One problem related to mid/rear seats assembly has been reported for the 2009 Nissan Titan. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2009 Nissan Titan based on all problems reported for the 2009 Titan.
The seat foam is poor quality - the seat frame cut through the foam and I can now feel it on my back and bottom seat. While the vehicle was under warranty Nissan replaced the back seat foam two or three times due to the frame pushing through the foam. Now that the vehicle is no longer under warranty and unless I want to spend a $1,000+ to replace the seat I am stuck with the pleasure of feeling the metal frame pushing into me in while driving vice the comfort of the cushions that should be between the seat frame and me. I doubt it is safe to have such little cushion between me and the seat frame in the event of an accident.