Gas cap light

[tlhovey]

Looking for some advice. I've got a 2010 5.7L Ram TRX. 3-4 months ago the gas cap light came on and after some research, replaced the cap with a new one and the light went off. A couple days ago, it came on again and also the check engine light as well. The codes indicated the gas cap again, so, frustrated that the one I had bought only a few months ago had already failed, I purchased another. Light went off for about 1/2 a day and then came back on with the check engine light as well. Has anyone else had anything similar? I haven't found any other threads on this topic as yet.