ECU Engine controller OPEL ASTRA H MERIVA GM 55591495 ABKJ DELPHI 55579719
Which Opel models are compatible with the GM 55591495 ABKJ Delphi 55579719 ECU?
The ECU Engine controller OPEL ASTRA H MERIVA GM 55591495 ABKJ manufactured by Delphi under number 55579719 was used in selected engine versions of the Opel Astra H and Opel Meriva. The GM number 55591495 is the vehicle manufacturer's reference assigned by Opel, while 55579719 is the Delphi catalogue number as the ECU module manufacturer.
The identification code ABKJ specifies the exact software calibration version loaded into the controller, making this code's match with the original essential for correct module integration with the vehicle electronics.
What is the difference between GM number 55591495 and Delphi number 55579719?
Both numbers refer to the same physical ECU module. The number 55591495 is the Opel/GM reference used when ordering parts through dealerships and service centres, while Delphi number 55579719 appears directly on the controller housing as the electronics manufacturer's marking.
When buying a replacement for Opel Astra H or Meriva, it is worth checking both numbers on the original module in the car to ensure software version ABKJ compatibility.
What symptoms may indicate a fault in the Delphi 55579719 controller in Opel Astra H?
A faulty ECU module 55591495 ABKJ in Opel Astra H or Meriva may cause engine start problems, rough idling, unexpected stalling during driving, or OBD diagnostic errors appearing without any obvious mechanical cause.
Every Delphi 55579719 controller we offer undergoes full electrical testing before dispatch, ensuring the customer receives a verified product with warranty and fast courier delivery.
Where can I find the 55579719 number and ABKJ code on the Delphi module?
The Delphi manufacturer number 55579719 is printed on the label on the controller housing. The GM number 55591495 usually appears alongside it as the vehicle reference, while the ABKJ code identifies the software calibration version inside the module.
Before purchasing a controller for Opel Astra H or Meriva, always compare all markings with those on the original module fitted in your car to avoid software mismatches.
Does the GM 55591495 ABKJ Delphi 55579719 ECU require programming after replacement?
Depending on the version and equipment of your Opel Astra H or Meriva, the ECU module 55591495 may require immobilizer adaptation or VIN coding using a diagnostic tool after installation.
Using a controller with the identical Delphi number 55579719 and ABKJ code simplifies the entire procedure and reduces the time needed to start the car after replacing the ECU module.
