In this post, I would like to address what is arguably the most important concept in the SAE J1939 standard: the Parameter Group Number (PGN). PGNs are the heart and soul of J1939. Every application you design, whether it transmits engine speed, requests a VIN, or reports diagnostic information, revolves…
Posts tagged as “ECU development”
When I published Comprehensible Guide to J1939 several years ago, I honestly didn’t know what to expect. Today, it continues to sell well, and I still receive emails from engineers telling me it helped them finally understand SAE J1939 after struggling with the official documentation. That feedback has always meant…
