Serial Data Gateway Module Replacement

WARNING: This page is about a different car, the 2021 GMC Sierra 3500 HD and 2021 GMC Sierra 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.

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Callout	Component Name
Preliminary Procedure Floor Front Air Outlet Duct Replacement - Left Side
1	Serial Data Gateway Module Procedure Disconnect the electrical connectors. Release the retaining tab. Perform the necessary programming and setup procedure:Control Module References

Callout

Component Name

Preliminary Procedure
Floor Front Air Outlet Duct Replacement - Left Side

Serial Data Gateway Module

Procedure

Disconnect the electrical connectors.
Release the retaining tab.
Perform the necessary programming and setup procedure:Control Module References