In addition you may hear a loud buzzing noise during the lock unlock operation.
Sliding door lock not working.
Chrysler has issued a service bulletin 23 017 20 group.
What if my patio door won t lock.
Replacement lock if needed.
The problem appears when either one or both of the sliding door locks do not work to lock or unlock the doors.
Because sliding patio doors are used a lot it s common for their locks to occasionally jam or break.
While you might need to completely replace your lock it s possible you just need to replace the latch.
Be sure there is no buildup or object keeping the lock.
Immerse the lock in kerosene or penetrating lubricant for 24 hours.
Open the patio door very slightly and turn the lock.
These locks are important for keeping your patio doors secure so it s important that you replace yours promptly if it s not working.
To check where on the dooe where it can stick is where it latches when u close the door spray the linkage with wd40 to loosen it up hope this help s u.
Check the plate where the lock catches in the door frame.
If the lock is attached to the hasp of a garage gate or other structure this will mean wiring a metal can full.