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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 Detecting Condition

General Information: DTC Detecting Condition

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Item Detecting Condition Possible cause
DTC strategy
  • Data check
  1. Faulty EMS ECU.
  2. Faulty HCU.
Enable conditions
  • Ignition Key "ON"
  • Aux, Battery Voltage is between 9V and 16V
Threshold value
  • No receiving Immobilizer authentication data from EMS
Diagnosis Time
  • 1.5s.
DTC
  • -
MIL On Condition
  • -
Service Lamp On Condition
  • -
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