Hyundai Ioniq: Hybrid Control System / Hybrid Control System

Troubleshooting

Basic TroubleshootingBasic Inspection ProcedureMeasuring Condition of Electronic Parts' ResistanceThe measured resistance at high temperature after vehicle running may be high or low...

Description and operation

DescriptionThe HCU (Hybrid Control Unit) controls whole hybrid systems and is connected with each control modules (ECM, TCM, MCU, BMS ECU etc.) by CAN interface...

Other information:

Hyundai Ioniq (AE) 2017-2025 Owner's Manual: Check Hybrid system, Check Hybrid system. Turn engine Off

Check Hybrid system This message is displayed when there is a problem with the hybrid control system. Refrain from driving when the warning message is displayed. In this case, have your vehicle inspected by an authorized HYUNDAI dealer. Check Hybrid system...

Hyundai Ioniq (AE) 2017-2025 Service Manual: Cruise Control Switch. Components and components location

C..