Passenger Door Lock Stopped Working

The key fob is faulty.

Passenger door lock stopped working.

Attach the plastic door lock actuator back onto the. If there is a problem within the car s ecm computer that s causing your door locks to fail a check engine light will usually illuminate on the dash. If one door doesnâ t work but. The key fob battery is dead.

If the battery isnâ t the problem the issue may be with the fob itself. If you go to your car. You will then need to scan the ecm with a handheld scanner to read the code. The switch provides power to the door lock solenoids.

A fuse is blown. Here are the common scenarios and associated problems. When one door has the locking issue it is likely an issue within the door. To lock the doors the switch provides voltage to the two terminals of the solenoid.

Press the unlock button if the alarm on the car does sound. One door lock is not working. Be it the switch for that side latch or actuator. Reinstall the plastic cover and replace the assembly.

To unlock the doors the switch reverses the polarity of the voltage applied to the solenoid. If you only press the button once the driver s door is the only one to unlock. Assuming it s the front passenger s side door we know that the smart entrance control unit and fuses are good because the rear locks work. Push the unlock button twice to unlock all doors on ford vehicles.

I d start by pulling the inner panel off and checking for a bad connection or cut wire. My guess is that it s either the solenoid or the wiring in the door or the wiring in the door jamb. Part 5 of 6. Reinstalling the door lock actuator step 1.

Clean and reconnect the actuator. Spray electrical cleaner onto the black electrical connector.