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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 P0456: Evaporative Emission System-Leak Detected (Very Small Leak) >> General Information >> DTC Description

DTC Description

WARNING: This page is about a different variant/trim than selected.

P0456 is set when there is small leakage in the Evaporative Gas Control System.

(PCM monitors the state of negative pressure by NVLD pressure switch signal.)

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