Look at your A4 and there is a VIN Derivative code, then look at the MM6 it also has a code
Replace the last digits with the ones from MM6 in VIN #
Position
Definition
Character
Description
1
Model Year
2
2002
2-3
Model
Y
Corvette
4
Transmission Type
D
RPO M30, HYDRA-MATIC 4L60-E
5
Calendar Year
3
2003
6-8
Julian Date (or Day of the Year)
--
--
9
Shift Build
--
