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Circuit/System Description

WARNING: This page is about a different car, the 2018 Buick Regal TourX and 2018 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.

For an overview of the component/system, refer to: Interior Lighting Systems Description and Operation

Circuit Description
Control High Control
Low Reference Grounded through the control module.
Component Description
B70 Liftgate Close Switch Illumination lamps are used as backlight for switches or panel areas.
K9 Body Control Module The module controls various vehicle functions like lighting, central door locking, power windows, etc.
K39 Liftgate Control Module The control module K39 controls the liftgate motor function depending on inputs from a variety of sensors, switches and serial data information from other control modules.
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