The torque converter clutch solenoid is always energised (stuck on) which translates to the torque converter being always locked. Inside a torque converter you will find at least three rotating things: the impeller, which is mechanically pushed from the primary mover; the turbine, which drives the load; as well as https://torque-converter-clutch31852.mybuzzblog.com/13694865/5-simple-techniques-for-torque-converter-clutch