Power Door Lock Not Unlocking

Diagnosis if all of the door locks are inoperative start your diagnosis at the fuse box.

Power door lock not unlocking.

Unplug the door lock connectors and inspect to make sure nothing stands out. Follow lead wire to the door lock actuator. The body controller is a computer in your car. Pop the window and door lock switch panel off the door handle.

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. If that doesn t solve the problem you may have a faulty key fob. By a signal from a control center in some cars that have power door locks the lock unlock switch actually sends power to the actuators that unlock the door. When a door ceases to lock and unlock at the press of a button it often means that the door s lock actuator has given up the ghost.

For vehicles equipped with door lock cylinders the door can still be opened using the key. Inspect the fuse that protects the door lock circuit to ensure it is not blown. 7 fixes to try if your car s power door locks won t work 1. But in more complicated systems that have several ways to lock and unlock the doors the body controller decides when to do the unlocking.

If any wiring is damaged replace them. You don t want to be kicking yourself later because you missed something so obvious. If the result of this does not yield any results continue to step 2. Remove switch panel and inspect wiring.

Power door locks that do not function are another common symptom for a problem with the door lock relay. An inoperative power door lock can be caused by the switch solenoid wiring problem or mechanical problem within the linkage of the affected door. The lock actuator consists of a small electric motor that drives. Great tips for diagnosing a power door lock central locking or key fob issue on bmw and we show you the first steps to take.

Go to a dealer and they will.