So I noticed on my trip to work today I had a GASCAP light on the dash. I thought to myself no big deal I'll reseat my gas cap and all should be fine. Turns out my gas cap was just hanging not even on. So I put it on and went into work. Well I went to lunch in my jeep (2015 jku) and the GASCAP light still came on. Do I need to clear a code or something or do I have a bad gas cap? I've never had this problem before.