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Home >> Jeep >> 2019 >> Grand Cherokee Laredo, AWD, Full Time T/Case Control >> Repair and Diagnosis >> External Pages >> Different car >> Section 342 (Electronic Control Modules (Service Information)) >> Module, Transmission Control (TCM) >> Removal And Installation >> Transmission Control Module (TCM)
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Transmission Control Module (TCM)

WARNING: This page is about a different car, the 2021 Jeep Grand Cherokee L. However, it is still accessible from the selected car via links, so may be relevant.
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 - 8HP/850RE or VALVE BODY, REMOVAL AND INSTALLATION - 8HP75 .

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