Door Locks 95 SE

I have a 95 grand prix se. When i go to unlock and lock my doors using the power door lock button the drivers side works perfect. But the Passenger side will only move the lock partially. But if you manualy lock/unlock the passenger door that will work fine. Any thoughts on what the problem is?

checa los remaches del actuador en mi GP los remaches se soltaron y no activava el varillaje totalmente solo reemplaza los remaches y listo

am sorry am not speak english.

It sounds like a bad power door lock actuator on the passenger side.