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Home >> Hyundai >> 2017 >> Sonata Base >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 42 (Engine Control System Diagnosis - 2.0L (2 Of 3) (Except HEV)) >> DTC P0449: Evaporative Emission System-Vent Valve/Solenoid Circuit >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

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Item Detecting Condition Possible cause
DTC Strategy
  • Electrical Check
  1. Canister air filter contamination
  2. Faulty CCV
Enable Conditions
  • Battery voltage is between 10 V and 16 V
  • Evap. leakage monitoring not active
Threshold Value
  • Fuel Tank Pressure is less than -3500 pa
Diagnostic Time
  • 10 sec
Mil On Condition
  • 2 Driving Cycles
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