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Home >> Hyundai >> 2018 >> Kona Limited, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 142 (Automatic Transaxle System Diagnosis - 2.0L) >> DTC P0743-00: Torque Converter Clutch Circuit Electrical >> DTC Information And Inspection >> DTC Detecting Condition

DTC Information And Inspection: DTC Detecting Condition

WARNING: This page is about a different car, the 2021 Hyundai Kona. However, it is still accessible from the selected car via links, so may be relevant.
Troubleshooting Condition Possible Cause
DTC Strategy
  • Monitoring voltage range (Circuit open/short check)
 Torque converter control solenoid valve (T/CON_VFS)
  • Circuit open or short
  • T/CON_VFS valve fault
  • PCM/TCM
Enable Conditions
  • Completely opened or closed
  • Gear tightening
  • More than 0.3 second of the time elapsed after shifting
  • Solenoid supplied power value between 10V and 16V
Threshold value
  • Feedback current (Circuit short) value at operating is between 50mA and 550mA
  • Feedback current (Circuit open) value at operating is below 50mA
Detecting Time
  • More than 0.3sec.
Fail-safe
  • Locked into 4th gear
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