theodor Posted August 29, 2014 Share Posted August 29, 2014 After having several problems, I came to the conclusion that I have to replace the ECU. After setting the part and starting installation, diagnostic machine gives to immobilizer code: 3781, but then systems requires a five (5) digit number. Does anyone know what is that number??My car is Subaru Outback Legacy-2,5L-year:2006. Quote Link to comment Share on other sites More sharing options...
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