Browse Publications Technical Papers 2005-01-3604
2005-11-01

OBD Communication Concepts for J1939 Systems 2005-01-3604

As regulations for on-board diagnostics head toward the heavy-duty trucking industry, there are a variety of new communication concepts that will directly impact J1939 systems. ECUs on J1939 networks must support new standard diagnostic protocols and data. Vehicles must provide single-point access for concise OBD data sets that represent multiple ECUs. New technologies, such as wireless communication links, present completely new and different scenarios for diagnostic testing. Understanding these concepts and their implications is essential to designing a J1939 system that will integrate into the coming global OBD infrastructure.

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