This article is part of our comprehensive SAE J1939 online documentation. The primary document describing the J1939 message format is SAE J1939/21 – Data Link Layer. This specification defines the use of the CAN data frame (29-bit identifier, Parameter Group Numbers – PGN, etc.) as well as the transport protocol…
Posts published in “SAE J1939 Online Book”
This article is part of our comprehensive SAE J1939 online documentation. The SAE J1939 Standards Collection serves as the comprehensive framework for communication and control within truck, bus, and off-road vehicle networks. It defines how electronic control units (ECUs) exchange data over the Controller Area Network (CAN), detailing message structures,…
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,…
