Does anyone know how to fix this? P1560: Back-up voltage circuit malfunction on 2003 jdm sti 2.0 with 22611ah581 ecu ,I have changed both o2 sensors front and back also checked all ground point but no luck. Can e-mail me at scoobysti@candw.ky has not run in weeks.

 

no one has any input please loosing the feeling for subaru about to go back to evo