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Home >> Hyundai >> 2015 >> Sonata Eco >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 125 (Engine Control System Diagnosis (1 Of 2) (HEV)) >> DTC P0449: Evaporative Emission System-Vent Valve/Solenoid Circuit >> General Information >> DTC Detecting Condition

General Information: DTC Detecting Condition

WARNING: This page is about a different variant/trim than selected.
Item Detecting Condition Possible Cause
DTC Strategy
  • Canister Close Valve stuck Closed
  1. Canister air filter contamination
  2. Faulty CCV
Enable Conditions
  • Battery voltage is between 11V and 16V
Threshold Value
  • Fuel Tank Pressure is lower than -5.7 kPa.
Diagnostic Time
  • 10 sec.
MIL On Condition
  • 2 Driving Cycles
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