2021 GMC Terrain SLFACTORY OEM SERVICE PROCEDURE

Rear Closure Hands Free Sensor Replacement

GM4604254Courtesy of GENERAL MOTORS COMPANY
Callout Component Name
Preliminary ProcedureΒ 
Remove the 2 rear bumper fascia lower bolts to gain access to hands free sensor. Rear Bumper Fascia Replacement (Equinox) , or Rear Bumper Fascia Replacement (Terrain)
1 Rear Closure Hands Free Sensor

Procedure

  1. Disconnect the electrical connector.
  2. Disengage the wire at the connector, disengage opposite end, then pull back on each tab, and apply slight force on sensor to push the sensor out of the tabs.
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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