Network Message Chart

WARNING: This page is about a different car, the 2021 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.

IPMA Network Input Messages

Broadcast Message	Originating Module	Message Purpose
ABS active	ABS module	Disables the active park assist if an ABS activation occurs.
Ambient air temperature filtered	PCM	Used to temperature compensate the parking aid sensors.
Active park assist steering angle control status	PSCM	Provides the steering angle status confirmation to the IPMA.
Active park assist mode request	APIM	Allows the driver to change the parking aid settings through the centerstack infotainment display.
EPAS failure	PSCM	Disables the active park assist if an EPAS failure occurs.
Gear lever position	PCM	Determines the current gear selection.
Stability-traction control event in progress	ABS module	Disables the active park assist if a stability or traction control system activation occurs.
Stability-traction control indicator request	ABS module	Disables the active park assist if a stability or traction control system fault occurs.
Steering pinion angle	PSCM	Determines the current steering angle.
Trailer lamp connected	TRM	Deactivates the system if a trailer is connected.
Turn signal switch status	SCCM	Determines which side of the vehicle the intended parking space is located on.
Vehicle speed	PCM	Disables the active park assist system if the vehicle speed exceeds a preset threshold when the system is active.
Vehicle yaw rate	ABS module	Determines the current vehicle yaw rate.
Wheel rotation count	ABS module	Confirms wheel rotation during active park assist maneuvers.
Wheel rotation direction	ABS module	Confirms wheel rotation direction during active park assist maneuvers.
Wheel speed data	ABS module	Confirms vehicle movement and calculates distance traveled during active park assist maneuvers.

PSCM Network Input Messages

Broadcast Message	Originating Module	Message Purpose
Active park assist steering angle request	IPMA	Commands the steering angle during active park assist maneuvers.
Steering wheel angle	ABS module	Determines the current steering angle.
Vehicle speed	PCM	Disables the active park assist if vehicle speed is too high during a maneuver.

IPC Network Input Messages

Broadcast Message	Originating Module	Message Purpose
Active park assist chime request	IPMA	Used by the IPC to generate the chimes for the active park assist system.
Active park assist mode available	IPMA	Used by the IPC to display the active park assist available modes to the driver.
Active park assist status	IPMA	Updates the IPC with the active park assist status.

APIM Network Input Messages

Broadcast Message	Originating Module	Message Purpose
Active park assist message display	IPMA	Provides parking aid information for the audio system display.
Active park assist mode available	IPMA	Used by the APIM to display the active park assist available modes to the driver.
Active park assist status	IPMA	Updates the APIM with the active park assist status.

PCM Network Input Messages

Broadcast Message	Originating Module	Message Purpose
Active park assist status	IPMA	Updates the PCM with the active park assist status.
Gear request	IPMA	Controls the vehicle gear.
Vehicle speed request	IPMA	Controls the vehicle speed during parking maneuver.

ABS Module Network Input Messages

Broadcast Message	Originating Module	Message Purpose
Brake torque request	PCM	Used to slow and stop the vehicle.