Power Lock Motor: Description
WARNING: This page is about a different car, the 2005 Jeep Grand Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
The lock mechanisms are actuated by a reversible electric motor mounted within each door. The power lock motors are integral to the door latch units.
The power lock motors cannot be adjusted or repaired and, if faulty or damaged, the door latch unit must be replaced.