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Home >> Genesis >> 2021 >> G90 5.0 Ultimate, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 32 (Engine Control System Diagnosis - 3.3L (4 Of 9)) >> DTC P0234-00: Turbocharger/Supercharger Overboost Condition >> 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
  • Plausibility check
  1. Inspect air cleaner
  2. Intake side leakage
  3. Intake side blocked
  4. Inspect waste gate valve and recirculation valve
  5. (RCV) control hose blocked/leak/assemble improperly.
  6. Faulty Boost Pressure Sensor
Enable Conditions
  • Difference between throttle (charger) pressure and atmospheric (BARO) pressure is higher than 30 kPa
  • No gear changed
Threshold Value
  • Difference between boost pressure and desired value is higher than 25 kPa ~ 135 kPa
Diagnostic Time
  • 1 second
MIL On Condition
  • 2 driving cycles
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