P0741-00 Torque Converter Clutch Circuit Performance Stuck Off: Notes

For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article  .

• When Monitored 

  The Ignition Switch is ON.

• The system voltage greater than 10.5 Volts.
• The Transmission Control Module (TCM) is not operating in a diagnostic service mode.
• Engine speed is greater than a calibrated value than 400 RPM.
• No Engine speed sensor electrical failure.
• No CAN Bus-Off fault has been detected.
• No ECM Communication fault has not been detected.
• The TCM is not operating in limp home mode.
• Gear in D for 4000ms.
• Engine coolant temperature greater than 40°C (104°F).
• Oil temperature greater than 20°C (68°F).
• SLU greater than 513kpa (74.4 PSI).
• No input speed or output speed sensor faults have been detected.
• No shift solenoid faults have been detected.
• No linear solenoid faults have been detected.
• No oil temperature sensor faults have been detected.
• No gear selector position sensor faults have been detected.
• No engine coolant temperature faults have been detected.
• No engine torque faults have been detected.
• No throttle faults have been detected.
• No gas pedal faults have been detected.
• Speed is greater than 22 khm/h.
• In 4th, 5th or 6th gear.
• Throttle greater than calibrated value.
• Engine torque greater than calibrated value.
• Set Condition 

  Engine speed minus Input speed is greater than or equal to 100 rpm for two seconds for two consecutive ignition cycles.

• Default Actions 
• MIL will be illuminated.
• Torque Converter Clutch (TCC) disabled.

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE   .