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Home >> Kia >> 2016 >> Optima SX Limited >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 91 (Engine Control System Diagnosis - 1.6L (3 Of 3) - Optima (Except HEV)) >> DTC P0638: Throttle Actuator Control 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
  • Throttle response check
  1. Throttle stuck
  2. Open in motor circuit
  3. Faulty motor
  4. Faulty ECM
Enable Conditions
  • Ignition "ON"
  • Battery voltage is greater than 8V
Threshold Value
  • Difference between target throttle angle and actual throttle angle is greater than threshold
Diagnostic Time
  • 0.5s
MIL ON Condition
  • 1 driving cycle
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