FixVault

Human Machine Interface Control Module Replacement

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2015 GMC Sierra 3500 HD, 2015 GMC Sierra 2500 HD, 2015 GMC Sierra 1500, 2015 Chevrolet Silverado 3500 HD, and 2015 Chevrolet Silverado 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Human Machine Interface Control Module
GM3256786Courtesy of GENERAL MOTORS COMPANY
Callout Component Name
Preliminary Procedure 
Remove the instrument panel compartment. Refer to Instrument Panel Compartment Replacement .
1 Human Machine Interface Control Module

Procedure

  1. Disconnect the electrical connections.
  2. Slide module rearward to release from bracket.
  3. Refer to Control Module References for programming and setup information.