You probably need a custom tune to get that done. The Pro Racer package lets you shut off traction control (I have it turned off) and I think it let's you shut of the CEL, too but I haven't done that. I doubt the options in the canned tunes allow that but don't know for sure.
'07 Mustang GT | fordevangelist.com
Current: 1/8th 6.58s @ 110MPH - 1/4: 10.35 @ 135MPH | Corn Fed