Opel Zafira B / Astra H 1.7 CDTI engine ECU 55582595 VIRGIN with Car Pass
Original Denso engine control unit with Opel/GM part number 55582595, also identified by the references 275720207002 and 19120200071. The module is supplied in VIRGIN condition – reset and provided with Car Pass. Before dispatch, the vehicle VIN is required so that the correct software version can be prepared and matched to the car in which the ECU will be installed.
Applications of ECU 55582595
- Opel Zafira B (A05) – minivan / MPV, selected versions with the 1.7 CDTI engine, mainly found in later production years, approximately 2010–2014.
55582595 is the Opel/GM part number. When selecting the ECU, the Denso references shown on the original control unit should also be compared. The same vehicle model may have been equipped with different ECU hardware and software versions.
Important: before the order is processed, please provide the vehicle VIN. We use it to select and prepare the correct software version for the specific vehicle. A similar ECU housing or matching only the vehicle make and engine capacity is not sufficient to ensure correct compatibility.
Common symptoms of a faulty engine ECU
A faulty ECU in an Opel Zafira B 1.7 CDTI can cause various engine running and diagnostic communication problems. Common symptoms may include:
- engine will not start or intermittent starting problems,
- no diagnostic communication with the engine control unit,
- engine stalling while running or faults appearing once the engine is warm,
- limp mode with reduced engine power,
- recurring CAN communication faults, injection control faults or internal ECU errors.
These symptoms may also have other causes. Before replacing the ECU, we recommend checking the vehicle wiring, power supplies and the other components of the engine management system.
Programming, VIRGIN preparation and ECU adaptation
The offered Denso 55582595 ECU is prepared in VIRGIN condition, meaning that the module has been reset and is ready to be assigned to another vehicle. A Car Pass is also provided for the control unit.
- The vehicle VIN is required before dispatch – it is used to prepare the correct software version for the specific vehicle.
- After installing the ECU, an adaptation procedure must be carried out using TECH-2 or OP-COM diagnostic equipment.
- During the procedure, the ECU is programmed and synchronised with the vehicle immobiliser system.
- After successful adaptation, stored fault codes should be cleared and a complete vehicle diagnostic scan should be performed again.
ECU cloning is a different method of preparing the replacement unit. If the original ECU can still be read correctly, in some cases its data can be transferred to the replacement control unit. However, the version offered here is prepared as a VIRGIN ECU for TECH-2 / OP-COM adaptation, not as a ready-made clone of the original module.
Frequently asked questions – Opel 55582595 Denso ECU
Does ECU 55582595 fit the Opel Zafira B 1.7 CDTI?
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Part number 55582595 is used in selected Opel Zafira B versions equipped with the 1.7 CDTI engine. Before ordering, the references on the original ECU must be checked and the vehicle VIN should be provided, as different ECU and software variants were used depending on the vehicle configuration.
Is the Denso 275720207002 ECU Plug & Play?
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No. The offered control unit is prepared in VIRGIN condition, so it requires adaptation after installation. On the Opel Zafira B, this procedure can be carried out using suitable diagnostic equipment such as TECH-2 or OP-COM.
Why is the VIN required before purchasing Opel ECU 55582595?
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The VIN is needed to select the correct ECU software for the specific vehicle. This is particularly important because even within the same Opel Zafira B 1.7 CDTI version, there may be differences in the engine ECU configuration and software.
What does VIRGIN with Car Pass mean for an Opel Zafira B ECU?
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VIRGIN means that the control unit has been reset and prepared to be assigned to another vehicle. After installation, the ECU must be adapted to the vehicle and synchronised with the immobiliser system. The Car Pass is required to complete the relevant security procedures during programming.
Can the original 19120200071 ECU be cloned instead of carrying out adaptation?
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If the original ECU still communicates and its memory can be read correctly, cloning may be possible. However, with this offer the module is prepared as standard in VIRGIN condition with Car Pass, with software selected according to the VIN and intended for subsequent adaptation in the vehicle.
