What is the Difference Between J1939 Connector Type 1 and 2?

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 SAE J1939 (hereinafter referred to as J1939) is the recommended standard of the American Society of Automotive Engineers (SAE). It is controlled and communicated by the "Truck and Bus Electrical & Electronics Committee" (Track & Bus Electrical & Electronics Committee). Developed and written by the Track & Bus Control and Communications Network Subcommittee. J1939 has become a recognized industry standard and choice for commercial vehicle diagnostics and data communication heavy, off-highway, truck, bus, ship propulsion, power generation, industrial pumping, construction, and material handling machinery.

What is the Difference Between J1939 Connector Type 1 and 2?

J1939 is a high-level protocol network (CAN) based on Controller Area. It is widely used by the diesel engine industry to provide diagnostic data such as vehicle engine speed, temperature, oil temperature, exhaust emissions, and other customizable options.


J1939 connectors are divided into black and green rubber cores, but do you know the difference between the two? The picture below lists the differences and similarities for you.

What is the Difference Between J1939 Connector Type 1 and 2?

Yeahui factory provides a wide range of custom cable assembly with J1939 Deutsch connector, like J1939 Y harness, J1939 to OBDII cable for auto diagnostic tool and vehicle tracking devices. Contact us for your request now!

More about NEWS(OBD-II pin Definition).

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