VIRGIN ECU 55561172 FCDB – tested MT35E engine control unit for Opel Astra H and Zafira B 1.6
The controller with part number 55561172 FCDB is a unit based on the Delphi MT35E system, prepared in VIRGIN mode. It contains no PIN code and the CAR PASS has been cleared, allowing the module to be assigned as a new controller in the vehicle.
This model is used in OPEL Astra H and Zafira B vehicles equipped with 1.6 16V engines. After installation, coding is required using TECH-2 or OP-COM, following the ECU-to-immobilizer pairing procedure.
The controller is fully functional – tested and ready for installation and further use after completing the coding procedure.
Frequently Asked Questions (Q&A)
Q: Is the 55561172 FCDB controller ready to install?
Yes, the controller is fully functional and prepared in VIRGIN mode – it can be installed right away and only requires coding in the vehicle.
Q: Does the controller have a PIN code or CAR PASS?
No, because the VIRGIN version has a cleared CAR PASS – this allows the controller to be assigned as a new unit.
Q: What tools are needed to code this controller?
For coding and immobilizer pairing you need TECH-2 or OP-COM, according to the Opel ECU programming procedure.
Q: Which vehicles is this controller compatible with?
This controller is used in Opel Astra H and Opel Zafira B with the 1.6 16V engine.
Q: Can it be prepared as Plug & Play?
Yes. If you provide your old controller, we can perform cloning and prepare a Plug & Play unit – the car will start without coding.
Q: Has the controller been tested?
Yes, each unit passes a full diagnostic bench test, ensuring 100% functionality.