SES Code C0441

Any idea what that generic code really is? I keep getting the SES light on every month or so. It got to the point that I bought a reader to reset the light.
I was told that by filling the gas tank with the engine running would do this. but I dont do that and the SES light keeps lighting up.

i have had the same problem and am trying to figure it out as well. i had my friend look at the code with a scanner and cleared it then a couple days later it came back so i took it to my mechanic he cleared the code and said he checked everything, like check the fuel lines and pressure test the gas cap and there was nothing wrong so he cleared the code and it came back the next day i am baffled, but i was wondering if anyone had an idea as to what is wrong