GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2003 🢒 CTS - RHD 🢒 General Information 🢒 General Information 🢒 Transmission ID and VIN Derivative Location

5L40-E/5L50-E Transmission Identification Location
Object Number: 212253 Size: LH
(1)Transmission Code
(2)Production Serial Number
(3)Part Number
(4)Calibration Code
(5)Calibration Code
(6)Application and Torque Rating

The Hydra-Matic 5L40E identification plate for the production unit is located on the driver's side of the transmission near the shift selector switch.

4L30-E Transmission Identification Location, ML4
Object Number: 623898 Size: SH

The transmission VIN derivative plate is located on the right side of the transmission.