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Home >> Audi >> 2012 >> S5 4.2, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Generic Scan Tool (CAUA) (1 Of 2) (Coupe) >> Generic Scan Tool >> Description And Operation >> Controller Area Network (Can) >> Broadcast Communication

Broadcast Communication

Each of the devices on the network has a CAN circuit and is therefore is considered "intelligent". All devices on the network see all transmitted messages. Each device can determine if a message is relevant or if it should be filtered out. This structure allows modifications to CAN networks with minimal impact. Additional non-transmitting nodes can be added without modification to the network.