In order to replace the actuator follow these steps.
Single door power locks not working.
Another symptom of a potential problem with the door lock actuators are power door locks that do not function.
The most likely cause of your problem is the master switch in the drivers door.
Go to a dealer and they will.
Usual cause the power door locks utilize individual solenoids in each of the doors that activate the door lock mechanism.
Chances are if this is your problem you have heard a buzzing sound recently.
To diagnose this system simply disconnect the door lock switches one at a time.
The actuator motor powers the entire door locking mechanism.
If you have a single door causing you problems it is likely a bad actuator motor.
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The only part that these two have in common is the master switch.
The windows and the locks are on two separate circuits.
If a single door actuator doesn t work check the wiring harness for that actuator.
If that doesn t solve the problem you may have a faulty key fob.
Diagnose power door locks don t work properly.
If the door locks work after removing a switch replace the switch you just removed it is shorted inside.
You don t want to be kicking yourself later because you missed something so obvious.
Single door doesn t lock unlock.
The switch provides power to the door lock solenoids.
Replace the key fob.
This sound indicates the motor is going bad.
Power door locks do not function.
If the door lock actuators fail they will disable the power door lock feature from working.
Symptom summary the power door locks are all inoperative or a single door lock is inoperative.
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This will require the driver to use the key to lock or unlock the doors and can disable the power door.