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Home >> Kia >> 2017 >> Optima Plug-In Hybrid EX >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (2 Of 3) (PHEV) >> 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 Monitoring during catalyst heating
  1. Poor Connector Connection
  2. Incorrect Valve Timing
  3. Faulty Oil Control Valve
  4. Faulty Cam Phaser
  5. Faulty Intake CVVT Assembly
Enable Conditions
  • Catalyst heating - Engine speed increase active
  • Engine Coolant Temp. at start higher than 14°F (-10°C) and lower than 91.4°F (33°C)
  • 5s after engine start
  • Vehicle speed lower than 1.9mph (3 km/h)
  • Pedal value less than 0.01% (pedal sensor 1 voltage 0.859V, not pushed at all)
  • Catalyst heating ignition efficiency set point less than 1.0
  • 5s of accumulated diagnostic time
Threshold Value
  • Ignition Angle Efficiency Quotient more than 0.2
Diagnostic Time
  • 20s
Mil On Condition
  • 2 Driving Cycles