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Serial Data Gateway Module Replacement

WARNING: This page is about a different car, the 2017 Cadillac ATS. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Serial Data Gateway Module
GM4521348Courtesy of GENERAL MOTORS COMPANY
Callout Component Name
Preliminary Procedure 
Refer to Instrument Panel Lower Trim Panel Insulator Replacement (Left Side)Instrument Panel Lower Trim Panel Insulator Replacement (Right Side)
1 Serial Data Gateway Module

Procedure

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