There are plenty of ways of locking the torque converter clutch. These variances are perform on the hydraulic circuit controlling the clutch actuation. The TCM controls the TCC solenoid. Should the solenoid had been to stay shut, the TCC would stay engaged although the motor vehicle slows to the halt. https://torqueconverterclutch75184.widblog.com/89166607/a-secret-weapon-for-torque-converter-clutch