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OPCOM OP-COM reset and reprogram ECU guide for Vauxhall Astra H

This is guide about using OP-COM to reset and reprogram Vauxhall Astra H 2004 ECU immobilizer. Get cheap OPCOM V2012 under $20 and you can start to diagnose and program Opel or Vauxhall Vectra-C, Astra-H, Zafira-B…

First, connect OPCOM with car and laptop. Open OPCOM software. Choose “2014”→“Astra-H”→ “Engine”→ “Z 16 XEP”


Follow the tip and click “Next”


Then, choose “Reset ECU” and you need to enter security code. Enter then click OK.

Wait and it will show “Reset completed successfully”

Now car’s immobilizer light is blink. Choose “Body”→ “Programming”→ “Immobilizer Programming”


Click “Security Code” and enter security code. Click “Program Immobilizer Function”, choose “ECM” option and click “Do It”.

Turn to main menu and choose “Fault Codes”. OPCOM software will display fault codes.

Click “Clear Fault Codes” and the code “P1614-50 Wrong Transponder Key” still exist. Then you need to remove key and plug it in again. Now all codes are cleared and car’s immobilizer light is off.

Now all things done! OPCOM diagnostic tool reset Vauxhall Astra H 2004 ECU immobilizer successfully.