I generally advise you get rid of the torque converter with the transmission to diagnose it thoroughly. There is a challenge Using the electrical circuit from the torque converter clutch solenoid. Because of this the Manage module (PCM/TCM) can not thoroughly Regulate the clutch, which suggests that the torque converter https://torqueconverterclutch64073.thekatyblog.com/32966996/torque-converter-clutch-no-further-a-mystery