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Network Message Charts

WARNING: This page is about a different car, the 2018 Ford Focus. 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
PTC heater request HVAC control module This message contains the request to activate the electric booster heater.
Engine coolant temperature PCM This message contains raw value from the ambient air temperature sensor.
Ambient air temperature PCM This message contains raw value from the ambient air temperature sensor.
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