Passenger sliding door latch doesn't work right. Door closes all the way except the latch doesn't pull it in or closed the last 2 inches, when I use the remote or switch

SOURCE: Remote slide door will not close or open all the way.

there is a cable of wires that lay in the track under the slider they break from normal use.. the harness it fairly easy to change.. when you open the door lok in the opening you will see the harness there in black plastic

SOURCE: 2005 dodge grand caravan sliding door problems

could be a partially broken wire in the wiring harness that runs in the door track. the wires are inside what looks like a plastic chain that allows it to move with the door and have seen them partially break not allowing power to flow the whole time

SOURCE: Sliding door won't unlock so I can't open it.

I saw this before and a wire was touching metal. It causes the door lock to mess up and stay locked you have to find the wire The one I saw was touching the metal plate on the door cover handle. A wise friend told me he has see it happen and he has found the wire that causes the trouble.

SOURCE: power sliding door opens part way

Replace the wire track harness in the lower door opening.

SOURCE: sliding door won't close/latch

First you need to determine if the issue is a door sliding issue or a door latching issue. These are 2 separate problems.
If the car/van was in an accident-take it to the bodyman.
If the railing is dirty or has a nail, penny, etc in the way this would also cause problems.
If the latch is already closed on the door lick it can't engage since it is already 'latched'.
Isolate the problem - try again! TJ