GM Service Manual Online
For 1990-2009 cars only

Object Number: 1898124  Size: SH
(1)Code for Automatic Transmission
(2)Model Year
(3)Model for Transmission
(4)Transmission Family
(5)Source Code for Plant
(6)Calender 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
    • B - Boryeong, Korea
    • M - Yan Tai, Shan Dong, China
    • P - San Luis Potosi, Mexico