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Genevieve · 04-29-2010, 03:13 PM

I have used onstar to check my CEL's before. They will just check the car while the light is on and tell you what it is right there. This might help ya if your scanner wont.

X2 on a true tune not needing a learning period after a tune.

my .02

04-29-2010, 03:13 PM	#9
Genevieve Drives: 2SS/RS Join Date: Jul 2009 Location: St. louis Posts: 161	I have used onstar to check my CEL's before. They will just check the car while the light is on and tell you what it is right there. This might help ya if your scanner wont. X2 on a true tune not needing a learning period after a tune. my .02