Here is a common problem.
Town and country sliding door rattle.
Difficult to access but not a hard fix.
Matthew v tn 2016 chrysler town country limited 3 6 l v6 seals and or weather stripping sliding door lock was clicking and could not be operated manually.
Door lock stops responding to electronic buttons.
Diagnosis is a faulty lock actuator.
2016 town and country at 40k miles the passenger sliding door on the drivers side has become unresponsive for no apparent reason.
Test drive the vehicle over bumps to verify that the rattle noise is coming from the rear sliding door.
You hear the noise when coming to a stop.
8 5 19 since caravans and town and country are pretty much the same van dodge chrysler i think this must be the same issue.
Pause the test drive stopping the vehicle at a safe location such as a parking lot.
The dealership have worked on the car 4 times replacing molding and other parts and the problem still exists.