TIS latest electronic controller calibration information
http://tis2web.service.gm.com/tis2web
I saw a LOT of references to different systems on the car using my VIN.
My question is this: If a reference comes up, does that mean the system needs to be updated or is this just like a list of TSB's and could need to be addressed if a problem is noted?
I posted this also on the Tech/Performance subforum. Just casting my net a little wider than just one subforum.
George






