Power Lock Not Working On Driver Door

Power door locks that do not function are another common symptom for a problem with the door lock relay.

Power lock not working on driver door.

I don t know much about it but i would guess either way it would be the motor that engages the lock on the driver side. The power windows switch also works on the driver side. 2005 2010 hummer h3. The only part that these two have in common is the master switch.

The drivers door switch controls all power door locks. The power lock works on the driver door it just doesn t trigger the lock on the driver door but it does lock unlock all the other doors. The windows and the locks are on two separate circuits. Go to a dealer and they will.

If your power door locks start working normally after a fuse reset you have two options. You don t want to be kicking yourself later because you missed something so obvious. Next check the door lock switch and door lock actuator. 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. Inspect the fuse that protects the door lock circuit to ensure it is not blown. The drivers door lock switch is the most used so it stands to reason that it would fail first. If all of the door locks are inoperative start your diagnosis at the fuse box.

An inoperative power door lock can be caused by the switch solenoid wiring problem or mechanical problem within the linkage of the affected door. If you think about it the power lock motor on the driver side would be used more than the others and would wear out sooner just like the driver side power window usually wears out first. You can yank the fuse and do a reset when the door lock misbehave again or you can take it to a shop and have the door lock software updated to correct the problem. This can be an inconvenience to the driver when trying to lock or unlock the vehicle.

Of course it is also possible that the wiring harness between the driver side door and cowl is. Power door locks do not function. The most likely cause of your problem is the master switch in the drivers door.