ECU 55579443 AAXU – description
We offer a Denso MB275700-1190 ECU intended for the Opel Astra J with the 1.7 CDTI engine. The unit has been refreshed and the housing 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.
Label details
- Opel / GM number: 55579443
- Letter code: AAXU (55579443AAXU)
- Denso number: MB275700-1190
- ECU type: Denso 1.7 CDTI
Compare them with the label on your own ECU.
Typical failure symptoms
- starting problems,
- injector control faults,
- uneven running and misfires.
The cause is usually the mounting position – the left front wheel arch next to the bumper, close to the ground, where rain, road spray and snow damage the ECU. Run a diagnosis before buying.
How to check compatibility
The most reliable way is to compare labels. Your ECU should show the number 55579443 AAXU (55579443AAXU). This unit is intended for the Opel Astra J with the 1.7 CDTI engine, but the number decides the match, not the model or year.
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 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 Denso 1.7 CDTI Opel ECUs in stock
Read more on our blog: Opel 1.7 CDTI Denso ECUs – Astra H, Zafira, Corsa. Other part numbers are in the Opel engine ECUs category, and Denso units are on the manufacturer page.
Common questions about ECU 55579443 AAXU
Do you do EGR OFF or DPF OFF?
Yes, as paid services: EGR OFF, tuning and – on versions with a DPF – DPF OFF.
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Is ECU 55579443 AAXU reset?
Yes, it is a Virgin version with the Car Pass (PIN) code reset, ready for programming in the car.
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How do I program ECU 55579443 AAXU?
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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How do I check that 55579443 AAXU fits my Opel Astra J?
Look at the label on your ECU – it must show the number 55579443 AAXU (55579443AAXU). The model and year alone are not enough.
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