DTC Description
WARNING: This page is about a different car, the 2017 Hyundai Tucson. However, it is still accessible from the selected car via links, so may be relevant.
B100455 is set when variant coding is incorrectly performed as if AVN4.0 head unit ("A/V & NAVIGATION HEAD UNIT") option is not installed on the vehicle even though real vehicle has AVN4.0 head unit on the CAN BUS.