55571621 MZ – Magneti Marelli MJD 603.S7 ECU in Virgin version
Magneti Marelli MJD 603.S7 module for the Opel Corsa D with the 1.3 CDTI engine with the Car Pass (PIN) code reset. The housing is refurbished; the electronics have never been repaired. It just needs fitting and programming in the car.
Why 1.3 CDTI ECUs fail
The ECU is mounted under the scuttle, so when the drains get blocked, water floods it. A fault shows up as starting and injector control problems, uneven running and misfires. Run a diagnosis before buying, and clear the scuttle drains before fitting.
ECU 55571621 MZ numbers
The label of this unit shows:
- Opel / GM number: 55571621
- Letter code: MZ (55571621MZ)
- ECU type: Magneti Marelli MJD 603.S7
Matching by part number
- Application: the Opel Corsa D with the 1.3 CDTI engine.
- Number to compare: 55571621 MZ (55571621MZ).
- Model and year do not decide compatibility – the label does.
Two ways to start the ECU
- Programming after fitting with Tech-2 or OP-COM – the ECU has the Car Pass (PIN) code reset.
- Cloning included in the price – send the EEPROM and FLASH (MPC processor) files or your whole old ECU, we read the data and return both.
Paid services: EGR OFF, tuning, DPF OFF (only on versions with a DPF). 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.
Questions and answers: 55571621 MZ
How do I program ECU 55571621 MZ?
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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What does the Virgin version mean?
The Car Pass (PIN) code is reset, so the ECU can be programmed in the car.
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How do I check that 55571621 MZ fits my Opel Corsa D?
Look at the label on your ECU – it must show the number 55571621 MZ (55571621MZ). The model and year alone are not enough.
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Does ECU 55571621 MZ come with a warranty?
Yes – 6 months.
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