check fuse Im serious it happened to me
May be a BCM glitch or the rear trunk latch there is a recall from gm about the rear hatch latch
Check your rear accuator. It is a black box with a brown rod on it. It is located underneath the rear hatch paneling. Hook up 12 volts to it after its out and see if the accuator moves. Don't put the voltage on it very long either.
If the locks and rear window hatch on a 1998 Chevy Blazer lock and unlock by themselves, there is probably a problem with the fuse or a short somewhere. The locks are supposed to lock when the vehicle gets put in gear. Perhaps the system that tells the locks when to lock is not working properly.
To disable the rear hatch lock on a 2005 PT Cruiser, you can start by checking the vehicle's manual for specific instructions. Generally, you can try removing the rear hatch trim panel to access the locking mechanism and disconnecting the wiring harness that controls the lock. If the lock still seems to unlock by itself, consider inspecting the fuse related to the hatch lock system or consulting a professional for further diagnosis.
If its like my 2003 Expy, the relay for the rear wiper motor also controls the rear hatch lock
You open the back hatch door and pull the panel away from the latch and push down on the lever to the lock the lock will then pop open and you can shut the hatch
By taking your key and sticking it into the lock near the hatch an turning.
Isn't there a key lock that releases it?
If the bottom doors unlock but the top hatch stays locked remove the paneling from inside the vehicle on the back doors. check through the wire near where the hatch meets the frame at the top of the van. Its likely that the wires have been cut through do to bending.
To remove the inside rear hatch panel of a 1998 Cherokee Sport with the door closed, you’ll need to carefully pry off the plastic trim pieces surrounding the panel. Use a flat tool or a trim removal tool to avoid damaging the clips. Once the trim is off, look for screws securing the panel and remove them. After detaching the panel from the clips, gently pull it away to access the lock mechanism.
The lock actuator is in the rear door, the panel will need to be removed. When the panel is removed you will see the actuator bolted to the door frame. Not to hard to replace.
To remove the rear hatch door panel in order to fix the lock on a Subaru Outback you will need a Phillips-head screwdriver, small flat screwdriver, trim pry tool, and tack puller. Using these items you need to remove the push clips and pry the trim from the hatch.