Sometimes you can bring up a known problem using this.
https://www.harley-davidson.com/EX/MNT/SCHK/en/servicecheckup.asp?locale=en_US&bmLocale=en_US
https://www.harley-davidson.com/EX/MNT/SCHK/en/servicecheckup.asp?locale=en_US&bmLocale=en_US