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.
Power lock not working on driver door.
The drivers door switch controls all power door locks.
Go to a dealer and they will.
Next check the door lock switch and door lock actuator.
2005 2010 hummer h3.
Of course it is also possible that the wiring harness between the driver side door and cowl is.
The power windows switch also works on the driver side.
Power door locks do not function.
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.
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.
Inspect the fuse that protects the door lock circuit to ensure it is not blown.
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.
The door locks may function correctly one moment and in the next will cease to operate.
Replace the key fob.
Power door locks that do not function are another common symptom for a problem with the door lock relay.
The windows and the locks are on two separate circuits.
You don t want to be kicking yourself later because you missed something so obvious.
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.
The only part that these two have in common is the master switch.
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.
7 fixes to try if your car s power door locks won t work 1.
This can be an inconvenience to the driver when trying to lock or unlock the vehicle.