Network Message Chart

WARNING: This page is about a different car, the 2018 Lincoln Navigator. However, it is still accessible from the selected car via links, so may be relevant.

BCM Network Input Messages

Broadcast Message	Originating Module	Message Purpose
Camera commands	APIM	Used to command the zoom level on and off based on driver inputs through the FDIM.
Camera settings request	APIM	Request for camera setting information.
Center stack display configuration	APIM	Used to indicate the configuration of the touchscreen display.
Gear lever position	TCM	Used to support the rear parking aid camera standby mode. Turns the camera image output on when reverse gear is selected.
Parking aid fault status	PAM	Used to generate the visual highlights in the zone where an object is detected by the rear parking aid system.
Parking aid sensor data	PAM	Used to generate the visual highlights in the zone where an object is detected by the rear parking aid system.
Steering wheel angle	ABS Module	Used to generate the intended vehicle path for the active guideline feature.
Trailer lamp connected	TRM	Disables the guidelines and visual park aid alert when a trailer is electrically connected to the vehicle (if equipped with trailer tow).
Vehicle speed	PCM	Used to support the rear parking aid camera standby mode. Turns the camera image output off when vehicle speed 16 km/h (10 mph) or greater and turns the camera image output on when the vehicle speed is 8 km/h (5 mph) or less.

IPMB Network Input Messages

Broadcast Message	Originating Module	Message Purpose
Camera commands	APIM	Used to command the zoom level on and off based on driver inputs through the FDIM.
Center stack display configuration	APIM	Used to indicate the configuration of the touchscreen display.
Gear lever position	TCM	Used to support the rear parking aid camera standby mode. Turns the camera image output on when reverse gear is selected.
Parking aid fault status	PAM	Used to generate the visual highlights in the zone where an object is detected by the rear parking aid system.
Parking aid sensor data	PAM	Used to generate the visual highlights in the zone where an object is detected by the rear parking aid system.
Parking aid text message request	PAM	Used to generate the visual highlights in the zone where an object is detected by the rear parking aid system.
Steering wheel angle	ABS Module	Used to generate the intended vehicle path for the active guideline feature.
Trailer lamp connected	TRM	Disables the guidelines and visual park aid alert when a trailer is electrically connected to the vehicle (if equipped with trailer tow).
Vehicle speed	PCM	Used to support the rear parking aid camera standby mode. Turns the camera image output off when vehicle speed 16 km/h (10 mph) or greater and turns the camera image output on when the vehicle speed is 8 km/h (5 mph) or less.

IPC Network Input Messages

Broadcast Message	Originating Module	Message Purpose
Camera status display	PSCM	The ABS module uses the steering angle sensor data to generate the steering angle message that is sent to the BCM to support the active guideline feature.

ABS Module Network Input Messages

Broadcast Message	Originating Module	Message Purpose
Steering wheel angle sensor data	PSCM	The ABS module uses the steering angle sensor data to generate the steering angle message that is sent to the BCM to support the active guideline feature.

APIM Network Input Messages

Broadcast Message	Originating Module	Message Purpose
Camera settings	BCM	Used to display the correct camera image.
Camera status	IPMB	Used to display the current status for active guidelines and visual park aid alert.
Gear lever position	PCM	Used to enable the video display when reverse gear is selected.
Parking aid sensor data	PAM	Used to generate the visual highlights in the zone where an object is detected by the rear parking aid system.
Vehicle speed	PCM	When the video delay feature is turned on, this message is used to turn the rear camera display off after the vehicle speed exceeds a preset threshold.