Includes a subset of messages and connector specifications (typically J1939-13) to satisfy EPA, EU, and California regulated On-Board Diagnostics (OBD) requirements. Technical Capabilities
Because this is a copyrighted technical standard, it is typically not available for free as a full PDF. You can purchase the official document or access its summary through the SAE International Standards Store Sae J1939-73 Pdf
Allows service tools to read fault codes that occurred in the past but are no longer active. Clearing DTCs: Includes a subset of messages and connector specifications
The (FMI list) is often the most referenced page in any mechanic’s toolkit. Sae J1939-73 Pdf