Yeah - it means your gas cap is loose. Actually, it points to a small leak
in your evaporative emissions system, but the most likely cause is you
didn't screw the gas cap on tight enough.
FYI - there's no OBD-II code that tells you to change your oil.
On my 2001 Ram I had codes for a small leak at least 6 times over the
last 5 years. Each time it was a bad hose, bad hose manifold, bad
fittings etc. Since new I never went over a year without that error
showing up again. Not once was it the gas cap. I have heard thats
common but never my luck!
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