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Home >> Kia >> 2012 >> Optima LX, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 58 (HEV Control System Diagnosis - HEV) >> DTC P1679: Immobilizer-EMS Data Fail-Data frame CS Message error >> General Information >> DTC Description

DTC Description

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