Jaltest (JDC551A) | Liebherr 6-pins OBD – 16-pins OBD2 Adapter Cable | Off-road and Construction Machine
Warranty directly via AsTools
Warranty directly via AsTools
We handle warranty cases ourselves, quickly and without involving the manufacturer. Thanks to our own parts inventory and technical expertise, we can usually assist you immediately. Only in exceptional cases do we still send the product to the supplier.
2 years warranty on all products
2 years warranty on all products
All our products come with a 2-year factory warranty. This ensures you long-lasting quality and service.
Easy returns
Easy returns
You can easily request your return through your account. We will send you the return label by email. Return shipping costs are your responsibility.
Professional customer service
Professional customer service
Our experts are ready to help you quickly and professionally, both online and in our physical store. Questions? Feel free to contact us!
The Jaltest JDC551A is an Adapter Cable designed to establish a connection between a Jaltest diagnostic interface and the specific diagnostic port of Liebherr vehicles. This cable is equipped with a vehicle-specific Liebherr 6-pin connector on one end and a standardized 16-pin OBD2 connector on the other end. The cable is developed for use in diagnosis, maintenance, and calibration of off-road and construction machinery.
This diagnostic cable supports communication with various electronic systems integrated into Liebherr machines, such as the engine management system and other control units. Using this cable in combination with the Jaltest OHW (Off-Highway) software enables reading fault codes, monitoring live data, performing actuator tests, and configuring system-specific parameters.
Application and functionality:
The JDC551A Adapter Cable is intended to create a direct and stable communication link between the Jaltest Link interface and Liebherr machines.
- Diagnostic connection: Enables communication between the Jaltest diagnostic interface and the 6-pin diagnostic port of Liebherr machines.
- System support: Provides access to the vehicle's electronic control systems for performing comprehensive diagnostic tasks.
- Data exchange: Facilitates reading and clearing fault codes, displaying real-time system data, and performing component actuations and calibrations.
Compatible vehicles and applications:
This Adapter Cable is specifically developed for use with heavy machinery from Liebherr equipped with the corresponding diagnostic connector.
Liebherr:
- Various models of off-road and construction machines equipped with a rectangular 6-pin diagnostic connector.
Important: Before purchasing the product, always check your vehicle’s connector. This may vary by model and year of manufacture.
Package Contents:
- 1x Jaltest (JDC551A) | Liebherr 6-pin OBD – 16-pin OBD2 Adapter Cable | Off-Road and Construction Machine
Technical specifications:
| Specification | Description |
|---|---|
| Product Brand | Jaltest |
| Product Model | JDC551A |
| Vehicle-side Connector | Liebherr 6-pin (rectangular) |
| Adapter-side Connector | 16-pin OBD2 (female) |

To ensure that you always have access to the latest updates and software for your Jaltest device, it is important that you register the correct distributor.
Only the registered distributor can perform new software and updates. When you appoint us as your distributor, we can take care of this for you and guarantee that your device remains up-to-date without any issues.
How does it work?
-
Download and fill in the change form
You can find the form as a PDF file here. -
Send the completed form to us
This can easily be done by email to support@astools.eu. -
We take care of the rest
With the form, we at Jaltest can submit the change and officially register you as our customer.






