The torque converter clutch solenoid is a standard section that fails inside the automatic transmission. The solenoid valve controls the fluid tension from the hydraulic transmission, which enters the lock-up clutch. This may range from reduced fluid concentrations or a malfunctioning cooling program to a far more critical internal trouble. https://torqueconverterclutch20628.bloguerosa.com/33221178/facts-about-torque-converter-clutch-revealed