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Home >> GMC >> 2021 >> Terrain SL >> Repair and Diagnosis >> External Pages >> Different car >> Section 35 (Cellular, Entertainment, And Navigation System) >> Repair Instructions >> Communication Interface Module Replacement (Terrain with IOR) >> Installation Procedure
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Installation Procedure

WARNING: This page is about a different car, the 2020 GMC Terrain and 2020 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.
  1. GM4703357Courtesy of GENERAL MOTORS COMPANY

    Connect the electrical connectors.

  2. Communication Interface Module (1) - Install
  3. GM4697279Courtesy of GENERAL MOTORS COMPANY

    Connect the electrical connectors.

  4. Instrument Panel Radio Front And Rear Trim Plate Assembly (1) - Install
  5. GM4697274Courtesy of GENERAL MOTORS COMPANY

    Radio Control Bolt (1) - Install and tighten [7x] 2.5 N.m (22 lb in)

  6. GM4693229Courtesy of GENERAL MOTORS COMPANY

    Instrument Panel Trim Pad - Right Side (1) - Install - Instrument Panel Trim Pad Replacement - Right Side (Equinox) , or Instrument Panel Trim Pad Replacement - Right Side (Terrain)

  7. GM4692425Courtesy of GENERAL MOTORS COMPANY

    Instrument Panel Center Trim Plate Applique(1, 2) - Install - Instrument Panel Center Trim Plate Applique Replacement (Terrain)

  8. Perform the necessary programming and setup procedure:Control Module References