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Connected ECUs

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Several ECUs are connected to each of the two networks. The gauge control module is part of both networks since it is the "gateway" between them. Here is a list of ECUs and the network they are connected to.

B-CAN ECUs 

F-CAN ECUs 

Fig 1: Gauge Control Module Communication Diagram
G05968641Courtesy of AMERICAN HONDA MOTOR CO., INC.