2019 GMC Terrain SLFACTORY OEM SERVICE PROCEDURE

Lighting Control Module Replacement

WARNING: This page is about a different car, the 2022 Cadillac CT5. However, it is still accessible from the selected car via links, so may be relevant.
GM5335418Courtesy of GENERAL MOTORS COMPANY
Callout Component Name
Preliminary ProcedureΒ 
Instrument Panel Lower Trim Panel Insulator Replacement - Right Side
1 Lighting Control Module

Procedure

  1. Reposition the front floor panel carpet as necessary.
  2. Disconnect the electrical connectors.
  3. Release the retaining tab.
  4. Perform the necessary programming and setup procedure: Control Module References
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.