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Home >> GMC >> 2021 >> Terrain SL >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Headlights >> Lighting System - Repair Instructions >> Repair Instructions >> Headlamp Automatic Control Module Replacement

Headlamp Automatic Control Module Replacement

GM4676344Courtesy of GENERAL MOTORS COMPANY
Callout Component Name
Preliminary Procedure 
Remove the right side quarter lower rear trim panel. Quarter Lower Rear Trim Panel Replacement (Left Side) , or Quarter Lower Rear Trim Panel Replacement (Right Side)
1 Headlamp Control Module Nut [ 2x ]
CAUTION:

Refer to Fastener Caution


Tighten 
6 N.m (53 lb/in)
2 Headlamp Control Module

Procedure

  1. Disconnect the electrical connector.
  2. Perform the necessary programming and setup procedure: Control Module References