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Headlamp Control Module Replacement (Multifunction LED)

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2015 GMC Yukon XL, 2015 GMC Yukon, 2015 Chevrolet Tahoe, 2015 Chevrolet Suburban, and 2015 Cadillac Escalade ESV. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Headlamp Control Module (Multifunction LED)
GM3655711Courtesy of GENERAL MOTORS COMPANY
Callout Component Name
Preliminary Procedure 
Remove the headlamp. Refer to Headlamp Replacement (GMC) Headlamp Replacement (Chevrolet) Headlamp Replacement (Cadillac) .
1 Headlamp Control Module Bolt (Qty: 3)
CAUTION:

Refer to Fastener Caution .

2 Headlamp Control Module
Procedure 
Pull the headlamp control module straight out and disconnect the electrical connector to remove.