Originally Posted by Opie
And for reference....all the 2005 and newer Subaru's also flash (and disable) the Cruise when a CEL is detected. So your loose gas cap is more than likely the cause of both.
That is the 11,234,567,332,567,567th time that has been posted and most of them were posted by me
Here is a try for future seachers:
FLASHING CRUISE CONTROL CEL CHECK ENGINE LIGHT
I bet it doesn't work....