How to choose ECU 55578395 SX
This is a Magneti Marelli MJD 602.C3 engine control unit for the Opel Combo with the 1.3 CDTI engine. It is a Virgin version with the Car Pass (PIN) code reset and is ready to fit. The housing is refurbished; the electronics have never been repaired.
Typical failure symptoms
- starting problems,
- injector control faults,
- uneven running and misfires.
Water is usually to blame – the ECU sits under the scuttle and blocked drains flood it. Run a diagnosis and clear the scuttle drains.
How to check compatibility
The most reliable way is to compare labels. Your ECU should show the number 55578395 SX (55578395SX). This unit is intended for the Opel Combo with the 1.3 CDTI engine, but the number decides the match, not the model or year.
Label details
- Opel / GM number: 55578395
- Letter code: SX (55578395SX)
- ECU type: Magneti Marelli MJD 602.C3
- Hardware version: HW04D
Compare them with the label on your own ECU.
Programming and fitting
- Virgin – Car Pass (PIN) reset: after fitting, the ECU is programmed in the car with Tech-2 or OP-COM.
- Cloning included in the price: send us the EEPROM and FLASH (MPC processor) files from your ECU, or the whole ECU – we read the data and return both units.
- Paid extras: EGR OFF, tuning and – on versions with a DPF – DPF OFF.
- Warranty: 6 months.
Other 1.3 CDTI Opel ECUs in stock
Other part numbers are in the Opel engine ECUs category, and Magneti Marelli units are on the manufacturer page.
FAQ – ECU 55578395 SX (Magneti Marelli MJD 602.C3)
What should I do before fitting ECU 55578395 SX?
Clear the scuttle drains – blocked drains are the most common reason 1.3 CDTI ECUs get flooded.
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Does ECU 55578395 SX come with a warranty?
Yes – 6 months.
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How do I check that 55578395 SX fits my Opel Combo?
Look at the label on your ECU – it must show the number 55578395 SX (55578395SX). The model and year alone are not enough.
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How do I program ECU 55578395 SX?
The ECU is a Virgin version with the Car Pass (PIN) code reset. After fitting it is programmed in the car with Tech-2 or OP-COM.
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