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Home >> Kia >> 2022 >> EV6 Light >> Repair and Diagnosis >> Transmission >> Transmission Control Systems >> Vehicle Control System Diagnosis (1 Of 2) >> DTC P31D0-04: VCU Control Unit Error >> DTC Information >> DTC Detecting Condition
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DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • Signal check
  • Poor connector connection
  • Faulty VCU
Enable Conditions
  • Ignition "ON"
  • Auxiliary battery voltage is between 10V and 16V
  • Diagnosis is entered when the above conditions are satisfied and maintained for more than 0.5s
Threshold Value
  • If a VCU faulty is detected
Diagnostic Time
  • Immediately
MIL Lamp
  • ON
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