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Jaltest  |  SKU: JDC216A9 / 5.14.2

Jaltest (JDC216A9) | 3+3-pins J1939 - 16-pins OBD2 Adapter Cable | Commercial and Work Vehicle

€114,95 incl.

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The Jaltest JDC216A9 is the adapter cable connecting the 3+3-pin inline connector in the pass-through J1939 backbone to the 16-pin OBD2 port of your Jaltest diagnostic cable. The adapter is inserted into that backbone: because it has both a male and female side, the cable run between the control units remains connected during measurement. At 28-30 cm in length, you work right at the connector itself, which sits in the pass-through cable run and therefore isn't always accessible from the cab.

Behind this connector lies the J1939 data network where the machine's control units communicate with each other. Once the adapter is inserted, the Jaltest equipment connects to that bus and reaches the control units listening on it; which ones depends on your machine and the modules in your license. On commercial and work vehicles without a dedicated diagnostic port, this connector is your entry point to the bus. The cable falls under Jaltest CV (commercial vehicles).

KEY BENEFITS

✔Access to the J1939 data network on machines without a dedicated diagnostic port.
✔3+3-pin design: The adapter inserts into the existing backbone, which remains connected throughout.
✔Widely compatible across commercial and work vehicles, since J1939 is an open standard.
✔Terminates in 16-pin OBD2 and connects directly to the standard diagnostic cable of the Link.

IMPORTANT NOTES

✕Requires an accessible J1939 backbone connector; not all machines have one in a convenient location.
✕Short adapter at 28-30 cm: You work right at the connector itself.
✕Only for the 3-pin inline connector in the J1939 backbone; systems with their own diagnostic connector are accessible via the included adapter cable.
✕Requires a Jaltest Link with valid CV license; what you see depends on the control units on the bus and the modules in your license.

Applications and features

Via the backbone you access the J1939 bus. Which control units listen in on it varies by machine.

Control units you can access

  • The control units on the J1939 bus: Which units listen in varies by machine and manufacturer.
  • Measuring with the bus intact: The connection between those control units remains active during measurement.

What you can do

  • Read and clear fault codes: Download the fault memory from connected control units and clear it after repair.
  • View live data: Monitor current sensor and system values in real time.
  • Activate components: Trigger actuators to verify their operation.
  • Parameters, calibrations and service resets: Where Jaltest offers them for the relevant system.
  • Please note: Which of these functions you see is determined by the vehicle and the modules in your license — not by this cable.

Compatible vehicles and applications

The connector type is what matters, not the brand. This adapter fits any commercial or work vehicle with a J1939 backbone featuring 3-pin inline couplers; check on-site whether that coupling is accessible on your vehicle.

  • Commercial and work vehicles with a J1939 backbone with 3-pin inline couplers
  • All manufacturers using this open standard
  • Machines without a separate diagnostic port, where the backbone is the only connection point
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Good to know: The backbone coupler sits in the continuous J1939 cable run and isn't always located in the cab. Not every machine has an accessible 3-pin coupler. Check which connector your vehicle has before ordering.

Package contents

  • 1x Jaltest (JDC216A9) | 3+3-pins J1939 - 16-pins OBD2 Adapter Cable | Commercial and Work Vehicle

Technical specifications

Specification Description
Brand Jaltest (Cojali)
Reference Number JDC216A9
Type Adapter Cable (backbone adapter)
Application Diagnostics via J1939 backbone
Vehicle-Side Connection 3+3-pin J1939 (inline in the backbone)
Interface-Side Connection 16-pin OBD2
Control Units The control units on the J1939 bus; which ones varies depending on the machine
Cable Length 28-30 cm (per Jaltest catalog specifications)
Link Version V9
Segment Commercial and Work Vehicles
Jaltest Module Jaltest CV (commercial vehicles)
Part of Cable Set Not included in a cable set; sold separately in the Jaltest catalog
Required to Use Jaltest Link with valid software license