The torque converter clutch solenoid is a standard section that fails inside the automatic transmission. The solenoid valve controls the fluid tension on the hydraulic transmission, which enters the lock-up clutch. If the clutch is disengaged, the torque converter will allow the motor to rotate without the need of stalling. https://louisxdfge.gynoblog.com/33408558/the-torque-converter-clutch-diaries