You never stated if you had a CEL. or SES Light. If so Run it to orilleys and have them run it. On theyre innova scanner, Have them go to Advanced>GM> ADVANCED> Pending Conditions Cant remember the exact lay out but. We have one of the 3-400$ Innova Scanners at my shop, Guess thats the loyalties of working for a (Not My) Family owned Body shop/Car lot.