Should the solenoid operates adequately, the issue is probably from the torque converter by itself. In case the solenoid doesn't allow air to stream, place it in the clean container of automatic transmission fluid and electrically cycle it to view If you're able to remove any blockage within the solenoid. https://torque-converter-clutch53940.blogrenanda.com/40572532/what-does-torque-converter-clutch-mean