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Theft Deterrent Module Replacement

WARNING: This page is about a different car, the 2023 GMC Savana 3500, 2023 GMC Savana 2500, 2023 Chevrolet Express 3500, and 2023 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.
GM4843135Courtesy of GENERAL MOTORS COMPANY
NOTE: Callouts in the following chart represent components shown in graphic above.
Callout Component Name
Preliminary Procedure 
Ignition Lock Cylinder Replacement
1 Electrical Connector
2 Theft Deterrent Module

Procedure

  1. Release the retaining tabs and remove the theft deterrent module from the ignition lock cylinder case.
  2. Program the theft deterrent system. Control Module References