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Home › Kia › 2019 › Forte LXS › Repair and Diagnosis › Engine Performance › System › Engine Control System Diagnosis (2 Of 6) › DTC P0123-00: Throttle Position Sensor 1 Signal Circuit High Input › DTC Information › DTC Detecting Condition

DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • Signal monitoring - high voltage (TPS1)
  • Poor connector connection
  • Signal circuit open/short
  • Ground circuit open
  • Faulty TPS
  • Faulty PCM
Enable Conditions
  • Ignition "ON"
Threshold Value
  • TPS1 voltage > 4.9V
Diagnostic Time
  • 0.05s
MIL ON Condition
  • 1 driving cycle
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