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Serial Data Gateway Module Replacement

WARNING: This page is about a different car, the 2018 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
GM4491460Courtesy of GENERAL MOTORS COMPANY
Callout Component Name
Preliminary Procedure 
Instrument Panel Lower Trim Panel Insulator Replacement - Left 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