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Home >> Kia >> 2023 >> Sorento X-Line EX >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 11 (Engine Control System Diagnosis - 2.5L (VIN C) (3 Of 14) (Except HEV)) >> DTC P0121-00: Throttle Position Sensor 1 Signal Circuit Range/Performance >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

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Item Detecting Condition Possible Cause
DTC Strategy
  • Monitor the TPS1, 2 performance
  • Poor connector connection
  • TPS
  • PCM
  • Throttle body
  • Throttle plate disorder
Enable Conditions
  • Ignition "ON"
  • TPS adaptation mode active
  • MAFS or MAP sensor control is normal
Threshold Value
  • Plausibility check between mass air flow through TPS1 and the corresponding TPS2 position
  • The difference in the filtered air flow between TPS1 and the intake air flow is greater than 1.0
  • The difference between TPS1 and the intake air flow is greater than 30
Diagnostic Time
  • 0.01s
MIL ON Condition
  • 1 driving cycle
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