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Network Message Chart

PSCM Network Input Messages 

Broadcast Message Originating Module Message Purpose
ABS active ABS module 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 module Used to confirm the operational state of the stability control system.
Steering wheel angle ABS module Used to verify the validity of the steering angle sensor.
Traction control brake active ABS module 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 module Used by the PSCM for steering assist calculations.
Vehicle lateral acceleration RCM Used by the PSCM for steering assist calculations.
Vehicle longitudinal acceleration ABS module Used by the PSCM for steering assist calculations.
Vehicle speed PCM This message is first sent to the GWM and then to the PSCM. Used to determine the level of assist supplied to the steering gear.
Vehicle yaw rate ABS module Used by the PSCM for steering assist calculations.
Wheel speed data ABS module 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 absolute steering angle message from the SCCM.
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