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Home >> Hyundai >> 2021 >> Ioniq Hybrid SEL >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Testing and Diagnosis >> HCU/Low Dc-Dc Converter Diagnosis (HEV) >> DTC P1A8C: DC/DC Converter Input Current Over Fail >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • Temperature check
  1. LDC input/output wire harnesses and connectors
  2. LOW Battery Wire Harness
  3. LOW battery deterioration
  4. Discharge vehicle jump attempt
  5. LDC failure
Enable Conditions
  • Ignition ON
  • Aux. Battery Voltage is between 9V and 16V
Threshold Value
  • Abnormal Input Current 23.8A.
Diagnosis Time
  • Immediately
DTC
  • 1 Driving Cycle
Service Lamp On Condition
  • 1 Driving Cycle