I have long been a vocal critic of the barely readable standards issued by SAE International. And to be fair, SAE is hardly alone—standards bodies, as a species, seem united by a peculiar compulsion: the need to prove their intellectual worth by rendering their documents as impenetrable as possible. Clarity,…
Posts tagged as “SAE J1939-22”
Executive Summary The global shift toward electrification in the commercial vehicle sector, particularly in medium- and heavy-duty trucks, is reshaping automotive communication standards. SAE J1939, the de facto standard for vehicle network communication in diesel-powered commercial vehicles, now faces a new challenge—and opportunity—as electric trucks become more prominent. This report…
The Society of Automotive Engineers (SAE) J1939 standards define a communication protocol for networking and diagnostics among electronic control units (ECUs) in heavy-duty vehicles. With advancements in vehicle electronics and the need for higher data transmission rates, the SAE introduced updates to the J1939 standard to incorporate the capabilities of…



