Transmission Control Module Replacement

WARNING: This page is about a different car, the 2018 GMC Yukon XL, 2018 GMC Yukon, 2018 Chevrolet Tahoe, 2018 Cadillac Escalade ESV, and 2018 Cadillac Escalade. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Transmission Control Module

Courtesy of GENERAL MOTORS COMPANY

Callout	Component Name
1	Transmission Control Module Procedure Disconnect the electrical connector. Remove the module from the module bracket by releasing the retaining tabs. If installing a new module, perform the transmission control module programing and setup. Refer to K71 Transmission Control Module: Programming and Setup .

Callout

Component Name

Transmission Control Module

Procedure

Disconnect the electrical connector.
Remove the module from the module bracket by releasing the retaining tabs.
If installing a new module, perform the transmission control module programing and setup. Refer to K71 Transmission Control Module: Programming and Setup .