In this instruction,i will show you guide on how to use OPCOM to do trailer interface module programming for Opel Astra-J 2011.More projects about Opel please refer to:Opel trouble repair.
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Connect your OPCOM interface to Opel Astra-J obd port,then run software
Enter system selection to select “Trailer Interface Control Module”
Before programming,please make sure there is no DTCs present.
After then select “Programming”
Click “Program Variant Configuration”
Now here you can select “Trailer hitch hook” and “Type of trailer lamps”
Select option you need then click “Program” to start programming process and wait completion.