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Home >> Ford >> 2024 >> F-150 Lightning Flash >> Repair and Diagnosis >> External Pages >> Different car >> Section 1223 (Pedestrian Alert System) >> Description And Operation >> Pedestrian Alert System - System Operation and Component Description >> Network Message Charts >> Module Network Input Messages - PACM

Module Network Input Messages - PACM

WARNING: This page is about a different car, the 2023 Ford F-150 Lightning and 2023 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.
Broadcast Message Originating Module Message Purpose
Factory mode BCM Controls the pedestrian alert system based on the vehicle build status set in factory mode.
Gear level position PCM Determines transmission gear state.
Ignition status BCM Ignition RUN, START and accessory states required for the PACM operating modes and fault reporting.
Power pack status PCM Determines the HEV operational state.
Reverse gear state PCM Determines reverse gear state.
Transport mode BCM Controls the pedestrian alert system based on the vehicle build status set in transport mode.
Vehicle speed PCM Engages the sounder between 0-30 km/h (0-8 mph).