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.
7 fixes to try if your car s power door locks won t work 1.
The drivers door lock switch is the most used so it stands to reason that it would fail first.
Replace the key fob.
The windows and the locks are on two separate circuits.
Power door locks that do not function are another common symptom for a problem with the door lock relay.
The only part that these two have in common is the master switch.
Go to a dealer and they will.
Next check the door lock switch and door lock actuator.
2005 2010 hummer h3.
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 most likely cause of your problem is the master switch in the drivers 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.
The power windows switch also works on the driver side.
Inspect the fuse that protects the door lock circuit to ensure it is not blown.
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 drivers door switch controls all power door locks.
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.
Of course it is also possible that the wiring harness between the driver side door and cowl is.
You don t want to be kicking yourself later because you missed something so obvious.
Power door locks do not function.
If that doesn t solve the problem you may have a faulty key fob.
If all of the door locks are inoperative start your diagnosis at the fuse box.