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Home >> Kia >> 2022 >> Carnival EX >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (6 Of 8) >> DTC P2181-00: Cooling System Performance >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • Electrical check
  • Poor connector connection
  • Short to ITM circuit
  • ITM
Enable Condition
  • Less than 20% of percentage of deceleration fuel cut-off time
  • Less than 50% of percentage of low load state (air flow below 20kg/h)
  • Less than 90% of percentage of high speed state (vehicle speed more than 140 km/h (86.9 MPH))
  • Engine speed greater than 4800 RPM at vehicle stop
  • Engine coolant temperature at startup is more than -9.8 to 54.8°C (14.3 to 130.6°F)
  • Intake temperature is more than -9.8°C (14.3°F) at the start
  • Ambient temperature is more than -9.8°C (14.3°F)
Threshold Value
  • When the measured coolant temperature is below 69 to 79°C (156.2 to 174.2°F) while the coolant model temperature is greater than 80 to 90°C (176 to 194°F)
Diagnostic Time
  • 10 to 30 minutes (depending on coolant temperature and operating conditions at startup)
MIL ON Condition
  • 2 driving cycles