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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 >> General Description

General Information: General Description

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Immobilizer system performs mutual authentication among Key, SMK, HCU and Engine ECU. With this authentication, Immobilizer system allows to start Main Motor and Engine running.

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