How to choose ECU 55271522 MJD 9DF.F5
Typical symptoms
Typical symptoms are no start, no injector control, no communication or power to the ECU, and failure after flooding or a short circuit. The ECU is not always to blame – wiring, power supply and sensors give similar symptoms, so diagnosis comes first.
ECU condition
- condition: used, working,
- bench test,
- check in our test car before shipping.
Vehicle compatibility
On the label of your old ECU find the part number and the MJD marking – they must match this unit:
- Part number: 55271522
- ECU type: Magneti Marelli MJD 9DF.F5
The full range is in the Fiat engine ECU category category and on the FPT manufacturer page, e.g. 55271527 / MJD 9DF, 52000042 / MJD 8F3.BN, 52115025 / MJD 9DF, 55261983 / MJD 8F3.BO.
Important: the MJD 9DF.F5 ECU comes in versions for the Ducato 2.3 Multijet 130 hp, 150 hp and 180 hp. Please state your vehicle power when ordering.
Additional services
- cloning data from your old ECU – free, on request,
- chip tuning, EGR OFF, DPF OFF – extra cost,
- warranty: 6 months.
Virgin or IMMO OFF?
ECU 55271522 is prepared as Virgin Plug & Play, so after fitting it codes itself to the vehicle and immobiliser (with matching numbers and a working immobiliser). An IMMO OFF version is also possible – the vehicle drives, but with an immobiliser fault and a red warning light that only immobiliser programming removes.
Questions and answers – ECU 55271522
Can I transfer data from my old ECU?
Yes, cloning on request is free – send your damaged ECU or its files.
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Can I order EGR OFF or DPF OFF with 55271522?
Yes, at extra cost – as well as chip tuning.
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What should I state when ordering the MJD 9DF.F5 ECU?
The engine power of your Ducato: 130, 150 or 180 hp – the MJD 9DF.F5 ECU comes in a version for each.
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