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Body Control Module Replacement

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2018 GMC Sierra 3500 HD, 2018 GMC Sierra 2500 HD, 2018 GMC Sierra 1500, 2018 Chevrolet Silverado 3500 HD, and 2018 Chevrolet Silverado 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Body Control Module Component Location
GM3270017Courtesy of GENERAL MOTORS COMPANY
Callout Component Name
Preliminary Procedure 
Remove the instrument panel knee bolster. Refer to Instrument Panel Knee Bolster Replacement .
1 Body Control Module

Procedure

  1. Disconnect the electrical connectors.
  2. Press on the tabs to release the body control module.
  3. If a replacement module is installed, program the module. Refer to Control Module References .