The torque converter clutch solenoid is often energised (stuck on) which interprets to the torque converter getting usually locked. In both situation, the potential of incurring further transmission injury shouldn’t be ruled out, when attempting to travel for prolonged amounts of time by using a unsuccessful torque converter clutch solenoid. https://torqueconverterclutch18516.eedblog.com/34352081/torque-converter-clutch-fundamentals-explained