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Home >> Genesis >> 2021 >> G90 5.0 Ultimate, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 5 (Engine Control System Diagnosis - 3.3L (6 Of 9)) >> DTC P050B-00: Cold Start Ignition Timing Performance >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

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Item Detecting Condition Possible Cause
DTC Strategy
  • Ignition efficiency check during catalyst heating
  1. Faulty Ignition Coil
  2. Faulty ECM
Enable Conditions
  • Catalyst heating (ECT at engine start is between -10°C (14°F) and 43°C (109.4°F))
  • Time after engine start is more than 9 seconds
  • Vehicle speed is lower than 56.32 km/h (35 mph)
  • Gas pedal value is less than 0.01%
  • Catalyst heating ignition efficiency set point is less than 0.8
  • Accumulated diagnostic time is greater than 5 seconds
Threshold Value
  • Ignition angle efficiency quotient is greater than 0.2
Diagnosis Time
  • 20 seconds
MIL On Condition
  • 2 Drive Cycles