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Serial Data Gateway Module Replacement

WARNING: This page is about a different car, the 2018 Buick Envision. However, it is still accessible from the selected car via links, so may be relevant.
GM4509665Courtesy of GENERAL MOTORS COMPANY
Callout Component Name
Preliminary Procedure 
Serial Data Gateway Bracket Replacement 
1 Serial Data Gateway Module

Procedure

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