Liftgate Release System Components

2025 Chevrolet Trailblazer ACTIV, 4WDSECTION Liftgate Release System Components
  • Body control module (BCM)
  • Liftgate unlatch switch
  • Liftgate latch assembly
  • Liftgate unlatch relay
Fig 1: Identifying Liftgate Release System Block Diagram
GM3635551Courtesy of GENERAL MOTORS COMPANY
Callout Component Name
P16 P16 Instrument Cluster
K9 K9 Body Control Module
M30 M30 Liftgate Latch
S46B S46B Liftgate Unlatch Switch
RENDER: 1.0x

NO RELATED

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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.