Transmission Identification Information

WARNING: This page is about a different variant/trim than selected.

Fig 1: View Of Automatic Transmission AF40 Identification Plate

Courtesy of GENERAL MOTORS COMPANY

For automatic transmission AF40, the identification plate is on the top of the transmission housing.

Position	Data
1	Aisin Warner transmission type
2	Fabrication line 1 = 000001- 500000 Fabrication line 2 = 500001- 999999
3	Transmission type (AF40)
4	Model code
5	GM parts number
6	Production serial number 04 = Year of production (2004) F = Month of production A: January B: February C: March D: April E: May F: June G: July H: August J: September K: October L: November M: December 38 = Model Designation 00001 = Production Serial Number