In the world of embedded networking protocols, SAE J1939 and NMEA 2000 are two prominent standards used in heavy-duty vehicles and marine electronics, respectively. While they serve distinct industries, the two protocols are more closely related than many realize. In fact, NMEA 2000 is fundamentally based on SAE J1939, which…
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CAN Message Frames and SAE J1939 Integration
By Wilfried Voss on February 15, 2025
This article is part of our comprehensive SAE J1939 online documentation. The standard CAN message frame (CAN 2.0A) uses an 11-bit message identifier, which is sufficient for automobiles and industrial applications. However, off-road vehicles and heavy-duty applications require a more extensive identifier range. To meet these demands, the Society of…
