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View Full Version : Use Vin Number to get an OS??



auspeed
March 13th, 2013, 01:46 PM
I have found a service that allows me to convert an holden Vin number & it provides the calibration the car should have..

Is there anyway to work out what OS a car has if I know the calibration #?


I'm not aware of a register that shows what calibration relates to what OS.


I'm trying to have tunes pre-built before the car arrives...

joecar
March 14th, 2013, 05:16 AM
Is it like this: http://tis2web.service.gm.com/tis2web

when you enter the VIN it tells you the id's of all the calibrations including the OS id.

auspeed
March 14th, 2013, 08:01 AM
yep that's the one... e38's give OS but LS1B's dont appear to.. they give a cal id

ScarabEpic22
March 14th, 2013, 08:08 AM
You wont be able to have tunes pre-built for incoming cars unless you use Tis2Web and flash a new PCM/ECM and use that. This just tells you the latest OS for that make/model/year, it has no idea what's actually IN the car now.

joecar
March 14th, 2013, 08:41 AM
Do you see something like this:

14721 14722

auspeed
March 14th, 2013, 08:52 AM
well i was thinking I could use a pre-built file and use the compare & update function or make a script to update the OS in the car...

Just looking for some time saving....

auspeed
March 14th, 2013, 09:06 AM
Do you see something like this:

on your second screen shot i only get the engine calibration number 9357744...

14723