Universal 9-pin J1939 – 16-pin OBD2 Adapter Cable | Commercial and Work Vehicle
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2 years warranty on all products
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Easy returns
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The Universal 9-pin J1939 adapter cable is essential for connecting heavy commercial vehicles and work equipment to universal diagnostic equipment. This adapter forms the physical interface between the round 9-pin Deutsch connector, standard in the transport and industrial sectors, and the 16-pin OBD2 connection of modern reading devices. The cable is specifically developed for applications requiring robust communication connections in trucks, buses, and earthmoving machines.
This passive interface facilitates data transfer according to the SAE J1939 protocol, enabling communication between the vehicle's Electronic Control Unit (ECU) and the diagnostic tool. The vehicle-side connector features a rotatable locking ring that ensures a vibration-resistant connection during static diagnostics or test drives. The internal pin configuration correctly converts the CAN bus signals, power, and ground to the corresponding pins of the OBD2 plug without the need for active electronics.
ADVANTAGES
KEY POINTS
Applications and functionalities
This adapter cable allows universal OBD2 scanners with Heavy Duty software to connect to vehicles with a round 9-pin connector. Functionality depends on the diagnostic software used.
- Signal transmission: Physical pass-through of CAN High and CAN Low signals from the J1939 bus.
- Power connection: Pass-through of battery voltage (often 24V in trucks) to the diagnostic tool.
- Diagnostic port conversion: Adapter from the industrial Deutsch 9-pin female connector to the standard OBD2 male interface.
Compatible vehicles and applications
The Adapter is universally applicable to vehicles and engines using the standard SAE J1939 9-pin diagnostic port (Type 1). This is common in American and European heavy vehicles.
Brands (Indicative):
- Caterpillar: Various industrial engines and excavators
- Cummins: Engines in various applications
- DAF: Trucks (depending on model year)
- Freightliner: Various models
- International: Various models
- Kenworth: Various models
- Mack: Various models
- Peterbilt: Various models
- Volvo: Trucks and buses (Older generations with J1939)
Package Contents
- 1x Universal 9-pin J1939 – 16-pin OBD2 Adapter Cable | Commercial and Work Vehicle
