By mechanically linking the turbine to the pump, it results in a ‘lock-up’ situation, fundamentally reworking the fluid coupling right into a rigid coupling, akin to a locked handbook transmission clutch. Not enough suitable torque converter operation normally leads to the storage of one or more Lively diagnostic fault codes. https://emilianohieau.pointblog.net/5-easy-facts-about-torque-converter-clutch-described-78217004