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Home >> Hyundai >> 2015 >> Sonata Eco >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 84 (HEV Control System Diagnosis (HEV)) >> DTC P1696: Immobilizer-Authentication Fail >> General Information >> DTC Detecting Condition

General Information: DTC Detecting Condition

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Item Detecting Condition Possible Cause
DTC Strategy
  • Monitoring the Authentication
  1. Faulty EMS ECU.
  2. Faulty HCU.
Enable Conditions
  • Ignition Key "ON"
  • Battery voltage is between 9V and 16V
Threshold Value
  • Data from the ECU are not correspondent with the HCU data
Diagnosis Time
  • -
DTC
  • 2 Driving Cycle
MIL On Condition
  • -
Service Lamp On Condition
  • -
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