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Network Message Chart

WARNING: This page is about a different car, the 2018 Lincoln MKC. However, it is still accessible from the selected car via links, so may be relevant.
Broadcast Message Originating Module Message Purpose
Brake switch position GSM Input from brake switch necessary to change gears.
Gear button data GSM Message sent to TRCM which gear is commanded.
Gear confirmation TRCM Input to GSM confirming gear selection.
PRNDS mode IPC Used for PRNDS display.
Gear command PCM Input to change gears.
Key in ignition status BCM Input used to change gears.
Neutral tow command PCM Input used to enter neutral tow.
Vehicle lock status BCM Input used to move transmission out of P.
Seat belt buckle data RCM Input from seat belt buckle to determine driver presence.
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