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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 P050A-00: Cold Start Idle Air Control System Performance >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

WARNING: This page is about a different variant/trim than selected.
Item Detecting Condition Possible Cause
DTC Strategy
  • Monitoring deviation between target idle speed and actual engine speed during catalyst heating.
  1. Restriction in intake or exhaust system
  2. Air leakage
  3. 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 9 seconds
  • 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)
Threshold Value
  • Current RPM is lower than target RPM as much as 270 RPM (Engine speed is too low) and idle torque controller is equal to 40 N.m during 5 seconds
  • Current RPM is higher than target RPM as much as 500 RPM (Engine speed too high) and idle torque controller is equal to -20 N.m during 5 seconds
Diagnosis Time
  • 5 seconds
MIL On Condition
  • 2 driving cycles