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Home >> Hyundai >> 2021 >> Elantra N Line, Standard Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 20 (Automatic Transaxle System Diagnosis - 2.0L (Except HEV)) >> DTC P0743-00: Torque Converter Clutch Solenoid Valve Electrical >> DTC Information And Inspection >> DTC Detecting Condition

DTC Information And Inspection: DTC Detecting Condition

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Trouble shooting Prerequisite condition Possible Cause
Main action
  • Monitor the voltage range (Open/Short)
  1. Open/Short in circuit
  2. Faulty torque converter clutch Hydraulic system
  3. Faulty torque converter clutch solenoid valve
  4. Faulty valve body
Prerequisite condition
  • Battery voltage is higher than 10V
Threshold Value
  • Open in the circuit
Detecting Time
  • 0.3 sec
MIL ON Condition
  • 2 driving cycles
Fail safe
  • Damper clutch: OFF (Duty 0%)
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