FixVault

Removal Procedure

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.
    NOTE:

    It is not necessary to completely remove the spare tire and wheel assembly.

  1. Lower and secure the spare tire and wheel assembly enough to access the trailer brake control module.
  2. Disconnect the trailer brake power control module electrical connector.
  3. Fig 1: Trailer Brake Control Module Bolts
    GM3268818Courtesy of GENERAL MOTORS COMPANY
  4. Hold the trailer brake power control module nuts stationary and remove the trailer brake power control module bolts (1).
  5. Fig 2: Trailer Brake Control Module
    GM3268822Courtesy of GENERAL MOTORS COMPANY
  6. Remove the trailer brake power control module (1).