The L-Stick on my Wii U Gamepad no longer works correctly. When pushing forward to move the character in game, it won't register that the stick is being pushed all the way up. Instead it makes the character move slowly across the screen as if I were only tapping the stick forward. I've tried recalibrating the L-stick by pressing + - A B all at once for at least 3 seconds, but that doesn't help. My Wii U isn't even a year old yet so I don't feel like it should be having input problems.
I was going to fill out a repair request but I figured I'd ask for help before paying a $100 fee on something that I don't think is my fault.