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.
Mess up door lock.
Unusual noises coming from inside the door.
Check the fuses and circuit breakers especially if none of the power door locks work.
If you cannot hear the click go to the next step.
Put a key in the key hole and break it off or fill the key hole with glue.
Most power door locks operate using gears or motors that may quietly whir or make noise when they operate.
When a door ceases to lock and unlock at the press of a button it often means that the door s lock actuator has given up the ghost.
To come up with a foolproof method try various different methods on your own car.
Step 2 activate the power lock switch to its lock and unlock positions while listening for a distinctive click sound coming from the relay.
Unusual noises coming from inside the door are one of the first symptoms of a potential problem with a power door lock actuator.
This may be caused by moisture inside the lock that freezes or by an accumulation of dirt and oil over an extended period of time.
Home maintenance problems vary by the season.
I recommend trying every exterior.
The lock actuator consists of a small electric motor that drives.