Anyone know what happened to this site??? I can't get it to come up anymore and I need the ammunition next time I take it to the stealer.:eek:

it changed slightly but its in the FAQ at the top of the forum


http://tis2web.service.gm.com/tis2web

Go to http://service.gm.com It's in the TIS tab.

Thanks guys

Can someone explain exactly what the GM Calibration site does? Does this give the latest ECM cals for your vehicle, or is it something different? Please forgive my ignorance, just curious.

Thanks,
Bill

If you put in your vin it will give you the latest calibration numbers. You will need a Tech2 to see what your current numbers are.

thanks...


Bill