2016 Chevrolet Suburban 3500 HD LSFACTORY OEM SERVICE PROCEDURE

Removal Procedure

  1. Place the ignition switch in the OFF position.
  2. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  3. Fig 1: Trailer Brake Power Control Module Nuts
    GM3621043Courtesy of GENERAL MOTORS COMPANY
  4. Disconnect the trailer brake power control module electrical connector.
  5. Remove the trailer brake power control module nuts (1).
  6. Fig 2: Trailer Brake Power Control Module
    GM3621044Courtesy of GENERAL MOTORS COMPANY
  7. Remove the trailer brake power control module (1) from the bracket.
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.