DTC U0164: Lost Communication With HVAC Control Module: General Description
WARNING: This page is about a different car, the 2019 Kia Niro EV. However, it is still accessible from the selected car via links, so may be relevant.
The controllers installed in the vehicle exchange information to each other in CAN communication method and carry out controlling. The P-CAN communication transmits information through two physically connected wires (CAN high, CAN low), and in order to carry out normal CAN communication, the terminating resistance of 120Ω is installed inside of IGPM and EPCU each.
NOTE:
Electric Power Control Unit (EPCU): VCU+MCU+LDC
- Vehicle Control Unit (VCU)
- Motor Control Unit (MCU)
- Low DC/DC Converter (LDC)