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Home >> Lincoln >> 2018 >> MKZ Select, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 576 (Exterior Lighting System) >> Description And Operation >> Exterior Lighting >> System Operation - Fog Lamps, Expedition Only >> Network Message Chart

Network Message Chart

WARNING: This page is about a different car, the 2017 Lincoln Navigator and 2017 Ford Expedition. However, it is still accessible from the selected car via links, so may be relevant.

BCM Network Message Chart 

Broadcast Message Originating Module Message Purpose
Headlamp switch status SCCM Indicates the headlamp switch position to the BCM. When the position indicates FOG LAMPS and the parking lamps are on (either from manual control of the headlamp switch or the autolamp system), the BCM provides voltage to the front fog lamps.
Headlamp high beam flash to pass SCCM Indicates to the BCM a request for the high beams or flash-to-pass. When either are active, the front fog lamps are off.
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