So our 430 has developed an interesting failure. The CDI works in self test, GPS, and Localizer mode just fine. When I dial in a VOR frequency though it does not indicate any info on the CDI. The VOR/LOC audio is received fine when I listen to the NAV portion of the 430. LOC Reception VOR Reception Aside from sending it to Garmin, does anyone have a suggestion as to what to check?