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Home >> Hyundai >> 2017 >> Sonata Base >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 38 (Engine Control System Diagnosis - 1.6L (3 Of 3) (Except HEV)) >> DTC P0638: Throttle Actuator Control Range/Performance >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

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Item Detecting Condition Possible Cause
DTC Strategy
  • Limp-home check
  1. Throttle stuck
  2. Open in motor circuit
  3. Faulty motor
  4. Faulty ECM
Enable Conditions
  • IG "ON"
Threshold Value
  • When the difference between actual and target throttle position is higher than limit value after ETC motor drives.
Diagnostic Time
  • 0.3 sec
MIL ON Condition
  • 1 driving cycle
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