From Ross-Tech Wiki

17125/P0741/001857 - Torque Converter Clutch: Stuck OFF / No Power being transferred

Possible Causes

  • Automatic Transmission Fluid (ATF) Level not OK
    • Transmission Sealing faulty
  • Automatic Transmission Fluid (ATF) dirty
  • Torque Converter faulty or incorrect Torque Converter installed
  • Solenoid Valve 7 (N94)/Pressure Regulating Valve 4 (N218) faulty
  • Torque Converter Pressure Valve faulty
  • Valve for Torque Converter Clutch faulty
  • Torque Converter Lock-Up Clutch faulty/worn our

Possible Solutions

  • Check Automatic Transmission Fluid (ATF) Level
    • Check Transmission Sealing
  • Check Automatic Transmission Fluid (ATF)
  • Check Torque Converter
  • Check Solenoid Valve 7 (N94)/Pressure Regulating Valve 4 (N218)
  • Check Torque Converter Pressure Valve
  • Check Valve for Torque Converter Clutch
  • Check Torque Converter Lock-Up Clutch

Special Notes

  • When found in VW Passat (3B): 5-Speed Automatic Transmission (01V), check Transmission Sealing (see TPL 2009761).
    • The NAR (North American Region) TSB 01-07-22 or 2011908 should contain similar information about the internal torque converter seal failure.
  • When found in the NAR (North American Region) Audi vehicles with the 01V/01L family transmission check for similar torque converter failure issues explained in TSB 32-07-02 or 2010879/10.