How do I know if my door lock actuator is bad?

With that in mind, the most common symptoms of a faulty door lock actuator include:

1. Power Door Lock Doesn’t Work.
2. Power Door Lock Operates Erratically.
3. Strange Noises When Operating the Power Lock.
4. Sluggish Operation From the Door Lock.

Where is the door lock actuator located?

Locate the lock actuator. It is bolted to the inside of the door frame by the door latch. Remove the electrical plug that supplies power to the actuator. It should come out by hand.

Do door lock actuators go bad?

The door lock actuator can go bad over time because it is used on a regular basis. The motor can fail, or different parts in the motor can go bad. As soon as you notice something is not right with the locks, contact a professional mechanic to have your door lock actuator replaced.

How do you test a door lock actuator?

Door lock systems operate the actuator by toggling positive/negative voltage to the actuator. Unplug the door lock actuator electrical connector. Then use your test light or digital meter to check for power and ground at the connector when you operate the lock/unlock switch.

Can a door lock actuator be repaired?

In most cases, the problem with a door lock actuator is limited to only one door. In some vehicles, the cable that connects the door lock actuator to the inner door handle may be built into the actuator assembly. If this cable breaks and it’s not sold separately, the whole door lock actuator may need to be replaced.

Can a bad door lock actuator drain battery?

The door lock actuator has a battery drain. The battery runs down when the interior lights stay on longer than normal. It’s a bad actuator if it doesn’t work 100 percent of the time.

What causes power door locks to stop working?

There are many issues that can cause your power locks to stop working: Your key fob is faulty or has a dead battery. Many people stress about the functionality of their doors not realizing the only issue was the key fob. A fuse has been blown.

What causes door lock actuator failure?

It could be a main door lock switch, broken door wiring harness, bad connector, failed control module or simply a blown fuse.