sfortin Posted November 24, 2016 Share Posted November 24, 2016 I might have fried the ECU on my 2002 WRX. Wondering two things: 1 - which ECU's are interchangeable. 2003 Impreza? Found a cheap ECU in scrap yard. Turbo car vs non make a difference? I know the tranny doesn't make any. 2 - Trying to find the right fuse/ fuses? to the ECU. Just in case the problem is that simple. anybody know any systems that are run by the ECU that I could test to see if they work with the key on? Thank you all... always great help! 1000 heads are better than one.. Quote Link to comment Share on other sites More sharing options...
matt167 Posted November 24, 2016 Share Posted November 24, 2016 2002-2003 WRX only. 2004-2005 will work but you may have ghost codes for equipment that is not there or coded differently. Quote Link to comment Share on other sites More sharing options...
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