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Home >> Genesis >> 2019 >> G70 2.0T Advanced, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis - 2.0L (1 Of 4) >> DTC P0123-00: Throttle Position Sensor 1 Signal Circuit High Input >> DTC Information >> DTC Detecting Condition
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DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
Main Action
  • 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
Case 1 Prerequisite condition
  • Ignition switch is turned "ON".
Threshold Value
  • TPS1 output voltage is higher than 4.9V
  • Sensor signal circuit is open or shorted to power supply circuit.
Case 2 Prerequisite condition
  • Ignition switch is turned "ON".
  • Engine is running at idle.
  • Targeted throttle angle is lower than 58%.
  • TPS2 failure is detected.
Threshold Value
  • TPS1 output voltage at idle is higher than 3.0V
  • Sensor signal circuit is open or shorted to power supply circuit.
Diagnostic Time
  • Continuously
Mil On Condition
  • 2nd Driving Cycle