If you seen battery voltage operated the switch and check for power coming into the control coil on either the lock or unlock relay.
Power locks dont work on one door.
But even though they re a simple concept there are still a few things that could go wrong.
To lock the doors the switch provides voltage to the two terminals of the solenoid.
The power door locks utilize individual solenoids in each of the doors that activate the door lock mechanism.
The power door locks are all inoperative or a single door lock is inoperative.
The only part that these two have in common is the master switch.
The solenoid is bad.
As a result power door locks that don t work are a little unnerving as they spell an increased security threat for your vehicle.
They keep potential thieves and burglars out of your car and make it easy for you to lock and unlock your doors in a hurry.
If that doesn t solve the problem you may have a faulty key fob.
Again if one door doesnâ t work but others do the problem could be with the door lock solenoid.
You push another button and they unlock.
Don t waste your time changing the power.
Power door locks are the most important security element of your vehicle.
7 fixes to try if your car s power door locks won t work 1.
Reconnect all wiring and operate the door lock manually with the switches in the dashboard console door panel.
You push a button and they lock.
Then check for power at each door switch.
Remove a door panel for a dodge ram fix a power door lock window or speaker this video explains it all in detail.
Power door locks are quite simple.
The windows and the locks are on two separate circuits.
Replace the key fob.
The switch provides power to the door lock solenoids.
Replacing it may require removing the car door panel.
So if your power door locks aren t working it could be due to bad wiring a bad switch or even the actuator.
Go to a dealer and they will.
The most likely cause of your problem is the master switch in the drivers door.