LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Jeep >> 2023 >> Grand Wagoneer Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Collision/Avoidance >> Electronic Control Modules (Service Information) (2 Of 2) >> Module, Transmission Control (TCM) >> Removal And Installation >> Transmission Control Module
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Transmission Control Module

NOTE:

New Transmission Control Modules (TCM) are supplied with generic software. When replacing a TCM, it must be programmed with vehicle specific software. 

NOTE:

If this Electronic Control Unit (ECU) is being replaced with a new unit, use a diagnostic scan tool to perform the Flash Programming Procedure (if available). 

For removal and installation of the Transmission Control Module Assembly (TCMA), Refer to VALVE BODY, REMOVAL AND INSTALLATION, 3.0L , VALVE BODY, REMOVAL AND INSTALLATION, 5.7L or VALVE BODY, REMOVAL AND INSTALLATION, 6.4L .