Body Domain Control Unit (BDC)

WARNING: This page is about a different car, the 2024 Hyundai Kona. However, it is still accessible from the selected car via links, so may be relevant.

The BDC controls all functions related to:

Start/Stop Button (SSB) control
Immobilizer communication (with ECU for releasing immobilizer)
System consistency monitoring
System diagnosis
Control of display message/warning buzzer