The Complete Guide to the 2007–2014 Nissan Dualis Engine ECU: MEC93-890 / BEM210-400 / H8 Genuine OEM
Welcome to AutoManSpareParts.com—your premier source for high-quality, genuine OEM Engine Control Units (ECUs) and auto spare parts. We are proud to be the No. 1 trusted supplier in the USA, offering the cheapest rates and fast global shipping on a huge range of original control modules. This guide provides all the essential information on the critical ECU for your Nissan Dualis.
Understanding the Nissan Dualis J10 ECU
The Engine Control Unit (ECU), also known as the Engine Control Module (ECM) or Powertrain Control Module (PCM), is the brain of your vehicle. For the popular 2007–2014 Nissan Dualis (known as the Nissan Qashqai in some regions), a specific set of genuine OEM units manage everything from fuel injection and ignition timing to emissions and overall engine performance.
The Key OEM Part Numbers
The primary ECU for the specified models often carries the following genuine OEM part numbers, which are typically manufactured by Hitachi for Nissan:
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MEC93-890 (often appears with suffixes like D1 2306)
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BEM210-400 (This is a similar series/cross-reference)
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H8 (Often a sub-part or revision code)
These parts are vital for the reliable operation of the 2.0L Petrol Automatic J10 models.
Symptoms of a Faulty ECU
A malfunctioning ECU can lead to a host of serious issues, making replacement essential for vehicle safety and performance. Watch out for these common signs:
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Engine Misfiring or No-Start Condition: The engine may crank but fail to start, or experience severe misfires while running.
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Rough Idling or Stalling: Poor control over the air/fuel mixture can cause the engine to idle erratically or stall unexpectedly.
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Illuminated Check Engine Light (CEL): While this can indicate many issues, consistent or severe engine codes are often traced back to the ECU.
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Transmission Shifting Issues: In automatic models, a failing ECU can impact the control signals sent to the transmission control unit.
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Poor Fuel Efficiency and Loss of Power: Suboptimal fuel and ignition management will directly result in reduced performance and increased consumption.
Programming Requirements for Replacement
Does the replacement ECU need programming?
Yes, the replacement of the MEC93-890 / BEM210-400 series ECU almost always requires programming.
New or used ECU units from a different vehicle need to be paired with your car's security system and correct operational data. This process includes:
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Immobilizer Synchronization (Immo-Coding): The ECU must be synchronized with your vehicle's Immobilizer and BCM (Body Control Module) to allow the car to start. Without this, the vehicle will not crank or run.
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VIN Writing: The Vehicle Identification Number (VIN) is often written into the new ECU for correct vehicle identification.
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Key Coding: Your car keys may need to be re-coded to the new security data in the ECU/Immobilizer system.
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Calibration Update: Ensuring the ECU has the latest factory software calibration for optimal performance.
AutoMan Spare Parts offers a solution: We can often provide pre-programmed, "Plug-and-Play" units or "Virgin" ECUs upon request, provided you supply your original unit and VIN for cloning services. Contact our support team for specialized programming guidance.
Compatibility Table: Nissan Dualis J10 ECU
To ensure a perfect fit, you must match the part number on your original unit. The primary compatibility details are as follows:
| Vehicle Model | Engine Type | Transmission | Year Range | Primary OEM Part Numbers |
| Nissan Dualis (J10) | 2.0L Petrol | Automatic | 10/2007 – 2014 | MEC93-890 / BEM210-400 / H8 |
| Nissan Qashqai (J10) | 2.0L Petrol | Automatic | 2007 – 2013 | MEC93-890 Series (Verify VIN) |
Note: Always verify compatibility by matching the full OEM part number on your existing unit. Variations exist based on the specific year, trim, and market (e.g., manual vs. automatic, or different engine types). Use your VIN (Vehicle Identification Number) when consulting with our support team for a 100% guarantee.
Frequently Asked Questions (FAQ)
| Question | Answer |
| Is the MEC93-890 a genuine OEM part? | Yes, the MEC93-890 is a genuine OEM ECU, typically manufactured by Nissan/Hitachi. |
| Will my Dualis start after replacing the ECU? | No, unless it is a pre-programmed 'Plug-and-Play' unit, it will require immobilizer programming before the car can start and run correctly. |
| Do you offer a warranty on the ECU? | Yes, AutoMan Spare Parts provides a comprehensive warranty on all genuine, professionally tested ECU units. |
| How fast is global shipping? | We offer fast global shipping with tracking, ensuring your ECU arrives quickly anywhere in the world. |
TL;DR
The Nissan Dualis J10 (2007–2014) Engine ECU (MEC93-890 / BEM210-400 / H8) is a critical component for 2.0L petrol automatic models. Replacement requires immobilizer programming/syncing. AutoMan Spare Parts is the No. 1 OEM supplier in the USA, guaranteeing genuine parts, the cheapest rates, and fast worldwide delivery.
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