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Home >> Hyundai >> 2015 >> Sonata Eco >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 57 (Engine Control System Diagnosis (2 Of 2) (HEV)) >> DTC P2104: Throttle Actuator Control System - Forced Idle >> General Information >> DTC Description

DTC Description

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

PCM sets DTC P2104 to indicate etc. system malfunction has occurred and engine is in Limp-Home mode. The PCM limited opening angle of the throttle valve to max. 50% and engine torque to a certain predetermined value after setting the DTC, as an Emergency Operation (Limp-Home) mode.

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