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The data parameters (SPs) and messages (PGs) previously published within this document are published in SAE J1939DA. Applications using the SAE J1939-75 document must refer to SAE J1939DA for the SAE J1939 parameters and messages for monitoring and controlling the power units, e.g., engines and turbines, that power the generators and driven industrial equipment.

The flexible data rate capability in CAN (commonly called CAN FD) is implemented as a transport layer in order to allow for functional safety, cybersecurity, extended transport capability, and backward compatibility with SAE J1939DA.

The data parameters (SPs), messages (PGs), reference figures, and information previously published within this document are now published in SAE J1939DA. There are several SAE J1939-7X documents that collectively define all of the SAE J1939 application layer data parameters and messages.

When mapped on this model, the services specified are broken into: Diagnostic services (layer 7), specified in: ○ ISO 14229-1 ○ SAE J1979-2 OBDonUDS Presentation layer (layer 6), specified in: ○ SAE J1930, SAE J1930DA ○ SAE J1979DA ○ SAE J2012, SAE J2012DA ○ SAE J1939DA, SAE J1939-73 Session layer services (layer 5), specified in: ○ ISO 14229-2 Transport layer services (layer 4), specified in: ○ DoCAN: ISO 15765-2 Transport protocol and network layer services ○ ISO 15765-4 ○ DoIP: ISO 13400-2 Road vehicles - Diagnostic communication over Internet Protocol (DoIP) - Part 2:Transport protocol and network layer services Network layer services (layer 3), specified in: ○ DoCAN: ISO 15765-2 Transport protocol and network layer services ○ ISO 15765-4 Requirements for emissions related systems ○ DoIP: ISO 13400-2 Road vehicles - Diagnostic communication over Internet Protocol (DoIP) - Part 2:Transport protocol and network layer services Data link layer (layer 2), specified in: ○ DoCAN: ISO 15765-4, ISO 11898-1, -2 ○ DoIP: ISO 13400-3 Road vehicles - Diagnostic communication over Internet Protocol (DoIP) - Part 3: Wired vehicle interface based on IEEE 802.3 Physical layer (layer 1), specified in: ○ DoCAN: ISO 15765-4, ISO 11898-1, -2, in accordance with Table 1 ○ DoIP: ISO 13400-3 Road vehicles - Diagnostic communication over Internet Protocol (DoIP) - Part 3: Wired vehicle interface based on IEEE 802.3

When mapped on this model, the services specified are broken into: Application (layer 7), specified in: ○ ISO 14229-1, ISO 14229-3 UDSonCAN, or ISO 14229-5 UDSonIP ○ SAE J1979-3 ZEVonUDS Presentation layer (layer 6), specified in: ○ SAE J1930, SAE J1930DA ○ SAE J1979DA ○ SAE J2012, SAE J2012DA ○ SAE J1939DA, SAE J1939-73 Session layer services (layer 5), specified in: ○ ISO 14229-2 Transport layer services (layer 4), specified in: ○ DoCAN: ISO 15765-2 Transport protocol and network layer services ○ ISO 15765-4 Requirements for emissions related systems ○ DoIP: ISO 13400-2 Road vehicles - Diagnostic communication over Internet Protocol (DoIP) - Part 2: Transport protocol and network layer services Network layer services (layer 3), specified in: ○ DoCAN: ISO 15765-2 Transport protocol and network layer services ○ ISO 15765-4 Requirements for emissions related systems ○ DoIP: ISO 13400-2 Road vehicles - Diagnostic communication over Internet Protocol (DoIP) - Part 2: Transport protocol and network layer services Data link layer (layer 2), specified in: ○ DoCAN: ISO 15765-4, ISO 11898-1, -2 ○ DoIP: ISO 13400-3 Road vehicles - Diagnostic communication over Internet Protocol (DoIP) - Part 3: Wired vehicle interface based on IEEE 802.3 Physical layer (layer 1), specified in: ○ DoCAN: ISO 15765-4, ISO 11898-1, -2, in accordance with Table 1 ○ DoIP: ISO 13400-3 Road vehicles - Diagnostic communication over Internet Protocol (DoIP) - Part 3: Wired vehicle interface based on IEEE 802.3 ○ ISO 13400-4 Road vehicles - Diagnostic communication over Internet Protocol (DoIP) - Part 4: Ethernet-based high-speed data link connector ○ SAE J1962 Diagnostic Connector NOTE: SAE J1979-3 provides a standard to satisfy known country-specific certification regulations.

The flexible data rate capability in CAN (commonly called CAN FD) is implemented as a transport layer in order to allow for functional safety, cybersecurity, extended transport capability, and backward compatibility with SAE J1939DA.

The flexible data rate capability in CAN (commonly called CAN FD) is implemented as a transport layer in order to allow for functional safety, cybersecurity, extended transport capability, and backward compatibility with SAE J1939DA.

The data parameters (SPNs), messages (PGNs) and reference figures and information previously published within this document are now published in SAE J1939DA. There are several SAE J1939-7X documents that collectively define all of the SAE J1939 application layer data parameters and messages.

The data parameters (SPNs) and messages (PGNs) previously published within this document are now published in SAE J1939DA. The reference figures and reference information for the SPNs and PGNs associated with the SAE J1939-71 document are published in this document.

When mapped on this model, the services specified are broken into: Application (layer 7), specified in: ○ ISO 14229-1, ISO 14229-3 UDSonCAN, or ISO 14229-5 UDSonIP ○ SAE J1979-3 ZEVonUDS Presentation layer (layer 6), specified in: ○ SAE J1930, SAE J1930DA ○ SAE J1979DA ○ SAE J2012, SAE J2012DA ○ SAE J1939DA, SAE J1939-73 Session layer services (layer 5), specified in: ○ ISO 14229-2 Transport layer services (layer 4), specified in: ○ DoCAN: ISO 15765-2 Transport protocol and network layer services ○ ISO 15765-4 Requirements for emissions related systems ○ DoIP: ISO 13400-2 Road vehicles - Diagnostic communication over Internet Protocol (DoIP) - Part 2: Transport protocol and network layer services Network layer services (layer 3), specified in: ○ DoCAN: ISO 15765-2 Transport protocol and network layer services ○ ISO 15765-4 Requirements for emissions related systems ○ DoIP: ISO 13400-2 Road vehicles - Diagnostic communication over Internet Protocol (DoIP) - Part 2: Transport protocol and network layer services Data link layer (layer 2), specified in: ○ DoCAN: ISO 15765-4, ISO 11898-1, -2 ○ DoIP: ISO 13400-3 Road vehicles - Diagnostic communication over Internet Protocol (DoIP) - Part 3: Wired vehicle interface based on IEEE 802.3 Physical layer (layer 1), specified in: ○ DoCAN: ISO 15765-4, ISO 11898-1, -2, in accordance with Table 1 ○ DoIP: ISO 13400-3 Road vehicles - Diagnostic communication over Internet Protocol (DoIP) - Part 3: Wired vehicle interface based on IEEE 802.3 ○ ISO 13400-4 Road vehicles - Diagnostic communication over Internet Protocol (DoIP) - Part 4: Ethernet-based high-speed data link connector ○ SAE J1962 Diagnostic Connector NOTE: SAE J1979-3 provides a standard to satisfy known country-specific certification regulations.

Data in Table A5B reflects the content of SAE J1939-DA of February 2015. Section A.10 was added to describe processing for PGNs that are only supported by some of the OBD modules under test.