Serial Data Gateway Module Replacement (Terrain With MNH, NMK, Or MHG)

WARNING: This page is about a different car, the 2018 GMC Terrain and 2018 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Serial Data Gateway Module

Courtesy of GENERAL MOTORS COMPANY

Callout	Component Name
Preliminary Procedure Electronic Transmission Shift Control Pushbutton Replacement
1	Serial Data Gateway Module Procedure Release the retaining tab. Disconnect the electrical connectors. Perform the necessary programming and setup procedure:Control Module References

Callout

Component Name

Preliminary Procedure
Electronic Transmission Shift Control Pushbutton Replacement

Serial Data Gateway Module

Procedure

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