There are numerous ways of locking the torque converter clutch. These differences are function in the hydraulic circuit controlling the clutch actuation. The TCM controls the TCC solenoid. Should the solenoid were to stick closed, the TCC would stay engaged even though the vehicle slows to some end. This resistance https://holdenahjhf.bluxeblog.com/66349746/getting-my-torque-converter-clutch-to-work