Error code


#1

2005 pontiac vibe.ok so my brother went to pick up my car from shop(transmission fluid change)the mechanic told him he check the check engline light error code.411 and that it had vapor leak.my brother zoned out halfway through the explanation.i did quick google search and 1st search came up about that code 99% of the time it needs gas cap replacement?.i’m stumped heh.