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J1939 |
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| The J1939 standard is a recommended pratice for serial control and communications for light, medium, and heavy duty vehicles. The main purpose of J1939 is to allow ECUs to communicate together by defining a common message structure. J1939 is issued by the 'Truck Bus Control and Communication Network' Committee. |
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| The J1939 document serves as the parent document for the specification. It includes tables for source addresses, preferred addresses, function codes and industry groups. |
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