GM Service Manual Online
For 1990-2009 cars only

All engines and transaxles are stamped with a partial Vehicle Identification Number (VIN). The following table identifies the different VIN derivative characters, character positions, and their respective descriptions:

VIN Derivative Table

Position

Definition

Character

Description

1

Division

B

C

D

T

CHEVROLET INCOMPLETE

CHEVROLET TRUCK

GMC INCOMPLETE

GMC TRUCK

2

Model Year

4

2004

3

Plant Location

1

E

Z

G

F

OSHAWA, ONTRAIO

PONTIAC, MICHIGAN

FORT WAYNE, INDIANA

SILAO

FLINT

4-9

Plant Sequence Number

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