SAE J1939/73 is the standard for the Application Layer - Diagnostics within the SAE J1939 family, primarily used in heavy-duty vehicles like trucks and buses . It defines the specific messages and data structures required to identify faults, manage diagnostic trouble codes (DTCs), and interface with external service tools . Core Functions and Capabilities
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Memory Access: It defines protocols for DM14 through DM18 messages, which allow tools to read and write to specific memory locations within an ECU for calibration or specialized testing. SAE J1939/73 is the standard for the Application
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Could you double-check the document number and clarify what you need? I'll be happy to help with the correct topic. Memory Access: It defines protocols for DM14 through
Licensing: You must purchase the PDF directly from the SAE International website.