What this means is that there's a number of electric power shed from the torque converter, dissipated as warmth. In order to strengthen its efficiency, makers added a lock-up clutch on the torque converter. Inevitably, galling with the mating parts occurs, which triggers seizure. A converter using a seized stator https://torqueconverterclutch97429.ampedpages.com/torque-converter-clutch-an-overview-60952934