First off, fuck Jeep.
Secondly, fuck them long and fuck them hard.
You can't get the hatch open by removing the nuts from underneath. I guess you could cut the bolts if you had a spare latch, but we had to remove the entire damn hatch from the vehicle by unbolting the hinges.
Once we got it all ripped apart, there was nothing apparently wrong with the latch, the release rod that runs from the handle was just out of adjustment. Tightened that up and it's good as new. If Jeep had the damned sense to provide a small access panel in the door trim, this would have been a 5min job. We did them one better and left the trim off for now. We'll button it back up when we know it's working flawlessly.
We also took the time to repair the driver's seat frame. It had been poorly welded at the factory. Two beads near the seat back hinge didn't include metal on both sides of the weld. That caused most every other joint to fatigue to failure in the intervening 10 yrs. I suppose they should get a cookie because it lasted as long as it did.