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WisconsinHick1
April 19th, 2013, 03:28 PM
How do I go about finding an operation system when all you have is a vehicles VIN number?

I have a truck with a pretuned ECM and can't pull anything down as it is a newer vehicle.
GMPX
April 19th, 2013, 04:06 PM
You can go to this website:
https://tis2web.service.gm.com/tis2web

Enter in the VIN, choose to see the ECM details and that will tell you at least what the latest OS is from GM.
WisconsinHick1
April 19th, 2013, 04:12 PM
Thank you very much sir!
WisconsinHick1
March 11th, 2014, 02:30 PM
Tried to get the newest os for my new truck and the website won't tell me.
joecar
March 11th, 2014, 06:25 PM
Are you seeing this:




E4214: WARNING: You have received this message for one of the following reasons:


1. Session has timed out.
2. Another user is using the same user id/password and has terminated your session.
3. Security violation - user does not have access to this application.
WisconsinHick1
March 13th, 2014, 09:16 AM
Yes
GMPX
March 13th, 2014, 09:24 AM
Just try again at another time, TIS2WEB does have a habit of going off in to space every now and then.
Taz
March 13th, 2014, 09:28 AM
They changed the link awhile back ... I had to reload it.

See if this one works for you ....

https://tis2web.service.gm.com/tis2web

It appears the same (as did my old link) - but is somehow different.