I have a 2014 T&C. Recently I noticed the no air comes out of the rear roof vents. The front and rear controls work. I can hear the rear blower motor running and it responds to controls. I went ahead and replaced the rear blower motor, but it has not fixed the problem. What else could be causing this?

 

I guess you checked the fuse before replacing the fan, right? Is the fan spinning (making noise)? You could probably easily measure if it gets 12 V when it is supposed to blow at max RPM.

 

I just replaced my rear evaporator and it was so clogged that I am surprised anything was going through it. Now my rear vents blow stronger. Good luck.