Automatic Door Lock Not Working

For vehicles equipped with door lock cylinders the door can still be opened using the key.

Automatic door lock not working.

Inside each of your car s doors is a hard working motor that locks and unlocks them with each push of a button. Replacing it may require removing the car door panel. Solenoid and dc motor. A top rated mobile mechanic will come to your home or office to determine the cause of the power door lock that isn t working and will then provide a detailed inspection report that includes the scope and cost of the necessary repairs.

Again if one door doesn t work but others do the problem could be with the door lock solenoid. If it works sometimes you probably have a broken wire. Power door locks do not function. This is the motor that controls the locking rod.

This will require the driver to use the key to lock or unlock the doors and can disable the power door locks completely for vehicles that do not use a traditional key such as newer luxury vehicles. Power door locks that do not function are another common symptom for a problem with the door lock relay. Symptoms of a failing door lock actuator door lock actuators are made in two styles. An inoperative power door lock can be caused by the switch solenoid wiring problem or mechanical problem within the linkage of the affected door.

Actuator usually to blame for broken power locks. If the door lock actuators fail they will disable the power door lock feature from working. If the power door lock relay fails it will cut off power to the entire power door lock system and may cause them to not function correctly. Defrost the lock to check an individual lock mechanism work the door lock manually up and down or backwards and forwards in newer vehicles while using the auto lock button at the same time.

To unlock the doors the switch reverses the polarity of the voltage applied to the solenoid. Quite often you will notice a buzzing sound from the door when you the locks are engaged. If the door lock actuator doesn t work with any method then the problem can be the door lock actuator itself the wiring or the control module. Power door locks can break down over time because of a worn out actuator.

To lock the doors the switch provides voltage to the two terminals of the solenoid. Just make sure the key is on. And although you expect things like your power door locks to work without fail that isn t always the case. If the lock isn t getting power hold the lock switch either up or down and then open and close the door repeatedly to see if the lock will work.

If the lock tries to move then the problem could be a frozen lock mechanism or a faulty solenoid. Like the power door lock switch the power door lock actuator can malfunction due to the large amount of use that it gets. Each door has its own actuator.