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Home >> Kia >> 2019 >> Optima EX >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnosis - 1.6L (3 Of 6) (Except HEV) >> DTC P0221: Throttle/Pedal Position Sensor/Switch 'B' Circuit Range/Performance >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
Case 1 DTC Strategy
  • Rationality check between TPS1 and TPS2
  1. Poor connection
  2. TPS
  3. ECM
  4. Obstruction in the throttle plate movement
  5. Throttle body
Enable Conditions
  • Engine Speed greater than 320 rpm
Threshold Value
  • Absolute value of difference of TPS1 position and TPS2 position greater than 6.3 %~12.2 %
Diagnostic Time
  • 0.14s
Case 2 DTC Strategy
  • If different, check between TPS2 and Model TPS
Enable Conditions
  • Engine Speed greater than 320 rpm
Threshold Value
  • Absolute value of difference of TPS2 position and Model TPS (if TPS1 error) greater than 9%
Diagnostic Time
  • 0.2s
MIL ON Condition
  • 1 driving cycle
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