Vendors's code: 55255966
Product code: MJD8F3Q4
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Shipping costs are not included in the price.
express delivery 3-6 days
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The 55255966 MJD8F3.Q4 engine control unit in VIRGIN condition, ready for installation in Plug & Play mode. Once installed in the vehicle, it automatically synchronises with the immobiliser – no additional programming
We offer an original 55255966 MJD8F3.Q4 ECU ENGINE CONTROLLER prepared in VIRGIN mode for Fiat Qubo 1.3 Multijet / 1.3 JTD vehicles. The module has been professionally reset, fully electronically tested, and prepared for automatic adaptation in the vehicle.
After installation, the ECU automatically programs itself to the vehicle and synchronizes with the immobiliser system without the need for cloning the old controller. The product is fully tested, ready for installation, and covered by warranty.
Part number: 55255966
Software version: MJD8F3.Q4
Manufacturer: Magneti Marelli
Engine type: 1.3 Multijet / 1.3 JTD / 1.3 D Multijet
Engine capacity: 1248 cm³
This ECU may be compatible with the following vehicles:
Approximate production years: 2008–2016
Compatibility should always be confirmed using the exact part number 55255966 and ECU version MJD8F3.Q4.
VIRGIN – the ECU is reset to factory condition and automatically adapts to the vehicle.
DPF OFF – diesel particulate filter deactivation available on request.
IMMO OFF – immobiliser deactivation available on request. The vehicle starts without immobiliser synchronization, although an immobiliser warning light or message may remain visible on the dashboard. This does not affect normal vehicle operation.
Does the 55255966 ECU require programming after installation?
No. The VIRGIN version is prepared for automatic vehicle adaptation. Once installed, the ECU programs itself to the vehicle automatically.
Which engines are compatible with the MJD8F3.Q4 ECU ENGINE CONTROLLER?
This ECU is designed for 1.3 Multijet / 1.3 JTD diesel engines with a 1248 cm³ capacity used in vehicles such as Fiat Qubo, Fiorino, Punto, and Doblo.
Is the 55255966 ECU compatible with Fiat Fiorino 1.3 Multijet?
Yes, this ECU is commonly used in Fiat Fiorino 1.3 Multijet models. Exact compatibility should always be confirmed by matching the part number and ECU version.
Can IMMO OFF be done on the 55255966 MJD8F3.Q4 ECU?
Yes, we can prepare the ECU in IMMO OFF version on request. The immobiliser system is disabled, allowing the vehicle to start without key programming or immobiliser synchronization.
How can I identify a faulty MJD8F3.Q4 ECU ENGINE CONTROLLER?
Typical symptoms include no diagnostic communication, engine no-start condition, CAN communication faults, injector control problems, or the engine shutting off while driving.
Is the 55255966 ECU tested before shipping?
Yes. Every ECU ENGINE CONTROLLER is fully electronically tested before shipment. Communication, power supply, and core module functions are verified to ensure the unit is ready for installation.
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