ECU 55263694 – what to know
We offer a working MJD 8F3.QF unit (Magneti Marelli) with part number 55263694. It controls the engine of the Fiat Fiorino 1.3 Multijet. We test every unit before dispatch.
Label data of ECU 55263694
- Part number: 55263694
- ECU type: Magneti Marelli MJD 8F3.QF / MJD8F3.QF
The type may be written with a space (MJD 8F3.QF) or without it (MJD8F3.QF) – it is the same type.
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.
Possible symptoms of a faulty ECU
- the engine does not start, no injector control,
- no communication with the ECU during diagnostics,
- no power supply to the ECU although the fuses are fine,
- failure after water ingress or a short circuit in the wiring.
These symptoms can also have other causes – wiring, power supply or sensors. Run a diagnosis before buying.
How to check compatibility
This ECU fits the Fiat Fiorino 1.3 Multijet. The safest way is to compare labels: part number 55263694 and marking MJD 8F3.QF 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.
Virgin version – no programming
We ship ECU 55263694 as Virgin. After fitting, it codes itself to the car and immobiliser – no programming is needed, as long as the part number matches and the immobiliser works.
On request we prepare an IMMO OFF version. The car will drive, but a red immobiliser warning stays on the dashboard and a fault remains in diagnostics that you cannot clear without pairing with the immobiliser. That is why we recommend Virgin.
If your ECU has a different part number, check 51918363 MJD 8F3.F5, 55260726 MJD 8F3.D5, 55249217 MJD 8F3.X1, 55266285 MJD 8F3.X3 or the whole Fiat engine ECU category. About the manufacturer: FPT.
FAQ: 55263694 (MJD 8F3.QF)
Does ECU 55263694 fit my car?
Check the label of your ECU: part number 55263694 and marking MJD 8F3.QF. If the numbers match, the ECU fits – the car model alone does not decide this.
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Does the Virgin MJD 8F3.QF need programming?
No. After fitting, ECU 55263694 codes itself to the car and immobiliser. The condition is a working immobiliser and a matching part number.
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Should I choose Virgin or IMMO OFF?
We recommend Virgin. IMMO OFF lets you drive, but leaves a red immobiliser warning on the dashboard and a fault in diagnostics that you cannot clear without pairing with the immobiliser.
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What is the warranty on ECU 55263694?
The warranty is 6 months. Before dispatch, the ECU passes a bench test and a test in our test car.
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