How to choose ECU 55559394 DH
This is a Siemens engine control unit for the Opel Astra H / Zafira B with the 1.6 petrol engine (Z16XER). It is a Virgin version – reset, with a clean Car Pass (PIN) code – ready for programming in the car.
Numbers on the label
- Opel / GM number: 55559394
- Letter code: DH (55559394DH)
- ECU type: Siemens 5WK9419
- Engine code: Z16XER
Does ECU 55559394 DH fit your car?
Model and year of manufacture are not enough – compare the label of your ECU with the number 55559394 DH (55559394DH). If it matches, it is the same ECU for the Opel Astra H / Zafira B with the 1.6 petrol engine (Z16XER).
Possible symptoms of a faulty ECU include a no-start, no communication in diagnostics, or a fault after water ingress or a short circuit. They can also have other causes – run a diagnosis before buying.
Two ways to start the ECU
- Programming after fitting with Tech-2 or OP-COM – the ECU has a clean Car Pass (PIN) code. On request we set the PIN code and write it on the ECU.
- Cloning included in the price – send the files or your whole old ECU, we transfer the data and return both units.
Warranty: 6 months.
Similar Siemens ECUs
More models: the Opel engine ECUs category. All units from this manufacturer are on the Siemens page.
FAQ – ECU 55559394 DH (Siemens)
Does no communication always mean a faulty ECU?
Not always. The cause may lie elsewhere, so a diagnosis before buying is worth doing.
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Will I get a PIN code for ECU 55559394 DH?
On request we set the Car Pass (PIN) code and write it on the ECU.
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How do I program ECU 55559394 DH?
The ECU is Virgin with a clean Car Pass (PIN) code – after fitting it is programmed with Tech-2 or OP-COM. You can also get the PIN code from us written on the ECU, or order cloning included in the price.
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How do I check that 55559394 DH fits my Opel Astra H / Zafira B?
Look at the label on your ECU – it must show the number 55559394 DH (55559394DH). The model and year alone are not enough.
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