Sae J1939-73 Pdf __link__

California, EPA, and EU regulations also rely on a subset of the SAE J1939-73 standard to fulfill On-Board Diagnostics (OBD) requirements. Key Features Defined in the Standard

Clears active faults, though active hardware failures will immediately reappear in the DM1 stream. Anatomy of a J1939 Fault Code Sae J1939-73 Pdf

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 California, EPA, and EU regulations also rely on

Transmits active Diagnostic Trouble Codes (DTCs). Sae J1939-73 Pdf

Reports the status of onboard monitors and provides a count of active vs. historical DTCs.

"The Heavy-Duty Truck's Diagnostic Puzzle: Cracking the SAE J1939-73 Code"