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Serial Data Gateway Module Replacement (Terrain with MNH, NMK, or MHG)

WARNING: This page is about a different car, the 2020 GMC Terrain and 2020 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.
GM4694805Courtesy of GENERAL MOTORS COMPANY
Callout Component Name
Preliminary Procedure 
Electronic Transmission Shift Control Pushbutton Replacement
1 Serial Data Gateway Module

Procedure

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