Jaltest (JDC520A) | Valtra 16-pins OBD – 16-pins OBD2 Adapter Cable | Agricultural Vehicle
Warranty directly via AsTools
Warranty directly via AsTools
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2 years warranty on all products
2 years warranty on all products
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Easy returns
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Professional customer service
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The Jaltest JDC520A is the cable that the brand-specific 16-pin diagnostic connector from Valtra-tractors converted to the standard 16-pin OBD2-connection. On the vehicle side, there's a 16-pin connector that plugs into the cab and has a different pin configuration than a standard OBD2 plug; on the interface side, there's a 16-pin OBD2 port for your Jaltest diagnostic cable. This connector is designed for the CAN-controlled generation with common-rail engines.
Once the connection is established, the Jaltest software accesses the engine control unit of the tractor. Jaltest performs two common-rail engine diagnostics here: The EEM3 - EDC 7 UC31 and the newer EEM4 - EDC 17 CV54, with additional actions also available on the EEM4. With both systems, maintenance intervals can be retrieved. Agricultural vehicles have never been required to use a standardized diagnostic connector, which is why this 16-pin plug remains in use alongside the older 8-pin version. The cable falls under Jaltest AGV (agricultural vehicles).
KEY BENEFITS
KEY POINTS
Applications and features
Through this 16-pin connection, you access the tractor's engine control unit with Jaltest software.
Control units you can access
- Engine management EEM3 - EDC 7 UC31, common rail: The first common-rail engine control of this Valtra generation.
- Engine management EEM4 - EDC 17 CV54, common rail: The newer electronic diesel control, with additional functions in Jaltest.
What you can do
- Read and clear fault codes: Access the control unit's fault memory, including descriptions of detected faults.
- View live data: Monitor current sensor values controlled by the control unit, with the ability to set alarm thresholds.
- Check service intervals: Review scheduled maintenance and required work, with a report for workshop records.
- Perform additional functions: Extra procedures available in Jaltest for this control unit. On Valtra, available on the EEM4 - EDC 17 CV54.
Compatible vehicles and applications
The connector type determines compatibility, not the model. This cable fits any Valtra tractor with the 16-pin diagnostic connector. Jaltest AGV covers the series listed below; check which connector is installed in your cab.
Valtra:
- Valtra N-series: (2005 - present)
- Valtra T-series: (2002 - present)
- Valtra S-series: (2001 - present)
- Valtra A-series: (2002 - present)
- Valtra M-series
Package Contents
- 1x Jaltest (JDC520A) | Valtra 16-pin OBD to 16-pin OBD2 Adapter Cable | Agricultural Vehicle
Technical Specifications
| Specification | Description |
|---|---|
| Brand | Jaltest (Cojali) |
| Reference Number | JDC520A |
| Type | Adapter Cable |
| Application | Valtra (16-pin connector) |
| Vehicle-Side Connector | 16-pin OBD |
| Interface-Side Connector | 16-pin OBD2 |
| Control Units | EEM3 - EDC 7 UC31 and EEM4 - EDC 17 CV54 (engine management) |
| Segment | Agricultural Vehicle |
| Jaltest Module | Jaltest AGV (agricultural vehicles) |
| Required to Use | Jaltest Link with valid software license |

To ensure you always have access to the latest software updates and releases for your Jaltest device, it's important that you register the correct distributor.
Only the authorized distributor can perform new software installations and updates. When you designate us as your distributor, we can handle this for you and guarantee that your device stays current and runs smoothly.
How does it work?
-
Download and complete the change form
You can find the form as a PDF file here. -
Send us the completed form
You can easily do this by email to support@astools.eu. -
We'll take care of the rest
With the form, we can notify Jaltest of the change and officially register you as our customer.






