Opel Engine Control Units – ECU for Astra, Corsa, Zafira and Vectra

Opel Engine Control Unit – original used ECU and ECM modules

An Opel engine control unit ECU, also known as an ECM or engine computer, manages engine operation and communicates with other electronic systems in the vehicle. Depending on the engine and ECU generation, it may control fuel injection, ignition, fuel pressure, electronic throttle operation, turbocharger boost and selected emissions-related functions.

Auto24Parts offers original used Opel engine control units for many generations of Astra, Corsa, Zafira, Vectra, Meriva, Vivaro and other models. The catalogue includes modules manufactured by Bosch, Delco, Delphi, Siemens and Magneti Marelli. Because Opel used many different engine-management systems, the safest way to select a replacement ECU is to compare all numbers shown on the original module.

How to choose the correct Opel engine control unit

The same Opel model may use several different ECU versions depending on engine type, engine code, model year, power output, transmission, emissions standard and vehicle configuration. The model name or engine capacity alone is therefore not sufficient to confirm compatibility.

Before ordering, compare:

• the complete Opel / GM OEM part number,
• the electronics manufacturer's number,
• all letters following the main GM reference,
• the ECU family, such as HSFI, MJD or Simtec, where applicable,
• hardware and software references,
• engine type and engine code,
• vehicle model and model year,
• transmission and relevant vehicle configuration.

Part numbers can appear in several formats. For example, Bosch 0281010859 may also be written as 0 281 010 859, while Opel number 24467018LN may be shown with or without spaces. When searching for an ECU, it is useful to check all common variants of the reference.

Opel / GM numbers and electronics manufacturer numbers

Many Opel engine control units carry several identification numbers. One is normally an Opel / GM reference, while another identifies the electronics manufacturer such as Bosch, Delco, Siemens, Delphi or Magneti Marelli.

For example, an Opel Astra G 1.7 CDTI ECU may carry 24467018LN together with Bosch 0281010859 and Isuzu reference 8973068765. Searching for these numbers together gives a much more precise result than searching only for “Opel Astra ECU”.

Opel Astra G 1.7 CDTI – 24467018LN / Bosch 0281010859

One of the available modules is the Opel Astra G 1.7 CDTI Z17DTL ECU 24467018LN / Bosch 0281010859 / Isuzu 8973068765.

This module carries several useful references, including 24467018LN, 0281010859 and 8973068765. The Bosch number may also be written as 0 281 010 859. Comparing all of these markings helps confirm the correct ECU version.

Opel Astra H / Meriva – 55591495 ABKJ / Delphi 55579719

Another available control unit is the Opel Astra H / Meriva ECU GM 55591495 ABKJ / Delphi 55579719.

The GM number 55591495, calibration reference ABKJ and Delphi number 55579719 should be checked together. Additional letters following the GM number can be important when identifying the correct software version.

Opel Astra J – Bosch 0281030852 / GM 55598045

For Opel Astra J, Auto24Parts also offers the Bosch 0281030852 / GM 55598045 engine control unit.

The Bosch reference can also be written as 0 281 030 852. When searching for this ECU, both 0281030852 and 55598045 should be compared with the original module.

Opel Astra, Vectra and Zafira 2.0 DTL – 0281001675 / 90562575 LM

For older 2.0 DTL applications, the catalogue includes the Opel Astra / Vectra / Zafira Bosch 0281001675 / GM 90562575 LM ECU.

The Bosch number can also be searched as 0 281 001 675. The GM reference 90562575 LM should be retained together with the Bosch number when comparing modules.

Opel 12237450 DXKB / HSFI 2.5

Another example of Opel-specific ECU numbering is the Opel 12237450 DXKB / HSFI 2.5 engine control unit.

In this case, the reference DXKB and ECU family HSFI 2.5 are useful identification elements in addition to the main number 12237450. A visually similar HSFI module should not automatically be assumed to be compatible.

Opel Astra, Vectra and Zafira 1.8 X18XE1 – 90582539

For selected 1.8 X18XE1 applications, Auto24Parts offers the Opel Astra / Vectra / Zafira 90582539 complete ECU set.

This product is offered as a complete set with the appropriate immobiliser-related components. Complete sets can be useful in applications where the ECU and security components are matched to each other.

Opel Corsa D 1.3 CDTI – Magneti Marelli MJD6O3.S7 / 55568002 KQ

A particularly important group in the Opel range is the 1.3 CDTI Magneti Marelli ECU family. One example is the Opel Corsa D 1.3 CDTI MJD6O3.S7 / 55568002 KQ / 7160023900 VIRGIN ECU.

The same module may be identified by several formats, including MJD6O3.S7, MJD603S7, 55568002 KQ, 55568002KQ and 7160023900. These different forms are valuable when searching by the label on the original control unit.

Opel Corsa 1.3 CDTI – VIRGIN 55568381 KX

The range also includes the Opel Corsa 1.3 CDTI Z13DTH 55568381 KX VIRGIN engine control unit.

This type of product is prepared differently from a standard used / locked ECU. The exact programming or adaptation procedure after installation depends on the vehicle and the selected ECU version.

Different Opel ECU manufacturers

Opel vehicles use engine control modules produced by several electronics manufacturers. The current catalogue includes examples from Bosch, Delco, Delphi, Siemens and Magneti Marelli.

You can also browse other Bosch automotive control units, Siemens electronic modules and Magneti Marelli automotive electronics.

The manufacturer name alone does not confirm compatibility. Two modules made by the same company may use different hardware, software and vehicle-security data.

