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Home >> GMC >> 2009 >> Sierra 2500 HD, 2D Pickup, 6.0 K, RWD >> Repair and Diagnosis >> Body & Frame >> Towing Systems >> Trailer Brake Control System >> Repair Instructions >> Trailer Brake Control Module Replacement (1500) >> Removal Procedure

Removal Procedure

  1. Turn the ignition switch to the OFF position.
    2. NOTE: Do not remove the spare wheel hoist.
  2. Remove the spare tire and wheel assembly. Refer to Spare Wheel Hoist Replacement .
    3. Fig 1: Identifying Trailer Brake Control Module & Mounting Bolts
    GM2127550Courtesy of GENERAL MOTORS CORP.
  3. Disconnect the trailer brake control module electrical connector.
    4. NOTE: It is not necessary to completely remove the bolts.
  4. Reach above the trailer brake control module and relay bracket and loosen, but do not remove, the trailer brake control module bolts (1).
    5. Fig 2: Locating Trailer Brake Control Module
    GM2127552Courtesy of GENERAL MOTORS CORP.
  5. Slide the trailer brake control module (1) toward the center of the vehicle and remove the trailer brake control module.
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