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Network Message Chart

PCM Network Input Messages 

Broadcast Message Originating Module Message Purpose
PATS start request target data BCM This is a request from the BCM for the PCM ID. The request is part of the PATS process of the BCM to check the PCM ID with the ID stored in the BCM.

BCM Network Input Messages 

Broadcast Message Originating Module Message Purpose
PATS status enable/disable target data PCM This is a response from the PCM to the BCM request. The BCM compares the PCM ID to the ID stored within the BCM. If the PCM ID response is correct, the vehicle is allowed to start.
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