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Home >> Kia >> 2019 >> K900 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (5 Of 8) >> DTC P050B-00: Cold Start Ignition Timing Performance >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • Ignition efficiency check during catalyst heating
  • Restriction in intake or exhaust system
  • Air leakage
  • Checking operation of ETC
Enable Conditions
  • Catalyst heating (ECT at engine start is between -10°C (14°F) and 43° C (109.4°F))
  • Time after start is longer than 5s
  • Vehicle speed is slower than 56.32 km/h (35 MPH)
  • Gas Pedal value is less than 0.01% (Pedal is not pushed at all)
  • Ignition efficiency set point for Catalyst heating is lower than or equal to 0.8
  • Cumulative diagnostic time is longer than 5s
Threshold Value
  • Ignition angle efficiency quotient is greater than 0.2
Diagnosis Time
  • 20s
MIL On Condition
  • 2 driving cycles