LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Cadillac >> 2003 >> CTS Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Automatic Transaxle Servicing) >> Identification >> Transmission
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Section 1 (Automatic Transaxle Servicing): Identification: Transmission

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

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.