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Home >> Hyundai >> 2012 >> Elantra GLS, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (2 Of 2) >> DTC P2104: Throttle Actuator Control System-Forced Idle >> General Information >> DTC Description

DTC Description

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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