Usually the 3-10 takes care of it i hardly ever do the 3-10 i usually i do the vtd on line
much faster and it always work but that will require a passthru,tech2,mdi and a sub on
tisweb but try it again first erase all vtd codes then try this key on for 10 minutes and
30 seconds key off for 30 seconds do this 3 times after the third time do not start the
engine turn key off wait 30 seconds then start the car it should remain running this
procedure is for usa gm vehicles if no go post your trouble codes bcm codes good
luck.