The switch provides power to the door lock solenoids.
Auto door locks dont work.
Usual cause the power door locks utilize individual solenoids in each of the doors that activate the door lock mechanism.
That can make your locks difficult or even impossible to work with the key.
Diagnose power door locks don t work properly.
Apart from what has been stated in part 1 diagnosing problems with power door locks is not always a straightforward affair but one way to avoid confusion and misdiagnoses is to approach the problem logically.
You have a broken wire.
Replacing it may require removing the car door panel.
Again if one door doesn t work but others do the problem could be with the door lock solenoid.
A technician can replace a bad lock cylinder open up the door to repair the broken actuator inside or just simply cut you a brand new key.
If the door lock doesn t seem to be getting power hold the door lock switch in the up or down in newer cars locked or unlocked position and slowly open and close the door a number times to see if the lock attempts to work.
The solenoid is bad.
Diagnose power door locks don t work properly part 2 by reiner continued from part 1 power door lock repair tips tricks.
Symptom summary the power door locks are all inoperative or a single door lock is inoperative.