I have a 2 door GP and when I hit the switch or use the key fob to lock the doors, only the driver side will lock. The passenger side makes the sound you hear when you lock the doors, so it's trying to lock but getting stuck somewhere or the mechanism to lock the door is failing. If I manually flip it to lock, the door is locked just fine and will also unlock like normal.
I've sprayed the rods with WD40 but that didn't change anything. What could the issue be? Do the lock mechanisms in the door actually go bad?
This isn't a big deal but if it's something I can fix easily then I'd like to fix it.
Edit: Pictures are below.
