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Home >> Hyundai >> 2021 >> Ioniq Hybrid SEL >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Testing and Diagnosis >> HCU/Low Dc-Dc Converter Diagnosis (HEV) >> DTC U1001: High Speed CAN Communication Bus (H-CAN) >> DTC Information >> DTC Description

DTC Description

DTC U1001 is set when HPCU detects H-CAN communication error.