6T70/6T75 - Automatic Transaxle

Transmission Identification Information

Transmission Identification Information:

1 - Code for Automatic Transmission
2 - Model Year
3 - Model for Transmission
4 - Level of TCM Software
5 - Source Code for Plant
6 - Calendar Year
7 - Julian Date
8 - Shift/Line (A/B)
9 - Numeric sequence starting at 0001 @ 12:01 AM each day

Source Code for Plant
^ 4 - Ramos Arizpe, Mexico
^ H - Ypsilanti, Michigan
^ J - Windsor, Ontario
^ S - Strasbourg, France
^ W - Warren, Michigan
^ Y - Toledo, Ohio