This article is part of our comprehensive SAE J1939 online documentation. The Society of Automotive Engineers (SAE) Truck and Bus Control and Communications Subcommittee has developed a comprehensive set of standards governing the design and implementation of devices that transmit electronic signals and control information among vehicle components. SAE J1939,…
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SAE J1939: A Higher-Layer Protocol for Heavy-Duty Vehicles
By Wilfried Voss on February 15, 2025
This article is part of our comprehensive SAE J1939 online documentation. SAE J1939 is a higher-layer protocol built on the Controller Area Network (CAN), enabling serial data communication between microprocessor-based Electronic Control Units (ECUs) in heavy-duty vehicles. CAN’s Strength in Reliability and Performance CAN is designed for maximum reliability and…
