2025 Chevrolet Trailblazer RS, 4WDFACTORY OEM SERVICE PROCEDURE

Installation Procedure

  1. GM5390762Courtesy of GENERAL MOTORS COMPANY

    Rear Closure Hands Free Module (2) - Install

  2. Connect the electrical connector.
  3. Rear Closure Hands Free Module Screw (1) - Install and tighten [2x] 0.4 N.m (4 lb in)
  4. GM5390761Courtesy of GENERAL MOTORS COMPANY

    Wiring Harness (2) - Position

  5. Wiring Harness Retainer (1) - Install [2x]
  6. GM5390689Courtesy of GENERAL MOTORS COMPANY

    Rear Closure Hands Free Sensor Shield (2) - Install - Rear Closure Hands Free Sensor Shield ReplacementΒ 

  7. GM5220200Courtesy of GENERAL MOTORS COMPANY

    Rear Bumper Fascia (1) - Install - Rear Bumper Fascia Replacement

  8. Perform the necessary programming and setup procedure: K39 Liftgate Control Module: Programming and Setup (Without 09F) , or K39 Liftgate Control Module: Programming and Setup (With 09F)
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.

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