OBDSTAR (M079) | MTU 10-pins OBD – 16-pins OBD2 Adapter Cable | Motorboat
Warranty directly via AsTools
Warranty directly via AsTools
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2 years warranty on all products
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Easy returns
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The OBDSTAR M079 connects the round 10-pin MTU diagnostic connector to the 16-pin OBD2 (J1962) port on your OBDSTAR device. On the engine side, the round 10-pin plug connects to the diagnostic port of the MTU engine.
MTU marine engines do not feature a standard OBD2 port. The cable converts the pin configuration of the 10-pin connector electrically to the corresponding OBD2 pins. It functions solely as a passive pin-to-pin connection and contains no active electronics, preventing signal distortion or additional latency. What the cable enables is communication with the engine control unit (ECU) of the MTU engine. Which diagnostic functions work depends on the connected OBDSTAR device and the MTU protocols supported by the associated software.
KEY BENEFITS
IMPORTANT NOTES
Applications and functionality
Via the 10-pin connector, you can access the engine control unit of the MTU motor.
Control units you can reach
- Engine control unit (ECU): The control unit of the MTU marine engine behind the 10-pin diagnostic port.
- Other modules: Whether additional units on board are accessible varies by installation and device.
What you can do
- Read fault codes: Retrieve stored and active fault codes from the ECU to diagnose engine problems.
- Clear fault codes: Remove fault codes from ECU memory after repair or maintenance.
- Display live data: Read engine parameters such as engine speed, temperature and pressure values in real time via the 10-pin port.
- Establish ECU communication: Set up the connection between the OBDSTAR device and the MTU engine control via the converted OBD2 interface.
- Please note: Which functions are actually available depends on MTU support in your OBDSTAR software.
Compatible vehicles and applications
The determining factor is the 10-pin MTU diagnostic connector, not the engine type. Only engines and vessels with this specific connector configuration are supported; model years are not specified by OBDSTAR.
- MTU: Marine engines with 10-pin diagnostic connector
Package contents
- 1x OBDSTAR (M079) | MTU 10-pin OBD – 16-pin OBD2 Adapter Cable | Marine
Technical specifications
| Specification | Description |
|---|---|
| Brand | OBDSTAR |
| Article number | M079 |
| Type | Adapter cable |
| Application | MTU 10-pin diagnostic connector on marine engine motors |
| Vehicle-side connector | MTU 10-pin OBD |
| Device-side connector | 16-pin OBD2 |
| Control units | Engine control unit (ECU) |
| Segment | Marine engine |
| Supported brands | MTU |
| Model range | Not delimited by year of manufacture; determined by the presence of the 10-pin MTU connector |
| Required to use | OBDSTAR diagnostic device with marine coverage, such as the Marine Master or an iScan variant |
| Additionally required | None; the cable is passively wired and operates without power supply |
| Weight | 0.1 kg |






