FixVault

Auxiliary Chassis Control Module Replacement - Trailer Brake

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2017 GMC Sierra 3500 HD, 2017 GMC Sierra 2500 HD, 2017 GMC Sierra 1500, 2017 Chevrolet Silverado 3500 HD, and 2017 Chevrolet Silverado 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Auxiliary Chassis Control Module
GM4605230Courtesy of GENERAL MOTORS COMPANY
Callout Component Name
Preliminary Procedure 
Remove the spare tire. Spare Wheel Hoist Replacement
1 Auxiliary Chassis Control Module Bolt [3x]
Tighten 
9 N.m (80 lb in)
2 Auxiliary Chassis Control Module- Trailer Brake

Procedure

  1. Disconnect the electrical connector.
  2. Perform the necessary programming and setup procedure:Control Module References