Have you checked the fuses.
Passenger door wont lock or unlock.
If the battery isnâ t the problem the issue may be with the fob itself.
There could be an electrical issue that prevents the fob from connecting to the door s receiver sensor.
Have replaced the fob battery and also checked every fuse and relay.
Any of the buttons used on any door will lock the passenger door but no other doors.
I can here it trying to unlock.
A fuse is blown.
If one door doesnâ t work but.
The only way to unlock the door is to manually pull the handle on the inside.
The front passenger door works regardless of any method used.
You need a screwdriver and a panel popper or if you don t have one carefully pull the panel off with your hands you may have to get new panel clips.
You are on the right track.
The front driver will lock unlock with a manual key.
When you hit the power lock the lock switch moves partially into the lock.
It s gotten progressively worse and now the power lock won t unlock at all.
But the door lock on the passenger side will not lock itself completely which sort of undermines the point of having a remote to lock the car.
Passenger door is stuck in the lock position.
Won t open from inside nor outside.
Also the rear doors will not lock or unlock in any fashion other than manually.
These are mostly the reasons and troubleshooting options when a remote key won t unlock car door.
Can you confirm the model of your nissan.
If you go to your car.
Or does every lock have it s own fuse.
Door panel is easy to take off.
Is it your first time dealing with this issue.
The key fob battery is dead.
The key fob is faulty.
This is one of the most common reasons why your car door lock is not working.
Reprogram the smart fob.
It seems like it tries to unlock but something might be stuck or need to be lubricated.
Assuming it s the front passenger s side door we know that the smart entrance control unit and fuses are good because the rear locks work.
When the physical key can lock or unlock the door be sure that the mechanism of the locks is fine.
Passenger side door will only unlock if you pull handle and only lock if you push lock down key switch or remote won t work.
Sometimes the remote still does not work after checking for all possible reasons.
