DTC C184D-00: CAN Time-Out RLHV: General Description
WARNING: This page is about a different car, the 2024 Kia Sorento. However, it is still accessible from the selected car via links, so may be relevant.
The front heater and ventilation motor is controlled by SHVR_RR that SHM and SVM are integrated. SHVU_RR_LH constitutes B-CAN networks such as body electronic units/modules.