Hi all , I have an 2009 550 h1, can't clear the codes for some reason. Tried all ways i could find and to no avail. Jumper in ,press the reverse override , bike in neutral, turn key on and wait 15 sec. Turn key off and release override button. No go. Tried 2wd and 4wd. Parking brake on and off. .... nothing. Any ideas, thanks. Dave.