Usual cause the power door locks utilize individual solenoids in each of the doors that activate the door lock mechanism.
Power lock wont work one door.
When the actuator gets the signal from the power door lock switch a small motor turns the gears.
The power lock works on the driver door it just doesn t trigger the lock on the driver door but it does lock unlock all the other doors.
The actuator is a series of gears with a set of rack and pinion gears at the end.
I hear that the foil fix works very well or you could buy a new power actuator.
The power door lock actuator is the part of the power door lock system that actually controls the locks.
Symptom summary the power door locks are all inoperative or a single door lock is inoperative.
Malfunctioning power door lock actuator.
Actuator usually to blame for broken power locks.
If it does there s probably a broken or partially broken wire in the hinge area.
In most cases the problem with a door lock actuator is limited to only one door.
And although you expect things like your power door locks to work without fail that isn t always the case.
Inside each of your car s doors is a hard working motor that locks and unlocks them with each push of a button.
Remove a door panel for a dodge ram fix a power door lock window or speaker this video explains it all in detail.
If the key works in it and the other front door a previous owner may have replaced the driver s door key cylinder but not have paid to have it keyed to the other locks.
The drivers door lock switch is the most used so it stands to reason that it would fail first.
The power windows switch also works on the driver side.
Power door locks can break down over time because of a worn out actuator.
The switch provides power to the door lock solenoids.
Don t waste your time changing the power.
In some cars a failed door lock actuator may lock but wonâ t unlock or the other way around.
If the electric motor or the mechanism inside the door lock actuator wears out the door lock may lock or unlock slowly or work sometimes but not all the time.