[cbx-man]

I had a similar problem but a strange cause. A water leak developed below the windshield so water would run down and collect in the passenger side floor boards. There is an electronic doodad located under the passenger seat beneath the carpeting that was causing it to cut-out. The easiest way to check is to lift up the back seat and then you can reach down between the floor and carpet/padding to feel any moisture. If it's dry you have another problem. Good luck!