55266282 MJD 873.D5 – 1.3 Multijet engine ECU
Part number 55266282 identifies a Magneti Marelli MJD 873.D5 ECU for the Fiat Doblo 1.3 Multijet. Before shipping, we check it on the bench and in our test car.
Fitting without programming
Virgin Plug & Play means that once connected, the ECU adapts itself to the car and immobiliser. Two things are needed: the same part number (55266282) and a working immobiliser.
The IMMO OFF version is available on request, but it leaves a red immobiliser warning on the dashboard and a fault in diagnostics that cannot be removed without pairing with the immobiliser. Virgin has no such fault.
Numbers to compare with your label
The housing of the original ECU carries a sticker with its numbers. On this unit they are:
- Part number: 55266282
- ECU type: Magneti Marelli MJD 873.D5 / MJD873.D5
When the ECU may be faulty
An engine ECU failure may show up as:
- no start and no signal at the injectors,
- the diagnostic tool cannot connect to the ECU,
- the ECU gets no power even though the fuses are OK,
- problems after water damage or a short in the wiring.
Faults in the wiring, power supply or sensors can cause similar symptoms, so run a diagnosis before you buy.
Tests, options and warranty
- Every ECU is tested on the bench and fitted to our test car before dispatch.
- Paid extra options: EGR OFF and DPF OFF.
- Warranty: 6 months.
How to check compatibility
This unit comes from a Fiat Doblo 1.3 Multijet. The safest way is to compare labels: part number 55266282 and marking MJD 873.D5 must be the same as on your ECU. If the number differs, it is a different version – look for your number in the category or ask us.
Looking for a different number? See also: 51806333 MJD 6F3.A4, 51806501 MJD 6F3.P6, 51812866 MJD 6F3.H1, 51806506 MJD 6F3.PB. The full range is in the Fiat engine ECU category, and the FPT page tells you more about the manufacturer.
FAQ: 55266282 (MJD 873.D5)
How do I know that 55266282 will fit?
Check the sticker on your ECU. If it shows number 55266282 and type MJD 873.D5, it is the same version. The car model and year alone are not enough.
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Is it enough to just fit ECU 55266282?
Yes, if the part number matches and the immobiliser works. After fitting, the Virgin version codes itself to the car and immobiliser, with no programming.
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Can I order extra services for ECU 55266282?
Yes, for an extra charge we carry out EGR OFF and DPF OFF. These options are done on request before dispatch.
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How do you test ECU 55266282?
We check every unit on the bench and then fit it to our test car. The warranty is 6 months.
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