The PCM/TCM is not going to set a DTC Except if There's a challenge Along with the electrical circuit managing the torque converter clutch solenoid. When it comes to torque converters, some frequent difficulties could be encountered. On the whole, the torque converter is just not an incredibly challenging bit https://charliemuuut.tribunablog.com/the-basic-principles-of-torque-converter-clutch-48093970