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Home >> Kia >> 2017 >> Cadenza Technology >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnosis (2 Of 6) >> DTC P0121-00: Throttle Position Sensor 1 Signal Circuit Range/Performance >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • Reasonable comparison monitoring between TPS1 and TPS2
  1. Poor Connector Connection
  2. TPS
  3. ECM
Enable Conditions
  • Engine speed is higher than 640RPM to 960RPM during engine "ON"
  • No TPS learning needs
Threshold Value
  • Difference between TPS1 and TPS2 is more than 8%
Diagnostic Time
  • 0.3s
MIL ON Condition
  • 1 driving cycle
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