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Network Message Chart

WARNING: This page is about a different car, the 2015 Lincoln MKS. However, it is still accessible from the selected car via links, so may be relevant.

Module Network Input Messages - BCM 

Broadcast Message Originating Module Message Purpose
Vehicle speed PCM Used to indicate vehicle speed to the BCM. When the courtesy lamps are on from an open door, the courtesy lamps turn off when the vehicle speed is greater than 15 kmh (9.3 mph).
Headlamp switch status SCCM Used to command the courtesy lamps on or off when the courtesy lamp switch is pressed.
Passive entry_lock request RFA module Used to provide information regarding the RKE system for the BCM to activate or deactivate the illuminated entry/exit features.
Passive entry_lock status
Passive entry_lock event number
RKE data TPM module Used to provide information regarding the RKE system for the BCM to activate or deactivate the illuminated entry/exit features.

Module Network Input Messages - HVAC Module 

Broadcast Message Originating Module Message Purpose
Parking lamp status BCM Used to indicate whether the parking lamps are on or off to activate the ambient lighting.
Courtesy delay status BCM Used to indicate whether the courtesy delay feature is active or inactive.
Door courtesy light status BCM Used to indicate whether the courtesy lamps are on from an open door. The ambient lighting defaults to a preset color when a door is open.
Illuminated entry status BCM Used to indicate whether the illuminated entry feature is on or off. The ambient lighting defaults to a preset color when the illuminated entry feature is active.
Illuminated exit status BCM Used to indicate whether the illuminated exit feature is on or off. The ambient lighting defaults to a preset color when the illuminated exit feature is active.
Ambient light color request APIM Used to indicate the color selected from the display interface. This commands the ambient color setting as requested by the operator.
Ambient light intensity request APIM Used to indicate brightness setting selected from the display interface. This commands the ambient brightness setting as requested by the operator.