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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 P1679: Immobilizer EMS Data Fail (Data Frame, CS, Message Error) >> DTC Information >> DTC Description

DTC Description

The HPCU sets P1679 when the HPCU can not receive data related immobilizer authentication from EMS.

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