This is a guide to reset and reprogram Vauxhall Astra H 2004 ECU immobilizer using OP-COM. Get cheap $18.99 OP-COM diagnostic tool to fully 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. And all codes are cleared and car’s immobilizer light is off.
Now all things done! OPCOM reset and reprogram Vauxhall Astra H 2004 ECU immobilizer successfully!
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