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 Service Manual: Tailgate Trim. Components and components location

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Hyundai Ioniq (AE) 2017-2025 Service Manual: General safety information and caution

Safety PrecautionPrecautions To Take Before Servicing High Voltage System    • Since hybrid vehicles contain a high voltage battery, if the high voltage system or vehicles are handled incorrectly, this might lead to a serious accidents like electric shock and electric leakage...