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Auxiliary Chassis Control Module Replacement - Trailer Brake

GM4601605Courtesy of GENERAL MOTORS COMPANY
NOTE: Callouts in the following chart represent components shown in graphic above.
Callout Component Name

Preliminary Procedures

  1. Raise and support the vehicle. Lifting and Jacking the Vehicle
  2. Remove the spare tire.
1 Chassis Control Module Fastener [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
  3. Lower the vehicle. Lifting and Jacking the Vehicle