Common Opel ECU families

Depending on the model and engine generation, Opel vehicles can use several different ECU families. Examples in the Auto24Parts catalogue include:

• Bosch diesel ECUs with 0281... references,
• Magneti Marelli MJD modules used in selected 1.3 CDTI applications,
• HSFI petrol engine control units,
• Siemens / Simtec engine management systems,
• Delco / Delphi control units used in numerous petrol applications.

The ECU family is useful for narrowing the search, but the final selection should still be based on the complete part numbers.

Common symptoms of an Opel ECU problem

A faulty engine control unit can cause a variety of symptoms. However, similar problems may also be caused by sensors, wiring, connectors, actuators, fuel-system components or an incorrect power supply.

• engine does not start,
• no diagnostic communication with the ECU,
• engine stalls or is difficult to restart,
• limp mode and reduced power,
• injector or ignition-control problems,
• incorrect electronic throttle operation,
• fuel-pressure or boost-control faults,
• CAN communication errors,
• fault codes that repeatedly return,
• internal memory or ECU electronics faults.

Before replacing the ECU, check battery condition, ECU power supply, ground connections, fuses, relays, connectors and wiring. A stored diagnostic trouble code alone does not prove that the engine control unit itself is defective.

Used / locked Opel engine control unit

A standard used / locked Opel ECU normally retains data from its previous vehicle. This option is mainly intended for automotive electronics specialists and workshops equipped to reset, programme or adapt replacement modules.

Depending on the ECU type, the unit may require resetting, immobiliser adaptation, programming or transfer of the relevant vehicle-specific data before installation.

Opel VIRGIN ECU – prepared for adaptation

For selected Opel control units, it is possible to prepare the module as VIRGIN / reset. This means that the ECU has been appropriately prepared for subsequent adaptation to another vehicle.

The exact procedure depends on the Opel model and ECU type. Programming may involve security authorisation, VIN registration, immobiliser synchronisation, configuration or another diagnostic procedure.

In many Opel applications, the vehicle security code commonly associated with the CarPass is important during programming and adaptation. The requirements vary between vehicle generations and ECU types.

See our ECU preparation options for more information about available module preparation methods.

CarPass, immobiliser and Opel ECU replacement

In many Opel vehicles, the engine ECU works together with the immobiliser and other security-related modules. Depending on the vehicle generation, these may include systems such as the CIM, BCM or other control units involved in engine-start authorisation.

For this reason, installing a replacement ECU is not always a simple mechanical exchange. The module may need to be reset, programmed or synchronised with the vehicle's existing security system.

Appropriate Opel-compatible diagnostic equipment may be required for certain procedures, depending on the vehicle generation and control-unit type.

Opel ECU cloning

Another preparation method is Opel ECU cloning. If the necessary data can be correctly read from the original control unit, it may be transferred to a compatible replacement ECU.

Depending on the module design, transferred data may include EEPROM or FLASH content, software, VIN, vehicle configuration and immobiliser-related information.

Cloning availability depends on the ECU type and the condition of the original module. If the required data cannot be recovered, another preparation method may be necessary.

Opel and Isuzu engine control units

Some Opel diesel applications use engines and electronic components associated with Isuzu. A good example is the Astra G 1.7 CDTI Z17DTL ECU identified by Opel / GM reference 24467018LN, Bosch 0281010859 and Isuzu 8973068765.

This does not mean that every Opel and Isuzu ECU is interchangeable. The complete part numbers, hardware, software and vehicle application must always be checked.

Opel and Renault commercial vehicle applications

Selected Opel commercial vehicles can also share technical platforms and electronic systems with Renault applications. The Auto24Parts catalogue includes control units described for Opel Vivaro / Renault Trafic applications.

Compatibility should still be determined from the complete ECU numbers and vehicle configuration. Related products can also be found in the Renault engine control unit category.

Opel engine control units by part number

Searching for an Opel ECU by part number is one of the most accurate ways to find the correct replacement module.

• 24467018LN / 0281010859 / 8973068765 – Opel Astra G 1.7 CDTI
• 55591495 ABKJ / 55579719 – Opel Astra H / Meriva
• 0281030852 / 55598045 – Opel Astra J
• 0281001675 / 90562575 LM – Opel Astra / Vectra / Zafira 2.0 DTL
• 12237450 DXKB / HSFI 2.5 – Opel ECU
• 90582539 – Opel Astra / Vectra / Zafira 1.8 X18XE1 complete set
• 55568002 KQ / MJD6O3.S7 / 7160023900 – Opel Corsa D 1.3 CDTI VIRGIN
• 55568381 KX – Opel Corsa 1.3 CDTI VIRGIN

Using the exact Opel / GM reference together with the Bosch, Delphi, Delco, Siemens or Magneti Marelli number creates a direct path from the original ECU label to the correct replacement product.

How to check Opel ECU compatibility before ordering

The best approach is to take a clear photo of the complete label on the original engine control unit. All Opel / GM numbers, manufacturer references and additional hardware, software or calibration codes should be readable.

If you need help selecting the correct replacement, contact Auto24Parts and send us the ECU photo together with the Opel model, model year, engine capacity, power output and engine version. In selected cases, the VIN can also help with identification.

You can browse the complete range in the Engine Control Unit – ECU category. Other Opel electronic components can also be found in the Opel ABS pump category.

Before ordering, you can also read our How to Buy guide, Shipping & Delivery information and Returns, Warranty & Complaints conditions.

FAQ – Opel Engine Control Units