Power Door Lock Will Not Work

Here are some common reasons the actuator wears out and how much it costs to replace one.

Power door lock will not work.

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. 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. Diagnose power door locks don t work properly part 2 by reiner continued from part 1 power door lock repair tips tricks. The actuator consists of a motor gears and a cable that extends or retracts to lock and unlock the doors.

Inspect the fuse that protects the door lock circuit to ensure it is not blown. Power door locks can break down over time because of a worn out actuator. The most likely cause of your problem is the master switch in the drivers door. In some cars a door lock actuator becomes noisy and produces a squeaking or buzzing noise when the power door locks are locked or unlocked.

If your power locks work intermittently via the key fab or controls inside this will 100 fix your iss. And although you expect things like your power door locks to work without fail that isn t always the case. The only part that these two have in common is the master switch. The windows and the locks are on two separate circuits.

Go to a dealer and they will. Here s a power door lock wiring diagram for a 2009 chevrolet malibu. Apart from what has been stated in part 1 diagnosing problems with power door locks is not always a straightforward affair but one way to avoid confusion and misdiagnoses is to approach the problem logically. If all of the door locks are inoperative start your diagnosis at the fuse box.

If the door lock actuator doesn t work with any method then the problem can be the door lock. There are several ways to find out if you have a bad power door lock actuator. An inoperative power door lock can be caused by the switch solenoid wiring problem or mechanical problem within the linkage of the affected door. That s where most wire breaks occur.

7 fixes to try if your car s power door locks won t work 1. Power door locks that do not function are another common symptom for a problem with the door lock relay. Here s how a body control module power door lock system works. For vehicles equipped with door lock cylinders the door can still be opened using the key.

However vehicles without door lock cylinders will not be able to lock or unlock the doors until power is restored. You don t want to be kicking yourself later because you missed something so obvious. Is your power door lock actuator bad. If that doesn t solve the problem you may have a faulty key fob.

First find out if the door lock actuator works in any mode i e. Replace the key fob.