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Home >> Hyundai >> 2015 >> Accent GLS, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (1 Of 2) >> DTC P0121: 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
  • Plausibility check between
  1. Poor connection
  2. TPS
  3. ECM
Enable Conditions
  • IG "ON"
Threshold Value
  • TPS value difference between TPS1 position and TPS2 position is higher then 6.3%.
Diagnostic Time
  • 0.14sec
MIL ON Condition
  • 5 sec
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