Should the solenoid operates thoroughly, the trouble is probably during the torque converter itself. When the solenoid doesn't allow air to stream, location it within a clean container of computerized transmission fluid and electrically cycle it to find out if you can get rid of any blockage from the solenoid. https://torque-converter-clutch08417.ltfblog.com/33187460/not-known-factual-statements-about-torque-converter-clutch