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Network Message Chart

BCM Network Input Messages 

Broadcast Message Originating Module Message Purpose
Keyless entry system status RFA module Provides the BCM with passive key data. The data contains information such as, if a passive key has been detected, how many were detected and if it is a programmed key. It also contains the RFA module ID, which is checked by the BCM.
RKE RFA module Provides the BCM with which specific programmed passive key was used.
Power pack status PCM Provides the BCM with the current ignition status of the PCM.
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