DTC B2512-00: Head Lamp Low RH SCG: General Description
WARNING: This page is about a different car, the 2021 Kia Seltos. However, it is still accessible from the selected car via links, so may be relevant.
Once the Body Control Module (BCM) receives head lamp low switch working signal, it sends the signal to the ICU using CAN communication. The ICU turns on the head lamp low.