52143172 / MJD 9DF.FA – ECU for the 1.3 Multijet 80 HP engine
Magneti Marelli (FPT) engine control unit from the MJD 9DF family, variant FA. The label describes the engine version as “MCV 80HP EU6 D LIGHT” – 80 HP, Euro 6. This unit has been prepared as Virgin Plug & Play.
Label markings
- Fiat number: 52143172
- ECU type: MJD 9DF.FA
- HW / software: MJD 9DF.FA/HW001/F073-FA05
- Other codes: BC.0173876.E, FFAKNAU2V, D419 JB28
- Engine version text: MCV 80HP EU6 D LIGHT
- Type without spaces: MJD9DFFA
Does it fit your Fiat
The label points to the 1.3 Multijet 80 HP engine. We do not list car models – the part numbers decide. Compare Fiat number 52143172 and type MJD 9DF.FA with the label on your ECU; the string HW001/F073-FA05 also helps. A different number or a different ending after the dot in the 9DF code means different software.
Fitting: plug in and drive
- The ECU memory is wiped (Virgin), so after connection it registers itself to the car and immobiliser – no coding with a tester.
- It needs a matching ECU number and a working immobiliser in the car.
- Every unit is checked on the bench and in a test car.
Options on request
For an extra charge we can prepare the ECU with EGR disabled (EGR OFF) or the DPF disabled (DPF OFF). IMMO OFF is done only at the customer’s request. Send your choice to sale@ecusale.com.
When to check the ECU
- no communication with the ECU during diagnostics,
- the engine will not start although the starter and power supply are fine,
- faults in ECU-controlled circuits that return after clearing.
The same symptoms can come from damaged wiring, grounds or connectors – run diagnostics before buying.
EU delivery: 2–3 working days. More units in the category Fiat engine control units.
Frequently asked questions about the 52143172 MJD 9DF.FA ECU
Do I need a tester or programming after fitting?
No. The Virgin version registers itself to the car and immobiliser once connected, provided the number matches and the immobiliser works.
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What does “MCV 80HP EU6 D LIGHT” mean?
It is the engine version text on the label: 80 HP and Euro 6. For matching, still compare number 52143172 and type MJD 9DF.FA.
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Can I order this ECU with EGR OFF or DPF OFF?
Yes, as a paid option. Write to sale@ecusale.com before dispatch – we reply 24/7.
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