ECU 55566390 HN – description
We offer a Magneti Marelli MJD 602.C3 ECU intended for the Opel Combo with the 1.3 CDTI engine. The housing is refurbished; the electronics have never been repaired. The Car Pass (PIN) code is reset (Virgin), so the ECU is waiting to be programmed in the car.
ECU 55566390 HN numbers
The label of this unit shows:
- Opel / GM number: 55566390
- Letter code: HN (55566390HN)
- ECU type: Magneti Marelli MJD 602.C3
- Hardware version: HW04D
How to get ECU 55566390 HN running
The Car Pass (PIN) code is reset, so after fitting you program the ECU in the car with Tech-2 or OP-COM. You can also use cloning included in the price: send the EEPROM and FLASH (MPC processor) files from your ECU or the whole ECU, and we read the data and return both units. For an extra charge we do EGR OFF, tuning and – on versions with a DPF – DPF OFF. The warranty is 6 months.
Cause of failure and symptoms
The most common cause of 1.3 CDTI ECU failure is water: the unit sits under the scuttle and gets flooded when the scuttle drains are blocked. Symptoms include starting problems, injector control faults, uneven running and misfires – run a diagnosis before buying and clear the scuttle drains.
Vehicle compatibility
The ECU fits the Opel Combo with the 1.3 CDTI engine. Compatibility is decided by the label number (55566390 HN / 55566390HN), not just by the model and year.
Other 1.3 CDTI Opel ECUs in stock
Looking for a number other than 55566390 HN? Browse the Opel engine ECUs category or the Magneti Marelli manufacturer page.
Frequently asked questions about ECU 55566390 HN
Does ECU 55566390 HN come with a warranty?
Yes – 6 months.
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How do I check that 55566390 HN fits my Opel Combo?
Look at the label on your ECU – it must show the number 55566390 HN (55566390HN). The model and year alone are not enough.
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How do I program ECU 55566390 HN?
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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Which paid services are available for ECU 55566390 HN?
EGR OFF, tuning and DPF OFF – the latter only on versions with a DPF.
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