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Home >> Kia >> 2016 >> Optima SX Limited >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 95 (Engine Control System Diagnosis - 1.6L (1 Of 3) - Optima (Except HEV)) >> DTC P0121: Throttle/Pedal Position Sensor/Switch 'A' Circuit Range/Performance >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

WARNING: This page is about a different variant/trim than selected.
Item Detecting Condition Possible Cause
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
  6. APS
Enable Conditions
  • Ignition "ON" or Engine running
Threshold Value
  • Absolute value of difference of TPS1 position and TPS2 position greater than 6.3%
Diagnostic Time
  • 0.14s
MIL ON Condition
  • 1 driving cycle
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