Network Message Chart

PAM Network Input Messages

Broadcast Message	Originating Module	Message Purpose
Ambient air temperature	PCM	Used to temperature compensate the parking aid sensors
Decklid ajar status	BCM	Used to indicate that the hood is opened.
Electrical power status	SOBDMC	Used to indicate if the engine is on (for HEV/PHEV).
Ignition key type	BCM	Used to disable the parking aid menus if a MyKey® is in use
Ignition status	BCM	Used to communicate the ignition switch state.
Parking aid enable request	IPC	Used to enable or disable the front or rear parking aid.
Parking aid enable status	BCM	Used to enable or disable the front or rear parking aid.
Selector lever (PRNDL) status (HEV only)	TCM	Used to enable the parking aid when the transmission selector is in REVERSE on hybrid vehicles.
Selector lever (PRNDL) status (except HEV)	PCM	Used to enable the parking aid when the transmission selector is in REVERSE.
Wheel rotation count	ABS module	Used to disable and enable the parking aid system based on vehicle speed.

ACM Network Input Messages

Broadcast Message	Originating Module	Message Purpose
Chime source	IPC	Used to command parking aid warning tones through the audio system speakers.

DSP Network Input Messages

Broadcast Message	Originating Module	Message Purpose
Chime source	IPC	Used to command parking aid warning tones through the audio system speakers.

IPC Network Input Messages

Broadcast Message	Originating Module	Message Purpose
Parking aid chime request	PAM	Used to command parking aid warning tones through the audio system speakers.
Parking aid enable status	BCM	Used to indicate to the IPC that the front or rear parking aid is enabled or disabled.
Parking aid status	PAM	Used to command parking aid warning tones through the audio system speakers.
Parking aid sensor status	PAM	Used parking aid status.