Defrost the lock to check an individual lock mechanism work the door lock manually up and down or backwards and forwards in newer vehicles while using the auto lock button at the same time.
One door doesnt lock cr.
Most car brands offer a remote door unlock service for emergencies such as a broken smart fob and locking the keys inside the car.
If the actuators have any sort of internal or wiring issue it may cause them to rapidly lock and unlock unexpectedly or cause them to function intermittently.
Just make sure the key is on.
Replacing it may require removing the car door panel.
A fuse is blown.
If the remote key won t unlock car door even after battery swapping or fixing the battery contacts try a distant unlocking service.
Power door locks do not function.
Operate each door lock switch in the vehicle to determine if the doors can be locked with any of the switches.
Another symptom of a potential problem with the power door lock actuators are door locks that behave erratically.
If one door doesn t work but others do the problem could be a blown fuse.
You will need to set these services up ahead of time.
Replacing the fuse will correct the problem.
Again if one door doesn t work but others do the problem could be with the door lock solenoid.
If the lock tries to move then the problem could be a frozen lock mechanism or a faulty solenoid.
Power door locks behave erratically.