FixVault

Communication Interface 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: Communication Interface Module
GM3256753Courtesy of GENERAL MOTORS COMPANY
Callout Component Name
Preliminary Procedure 
Remove the radio control assembly. Refer to Radio Control Assembly Replacement .
1 Communication Interface Module

Procedure

  1. Unsnap the module from the bracket.
  2. Disconnect the electrical connectors.
  3. Reprogram the communication interface module after installation. Refer to Control Module References .