Engine ECU 55249217 (MJD8F3.X1) – description
On this page you can buy ECU 55249217, a Magneti Marelli MJD 8F3.X1 unit intended for the Fiat Punto 1.3 Multijet. It goes through a function test before dispatch.
Part number and ECU type
The part number on the label is what matters most when ordering:
- Part number: 55249217
- ECU type: Magneti Marelli MJD 8F3.X1 / MJD8F3.X1
Coding to the immobiliser
- Virgin: the ECU codes itself after fitting – no programming, with a matching part number and a working immobiliser.
- IMMO OFF (on request): the car drives, but a red immobiliser warning is shown on the dashboard and a fault stays in diagnostics that cannot be cleared without pairing with the immobiliser.
- We recommend Virgin, as it leaves no fault.
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.
Vehicle compatibility
This unit comes from a Fiat Punto 1.3 Multijet. Compatibility is decided by the part number on the label, not just by the model and year – compare number 55249217 and marking MJD 8F3.X1 with your ECU. A different part number means a different ECU version.
Preparation before dispatch
- Bench test.
- Fitting and check in our test car.
- On request, for an extra charge: chip tuning, EGR OFF and DPF OFF.
Instead of the Virgin version, we can also clone your old ECU at no extra cost – we then need the data from your current unit. Warranty on the ECU: 6 months.
If your ECU has a different part number, check 55266285 MJD 8F3.X3, 55260733 MJD 8F3.QB, 55255966 MJD 8F3.Q4, 55267355 MJD 8F3.X1 or the whole Fiat engine ECU category. About the manufacturer: FPT.
FAQ: 55249217 (MJD 8F3.X1)
How do I know that 55249217 will fit?
Check the sticker on your ECU. If it shows number 55249217 and type MJD 8F3.X1, it is the same version. The car model and year alone are not enough.
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Do you offer chip tuning, EGR OFF and DPF OFF for this ECU?
Yes, these are paid extra options that we carry out on request before the ECU is shipped.
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What is the warranty on ECU 55249217?
The warranty is 6 months. Before dispatch, the ECU passes a bench test and a test in our test car.
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Is cloning ECU 55249217 charged extra?
No, cloning is included in the price. We transfer the data from your old ECU instead of preparing the Virgin version – we need the data from your current unit.
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