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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 U0293: Lost Communication With Hybrid Powertrain Control Module >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • HCU CAN signal confirmation
  1. Open or Short in CAN communication Line
  2. Faulty HCU
Enable Conditions
  • 2 seconds later after IG KEY ON
Threshold Value
  • No CAN signal from HCU
Diagnosis Time
  • 2 seconds
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