Sae J193973 Pdf Exclusive -
That standard covers DM1 (active DTCs), DM2 (previously active DTCs), DM3 (clear DTCs), DM4 (freeze frame), etc. It's widely used in commercial vehicle diagnostics.
: Recent revisions added specific FMIs like FMI 20 (Data Drifted High) and FMI 21 (Data Drifted Low). Resources for Implementation sae j193973 pdf exclusive
Disclaimer: This article is for informational purposes. SAE International retains all copyrights to the J1939 series of standards. Always obtain documents from official SAE channels. That standard covers DM1 (active DTCs), DM2 (previously
If you're interested in obtaining the SAE J1939.73 PDF, please visit the official SAE website or contact their customer support team for more information. That standard covers DM1 (active DTCs)

