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Home >> Hyundai >> 2021 >> Ioniq Hybrid SEL >> Repair and Diagnosis >> Engine Mechanical >> Cooling System (Mechanical) >> Active Air Flap-Left Diagnosis (HEV) >> DTC P1238: Active Air Flap Plausibility Check Fail >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • Voltage detection
  1. Abnormality in the feedback sensor
Enable Conditions
  • IG "ON"
Threshold Value
  • If the change rate of the feedback sensor voltage on the drive shaft and sensing shaft is higher than the reference value
Diagnosis Time
  • If it has occurred 5 times within 5 seconds after it occurred initially
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