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Home >> Hyundai >> 2014 >> Equus Signature >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (1 Of 3) >> DTC P0121: Throttle Position Sensor 1 Signal Circuit Range/Performance >> DTC Information >> DTC Description

DTC Description

ECM sets DTC P0121 if ECM detects that throttle valve position, calculated with signal value of TPS1 and TPS2, is over the designated value.

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