How To Tell If A Door Lock Actuator Is Bad

Unusual noises coming from inside the door are one of the first symptoms of a potential problem with a power door lock actuator.

How to tell if a door lock actuator is bad.

Symptoms of a failing door lock actuator. Does it work with the door switches but not the remote key fob. If the door lock actuator doesn t work with any method then the problem can be the door lock actuator itself the wiring or the control module. Here s how it s done.

The door locks may function correctly one moment and in the next will cease to operate. One way you can narrow down the list of possible causes is by checking whether there s power to the actuator. Usually a bad or failing power door lock actuator will produce a few symptoms that can notify the driver of an issue that should be serviced. One of the symptoms is a noisy repetitive sound at the back of the glovebox center dash console section where the hvac knobs are based.

First find out if the door lock actuator works in any mode i e. When opening the door with a key it is done mechanically not electrically so you are not even using the actuator. How to diagnose if you have a bad blend door actuator. There has to be a mechanical problem in the linkage and the door panel will have to come off for that but you will have to get it open the first time somehow to get it apart.

You can verify whether power is present by using a digital multimeter dmm. There are several ways to find out if you have a bad power door lock actuator. If the door lock relay has any internal or wiring issues it can cause the door locks to function intermittently. Unusual noises coming from inside the door.

Usually a bad or failing power door lock actuator will produce a few symptoms that can notify the driver of an issue that should be serviced.