Transmission Control Module Replacement

WARNING: This page is about a different car, the 2018 Chevrolet Suburban 3500 HD. 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 .