Unscrew the metal cover plate that covers the latch mechanism near the upper rear corner of the door body.
How to fix a jeep wrangler door lock.
That is also showing a fix for an issue for the door latch and not the door lock.
My passenger door locks and unlocks from the drivers side the fob and the proximity from the other door.
Unscrew the chrome trim panel with a philips screwdriver.
It will not lock or unlock from the passenger side button or proximity.
Once removed i decided to document the mech.
I had to cut the door striker to remove the door and latch.
Gently pull back the plastic moisture barrier that covers the square ish hole by the latch.
Any resolution for this.
Jeep wrangler owners have reported 3 problems related to power door locks not working under the electrical system category.
If necessary use a razor blade to separate the plastic from the door body.
Sound like the same issue you have.
Also please check out the statistics and reliability analysis of jeep wrangler based on all problems reported for the wrangler.
Recently my jeep tj wrangler door latch jammed stuck.