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.
Power lock not working on driver door.
The most likely cause of your problem is the master switch in the drivers door.
Inspect the fuse that protects the door lock circuit to ensure it is not blown.
If your power door locks start working normally after a fuse reset you have two options.
2005 2010 hummer h3.
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 only part that these two have in common is the master switch.
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.
Replace the key fob.
Power door locks that do not function are another common symptom for a problem with the door lock relay.
This can be an inconvenience to the driver when trying to lock or unlock the vehicle.
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.
Go to a dealer and they will.
The drivers door lock switch is the most used so it stands to reason that it would fail first.
The drivers door switch controls all power door locks.
If all of the door locks are inoperative start your diagnosis at the fuse box.
7 fixes to try if your car s power door locks won t work 1.
The power windows switch also works on the driver side.
Of course it is also possible that the wiring harness between the driver side door and cowl is.
The door locks may function correctly one moment and in the next will cease to operate.
If that doesn t solve the problem you may have a faulty key fob.
An inoperative power door lock can be caused by the switch solenoid wiring problem or mechanical problem within the linkage of the affected door.
Power door locks do not function.
Next check the door lock switch and door lock actuator.