Network Message Chart

WARNING: This page is about a different car, the 2017 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.

PSCM Network Input Messages

Broadcast Message	Originating Module	Message Purpose
ABS active	ABS	Used to confirm the operational state of the ABS.
Ignition status	BCM	This message is first sent to the GWM and then to the PSCM. Used to confirm the ignition status of the vehicle.
Power pack status	PCM	This message is first sent to the GWM and then to the PSCM. Used to confirm the status of the operating mode; off - torque not available, on - torque not available, start in progress - torque not available or on - torque available.
Power system status	BCM	This message is first sent to the GWM and then to the PSCM. Used to confirm the status of the vehicle battery and charging system.
Stability control brake active	ABS	Used to confirm the operational state of the stability control system.
Steering wheel angle	ABS	Used to verify the validity of the steering angle sensor.
Traction control brake active	ABS	Used to confirm the operational state of the traction control system.
Vehicle configuration information	BCM	This message is first sent to the GWM and then to the PSCM. Used to compare the PSCM configuration against the vehicles specific configuration (central car configuration).
Vehicle lateral acceleration	ABS	Used by the PSCM for steering assist calculations.
Vehicle lateral acceleration	RCM	Used by the PSCM for steering assist calculations.
Vehicle longitudinal acceleration	ABS	Used by the PSCM for steering assist calculations.
Vehicle speed data	ABS	Used to determine the level of assist supplied to the steering gear and to validate the steering wheel component angle by comparing the rotational speeds of each wheel. The difference in the speed of each wheel is used to derive a steering angle for comparison against the EPAS motor position sensor.
Vehicle yaw rate	ABS	Used by the PSCM for steering assist calculations.