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Section 22 (Automatic Transaxle Servicing): Identification: Transmission

WARNING: This page is about a different car, the 2003 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.

The transmission identification number is located at the rear of the transmission on the right-hand side. See Fig 1. For I.D. number breakdown, see TRANSMISSION IDENTIFICATION SYSTEM  table.

TRANSMISSION IDENTIFICATION SYSTEM

Position Description
1 Production Or Service New
2 Transmission Family
3 Model Year
4 Alpha Code
5 Part Number
6 Serial Number
7 Empty
8 Calibration Code
9 I.D. Tag Location
10 Remanufactured
11 Remanufactured Date (Week)
12 Remantufactured Date (Year)
13 Remanufactured (R)
Fig 1: Transmission Identification (5L40-E/M82)
G00170234Courtesy of GENERAL MOTORS CORP.