Sometimes Power Locks Dont Work On One Door

If one or more power door locks fail intermittently the cause is almost always bad electrical connections.

Sometimes power locks dont work on one door. Again if one door doesn t work but others do the problem could be with the door lock solenoid. Go to a dealer and they will. 7 fixes to try if your car s power door locks won t work 1. Replace the key fob.

If you seen battery voltage operated the switch and check for power coming into the control coil on either the lock or unlock relay. The power door locks utilize individual solenoids in each of the doors that activate the door lock mechanism. Then check for power at each door switch. If that doesn t solve the problem you may have a faulty key fob.

A fuse is blown. Power door locks can break down over time because of a worn out actuator. The power door locks are all inoperative or a single door lock is inoperative. To lock the doors the switch provides voltage to the two terminals of the solenoid.

This is a cheap and easy fix. Actuator usually to blame for broken power locks. The solenoid is bad. If one door doesn t work but others do the problem could be a blown fuse.

The switch provides power to the door lock solenoids. Replacing it may require removing the car door panel. Diagnose those early power door locks start by checking the fuse. Note though that some types of intermittent failures can be extremely challenging even for professional technicians to find and repair so if an intermittent fault is suspected repeat all resistance and continuity tests on all wiring while vigorously wiggling the wiring until the fault is found and repaired.

And although you expect things like your power door locks to work without fail that isn t always the case.