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Home >> Hyundai >> 2021 >> Tucson Value, FWD >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnosis - 2.0L (1 Of 3) >> DTC P0123-00: Throttle/Pedal Position Sensor/Switch 'A' Circuit High Input >> DTC Information >> DTC Detecting Condition
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DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • Voltage range check
  1. Open in ground circuit
  2. Short to battery in signal circuit
  3. Open in signal circuit
  4. Poor connection or damaged harness
  5. Faulty TPS1
Enable Conditions
  • Ignition "ON"
Threshold Value
  • TPS 1 signal voltage is higher than 4.9V.
  • TPS 1 signal voltage is higher than 3.0V at engine idle.
Diagnostic Time
  • Continuous
Mil On Condition
  • Immediately