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Home >> Genesis >> 2021 >> G80 2.5T Advanced, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis - 2.5L (2 Of 6) >> DTC P0121-00: Throttle Position Sensor 1 Signal Circuit Range/Performance >> DTC Information And Inspection >> DTC Detecting Condition
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DTC Information And Inspection: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • Plausibility check
  1. Poor connector connection
  2. Faulty TPS
  3. Throttle plate operation failure
  4. Throttle body
  5. Faulty ECM
Enable Condition
  • Ignition "ON"
  • Enable TPS learning mode
  • MAF or MAP sensor control normal
Threshold Value
  • When a validity error is detected between a large amount of air flow through the TPS1 and the corresponding TPS1 position
  • Difference in filtered air flow between TPS1 and the intake air flow is greater than 1.0
  • Difference in integrated air flow between TPS1 and the intake air flow is greater than 40
Diagnostic Time
  • 0.01 seconds
MIL ON Condition
  • 1 driving cycle