2002 slideing passenger door

Hi, new to this forum but could use some help. Have a 2002 Voyager that the passenger slider door won't close completely when the button is pushed. The motor will slide the door until almost closed, then stop. Was wondering if there was some type of adjustment that could be made to make the door work properly.

Does anyone know how to fix/troubleshoot this door problem?

u more then likely need a sliding door latch.