2009 Chevrolet Tahoe Base, 4.8 CFACTORY OEM SERVICE PROCEDURE

Accessory and Liftgate Control Module Replacement

Fig 1: Power Liftgate Actuator Module & Components
GM1725895Courtesy of GENERAL MOTORS CORP.
Callout Component Name
Preliminary Procedure: 
Remove the body side trim panel. Refer to Rear Quarter Trim Panel Replacement - Left Side (Standard Wheelbase w/E61) or Rear Quarter Trim Panel Replacement - Left Side (Extended Wheelbase w/o E61) or Rear Quarter Trim Panel Replacement - Left Side (Extended Wheelbase w/E61) or Rear Quarter Trim Panel Replacement - Left Side (Standard Wheelbase w/o E61) .
1 Power Liftgate Actuator Module Retainer
Procedure: 
Press the retainer to release.
2 Power Liftgate Actuator Module
3 Electrical Connector

Procedure

  1. Disconnect the electrical connector.
  2. If a replacement control module is installed, program the replacement module. Refer to Liftgate Control Module Programming and Setup .
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:

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

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