Jaltest (JDC528A) | Volvo Penta 8-pins OBD - 16-pins OBD2 adapter cable | Combustion engine
Warranty handled directly by AsTools
Warranty handled directly by AsTools
We handle warranty cases ourselves, quickly and without the intervention of the manufacturer. Thanks to our own parts inventory and technical expertise, we can usually help 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 way, you are assured of long-lasting quality and service.
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Easy returns via Returnless
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Professional customer service
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The Jaltest JDC528A is a diagnostic Adapter Cable specifically designed for Volvo Penta Internal combustion engines. This cable forms the physical connection between the 8-pin round diagnostic connector of the engine and a standard 16-pin OBD2 port of a compatible diagnostic device. The construction is aimed at providing stable and correct data transfer between the engine control unit and the diagnostic tester.
By using this Adapter Cable, a technician can communicate with the Engine Control Unit (ECU) of the Volvo Penta engine using a universal diagnostic device. This enables extensive diagnostic functions, such as reading fault codes, analyzing live data from sensors, and performing system calibrations on engines not equipped with a direct OBD2 connection.
Application and functionality:
This cable is developed to establish communication between a diagnostic device and the specific diagnostic port of Volvo Penta engines.
- Diagnostic connection: Establishes a stable connection between the 8-pin port of the engine and the 16-pin OBD2 port of the diagnostic device.
- Protocol support: Facilitates communication for reading engine parameters, fault codes, and other system information available through this port.
- Compatibility: Suitable for use with Jaltest Marine and other diagnostic equipment that supports the relevant protocols for Volvo Penta.
Compatible vehicles and applications:
This Adapter Cable is designed for a range of Volvo Penta engines, mainly used in marine and industrial applications equipped with the 8-pins round diagnostic connector.
Volvo Penta:
- Diesel engines (among others): D3, D4, D6 series
- Gasoline engines (among others): 4.3, 5.0, 5.7, 8.1 with EGC (Electronic Gas Control) systems
Important: Before purchasing the product, always check your vehicle's connection. This may vary by model and year.
Package Contents:
- 1x Jaltest (JDC528A) | Volvo Penta 8-pins OBD - 16-pins OBD2 Adapter Cable | Internal combustion engine
Technical specifications:
| Specification | Description |
|---|---|
| Product brand | Jaltest |
| Product model | JDC528A |
| Vehicle connection side | Volvo Penta 8-pins round |
| Adapter Cable connection side | 16-pins OBD2 (J1962) 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?
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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.






