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Home >> Genesis >> 2021 >> G90 5.0 Ultimate, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis - 5.0L (7 Of 9) >> DTC P0685-00: ECM/PCM Power Relay Control Circuit/Open >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

Item Detecting Condition Possible cause
DTC Strategy
  • Voltage check
  1. Poor connection
  2. Short in circuit
  3. Faulty main relay
  4. ECM
Enable Condition
  • Engine start
  • Voltage is between 11V and 16V
Threshold Value
  • Signal open or Short in circuit
Diagnosis Time
  • Continuous
Mil On Condition
  • NO MIL
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