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Network Message Chart - Power Windows (Without Memory Driver Seat)

Body Control Module B (BCM-B) Network Input Messages 

Broadcast Message Originating Module Message Purpose
Convertible top window drop command Movable Roof Control Module A (MRCMA) When the convertible top switch is activated, the Movable Roof Control Module A (MRCMA) sends a message to the Body Control Module B (BCM-B), which then sends a global open signal/command to fully open all windows.
Global open command BCM When the RKE transmitter is used to initiate a global open command, the BCM sends the message to the Body Control Module B (BCM-B) which then sends a global open signal/command to fully open all windows.