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Home >> Hyundai >> 2018 >> Kona Limited, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 154 (Immobilizer System Diagnosis) >> DTC P1678: EMS No Request >> DTC Information And Inspection >> DTC Setting Condition

DTC Setting Condition

WARNING: This page is about a different car, the 2021 Hyundai Kona. However, it is still accessible from the selected car via links, so may be relevant.
Troubleshooting Condition Possible Cause
Main Action
  • Monitor the data coming from the EMS
  1. Open or short
  2. Faulty PCM/ECM
  3. Faulty ICU
Threshold Value
  • Data is not received from the PCM/ECM within 5 sec. since the ignition was turned on.
Diagnosis Time
  • 1 time
DTC clearing
  • Clear the DTC using GDS