felicie said:
I think it more wants to know which engine you have, which will tell which computer is there. Which is the 8 digit in GM's vins
The engine type is entered further down in the powertrain section.
For my 2005 GMC Envoy 4x4 with 4.2L I6
The Tech2 startup amble goes like this:
1. Power on
2. one beep - means Tech2 system is okay
3. Main Menu > F0 Diagnostics
4. Model Year > (5) 2005
5. Vehicle Type > LD TRK, MPV, INCOMPLETE
6. Product Make > (T) GMC TRUCK
7. Product Line > T
8. Product Series > Envoy
9. F0: Powertrain ->(S) 4.2L L6 LL8