Is there a recall on my 2015 ram1500

Hello, you can check the Chrysler web site and check for recalls specifically for your vehicle by entering your Vehicle Identification Number (VIN). However, it's unlikely this concern has been a "recall". I also do not see any service bulletins for this concern noted. Steps should be taken to determine the root cause, a gasket, the lamp assembly, a weatherstrip, a body seam... Hard to say without hands on water testing.