Skip the auto shop - Our mechanics make house calls

Symptoms of a Bad or Failing Door Lock Actuator

door lock actuator

Bad or Failing Door Lock Actuator Inspection

by a top-rated mechanic at your home or office

Door lock actuators are an electronic component found on vehicles equipped with power door locks. They are the electronically controlled actuators in every single door that are responsible for locking and unlocking the power door locks when the switches are pressed. When they fail or have issues, they can disable the power door lock feature, which can be a major inconvenience to the driver. 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.

HAVE SYMPTOMS OF CAR TROUBLE?
Get an $80 diagnostic
by a top-rated mechanic at your home or office.

Get a quote · Book an Appointment · Our expert mechanics come to you.

1. Unusual noises coming from inside the door

Unusual noises coming from inside the door are one of the first symptoms of a potential problem with a power door lock actuator. Most power door locks operate using gears or motors that may quietly whir, or make noise when they operate. Those noises are normal. However, if the noise suddenly becomes louder or more pronounced, then this may be an indicator that the gears or motor are becoming worn out. The noises may get louder until the actuators eventually fail.

2. Power door locks behave erratically

Another symptom of a potential problem with the power door lock actuators are door locks that behave erratically. If the actuators have any sort of internal or wiring issue, it may cause them to rapidly lock and unlock unexpectedly, or cause them to function intermittently.

HAVE SYMPTOMS OF CAR TROUBLE?
Get your car fixed at your home or office.

Get a quote · Book an Appointment · Our expert mechanics come to you.

3. Power door locks do not function

Another symptom of a potential problem with the door lock actuators are power door locks that do not function. If the door lock actuators fail, they will disable the power door lock feature from working. This will require the driver to use the key to lock or unlock the doors, and can disable the power door locks completely for vehicles that do not use a traditional key, such as newer luxury vehicles.

The power door lock actuators are a simple component, but are critical to the operation of the power door locks - which are among the most commonly used features of any vehicle. For this reason, if you suspect that one or more of your power door lock actuators may be having an issue, have the vehicle inspected by a professional technician, such as one from YourMechanic to determine if you need a door lock actuator replacement.

The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details
Still not sure about your car's issue?
Diagnose your car
What kind of issue are you experiencing?
Brakes are squeaking
Car is not starting
Car is overheating
Car is shaking (vibrating)
Fluids are leaking
Heating and A/C
Smoke or steam is coming out of the car
Warning light is on
Icon-warranty_badge-02

Skip the repair shop, our top-rated mechanics come to you.

At your home or office

Choose from 600+ repair, maintenance & diagnostic services. Our top-rated mechanics bring all parts & tools to your location.

Fair & transparent pricing

See labor & parts costs upfront, so you can book with confidence.

12-month, 12,000-mile warranty

Our services are backed by a 12-month, 12,000-mile warranty for your peace of mind.

Get A Quote

Need Help With Your Car?

Our certified mobile mechanics make house calls in over 2,000 U.S. cities. Fast, free online quotes for your car repair.

GET A QUOTE

More related articles

Auto Safety Tips
Driving is more than a way to get from point A to point B. Owning and driving a car can also be a highly enjoyable experience. Whether a person is driving...
P0477 OBD-II Trouble Code: Exhaust Pressure Control Valve Low
P0477 code means that the PCM has detected an abnormally low voltage reading often due to the exhaust back pressure control valve circuit.
P0608 OBD-II Trouble Code: Control Module VSS Output "A" Malfunction
P0608 means there is an malfunction in the vehicle speed sensor A control module often due too faulty speed sensor or shorted electrical wiring.


Related questions

Q: How do I disable the automatic door unlock?

Your car may have an automatic door unlock feature. With this feature, opening the driver’s door from the inside will automatically unlock all of the doors. This will only happen if your vehicle is in PARK (if you have an...

Q: Hi. My car sounds like someone gurgling water when driving up a hill. What could be the cause? &cracking sound when turning wheels

The "cracking" sound you mention when doing sharp, low-speed turns is likely a constant velocity joint on one or both of the front axles. These joint transfer power from the engine to the wheels. The joints are somewhat sensitive to...

Q: Door, trunk, window switches broken

Hello! That is an issue that many owners of your specific vehicle have faced. The issue is caused by the harness in the door being a little to short and when you open the door it literally pulls the wires...