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Home >> Hyundai >> 2017 >> Azera Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (1 Of 3) >> DTC P0121: Throttle Position Sensor 1 Signal Circuit Range/Performance >> General Information >> DTC Description

DTC Description

PCM monitors output signals from TPS 1 and 2. If output signals differ between TPS1 and TPS2 by more than 8% for one drive cycle, the PCM sets a P0121 DTC.

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