote transmitters do not work, then it sounds like a Remote Keyless Entry module/receiver failure. Check all fuses to be sure it gets power/
If this fuse is blown, just replace it with the same rating 15A fuse. If it pops up again, then you have a short circuit somewhere and it needs to be diagnosed and fixed.

This all details will help.
Thanks.

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Its a recall.First inspect its not got pushed in and stuck up or itys not got cracked or broken.
By " Trunk Button"? Are you referring to your key-less remote? Or the yellow button in the glove box? First check to make sure that you have not accidentally set the valet switch to LOCK. That will disable the remote & the yellow button from working. Info on how to do that is in your owners manual.
FYI, there was a technical service bulletin on your key-less remote. Buick redesigned it [they had problems with the trunk opening accidentally] If you need a new key-less remote, the new part number is P/N 25678792.
If the solenoid for the power trunk lock has failed, the remote will not work. Assuming you can not open the trunk using the trunk key, there is one last method to get into the trunk. You must remove the rear seat assembly. Then remove any plastic or paper covering which may separate the trunk from the rear seating area. Using a good flashlight, a 3/8" drive ratchet, several extensions [totaling 3 feet in length} and the proper flex socket [most likely 8mm, 10mm or 13mm] you can remove the three bolts which hold the latch mechanism from the inside of the trunk lid. The trunk lid will then open. At this point, you can get your stuff and fix the problem with the power trunk mechanism.

This basic details will help.Thanks.

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