...1995 Kia Sportage Back Door/Hatch Will not unlock...

you would need to strip out the parts and test for which one is the cause

More than likely the hatch switch has failed.

Don't think there is a switch have you tried replacing batteries in key fob if they are run down maybe there not enough power to open boot

Rear hatch is locked or unlocked with a key. (if equipped) • To open the rear hatch, insert the key into the lock, turn it to the unlock position and pull up the rear hatch by pressing the handle (DOOR). You can also lock/unlock the latch (but not release it) with the central door lock system. • If unlocked, the rear hatch can be opened by pressing the handle (DOOR) and pulling the hatch up. • To close the rear hatch, lower and push down the rear hatch firmly. Make sure that the rear hatch is securely latched.

Solution: you need the valet key and there should be a way to open it from the inside -jeff ps please rate , i have had the same problem many times with my mercury villager. one thing i have found to work on more than one occasion is while it is closed, push the back hatch as if you were shutting it. hit the lock button ( either on remote or inside of van ). then push the handle out on the hatch to make sure it will catch all the way. unlock the doors and pull on the handle, the hatch should open with no problem. , if it is electronic check the fuses first. if not electric spray with WD-40 in key hole and around button

Bad power lock in door.

Check lock try spraying with WD 40.

Not sure about your car, but on my Chrysler mini van the same problem happened. The problem was not the motor but the body control module. The unit had 2 relays, but the BCM actualy controls the unit. To replace the BCM was $450. I bypassed the problem by installing an on/off switch inside the car and activated the motor by by passing the BCM at the relay. That was 3 years ago, still works great. Your BCM may be the problem. Check the schematics of the relays and try doing the same.

If you don't have the manuals, your local library has online access to most service manuals that you would have to pay for. Many time you can get access to them through their website if you have a library card. If not, go the library and get full free access to all the major car service manuals for free!

check the rear hatch electric lock. It may have a wire that came loose from shutting the door hard over time. Hope this helps, good luck.

you need the valet key and there should be a way to open it from the inside -jeff ps please rate