55564081 FQ – Siemens ECU in Virgin version
Siemens module for the Opel Astra H / Zafira B with a petrol engine, reset (Virgin) and with a clean Car Pass (PIN) code. It just needs programming in the car.
How to check compatibility
The most reliable way is to compare labels. Your ECU should show the number 55564081 FQ (55564081FQ). This unit is intended for the Opel Astra H / Zafira B with a petrol engine, but the number decides the match, not the model or year.
Numbers to compare
These are the markings that matter when matching the ECU:
- Opel / GM number: 55564081
- Letter code: FQ (55564081FQ)
- ECU type: Siemens 5WK9425
How to get ECU 55564081 FQ running
The ECU is reset and the Car Pass (PIN) code is clean. After fitting you program it with Tech-2 or OP-COM. If you prefer, we can set the Car Pass (PIN) code for you and write it on the ECU. Cloning is included in the price – just send the files from your ECU or the whole unit; we transfer the data and return both. The warranty is 6 months.
Diagnose first
A no-start, no communication in diagnostics or a fault after water ingress or a short circuit can point to a faulty ECU, but they do not have to. Run a diagnosis before buying.
Other Siemens Opel ECUs in stock
More units in the Opel engine ECUs category and on the Siemens manufacturer page.
Questions and answers: 55564081 FQ
What do I program ECU 55564081 FQ with?
With Tech-2 or OP-COM, after fitting it in the car. The Car Pass (PIN) code is clean.
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How do I know the ECU is faulty?
Symptoms include a no-start, no communication in diagnostics or a fault after water ingress or a short circuit. They can have other causes, though – run a diagnosis before buying.
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Can you set the Car Pass (PIN) code?
Yes, on request we set the Car Pass (PIN) code and write it on the ECU.
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How do I check that 55564081 FQ fits my Opel Astra H / Zafira B?
Look at the label on your ECU – it must show the number 55564081 FQ (55564081FQ). The model and year alone are not enough.
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