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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 P0A0F: Engine Failed To Start >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

Item Detecting Condition Possible cause
DTC Strategy
  • Check engine System
  1. Generator (HSG) System
  2. Generator (HSG) Belt
  3. Engine Ignition System
  4. Engine Fuel System
  5. Engine Mechanical System
  6. Etc. Engine System
Enable Conditions
  • Ignition Key "ON"
  • Battery voltage is between 10V and 16V
  • HPCU Ready
  • HEV Ready
Case 1 Threshold Value
  • HSG cranking fail count is more than 2 times (Cranking Fail)
Case 2 Threshold Value
  • Engine system state is 'not ready' for 7.5 sec. (Not Ready)
Case 3 Enable Conditions
  • Zone with abnormal engine idle
  • Clutch phase Open
  • Engine Clutch Pressure set point value 0 bar
  • Engine Clutch Fluid Pressure is higher than 0.5 bar
  • Coolant temperature is higher than -30°C
  • ATF Temperature is higher than -30°C
Threshold Value
  • In case engine stall is maintained below 350 - 450 RPM (according to the coolant temperature) for 2.4 seconds (more than 3 times)
DTC
  • 1 Driving Cycle
Service Lamp On Condition
  • 1 Driving Cycle