Back to all

Unlock the Secret (Malfunctioning Door Lock Actuator)

October 23, 2022

What a convenience power door locks are on a vehicle.  The latest don't even require you to push the button on the key fob; all you have to do is have it with you.  But sometimes there's a component of power door locks that can fail, especially when they are used several times each day.  Those are called the door lock actuators.

The actuator is an electric part that works with others (like motors and gears) to lock and unlock doors.  You can hear them work, sometimes with the little whirr of the gear or the quiet clunk of the lock finishing its cycle.  And it's good to pay attention to that sound because if it starts to sound different, it could be a signal that your lock is on the brink of failing. Another sign of a failing power door lock actuator is they start working intermittently or quickly and erratically.  The driver's door is often the first to start acting up since it's the one that usually gets the most use.

When you start to notice these signs, consider a visit to your service facility to get your vehicle checked out.  If you wait too long, you may find yourself getting locked out of your vehicle. Many vehicles do have mechanical keys available as a failsafe so you are at least able to get inside.  Some of them are hidden inside the key fob and you should know how to access them.  Check with your owner's manual or ask your service advisor.

It's extremely inconvenient to have to unlock your vehicle with the mechanical key, then get inside and unlock the other doors. It's even more inconvenient if you have passengers in the rear seats.  And that doesn't even count having to go through the same thing to lock the doors when you arrive at your destination.

There are many things that can cause power door locks to malfunction, but if it turns out to be a power lock actuator, the most common remedy is to replace it.  Some are easier for technicians to reach than others, depending on your vehicle's design.  But once your locks are working again, you might think you've found the "key" to happiness!

Tuffy Tire & Auto Service Oswego
1555 US Highway 34
Oswego, Illinois 60543
630-898-6220

More articles from Tuffy Oswego

The Vivacious Vernal Vehicle (Preparing Vehicle for Spring)

January 19, 2025

Most of us look forward to spring because the days are longer, the weather's warmer and we can finally get our vehicles into warm weather mode. Here are a few things that will breathe fresh energy into anyone's car, SUV, truck or van. First thing is a good cleaning, especially underneath. If you... More

Timing is Everything (Timing Cover Replacement)

January 12, 2025

Theres an important part in your vehicle that shields your timing belt, timing chain or cam belt from the debris and gunk that can be kicked up from the road. Its called the timing cover. Its important because the timing belt or chain is what coordinates parts of your engine called the camshaft... More

A Clean Connection (Battery Cleaning)

January 5, 2025

A clean connection is a wonderful thing. Think of a good cell phone signal or an airline connection with ample time and short distance to the next gate. Good connections are also important for your vehicles battery, and one secret to that is to make sure its periodically cleaned. If its been a w... More