The torque converter clutch solenoid is a typical section that fails in just the automated transmission. The solenoid valve controls the fluid force of the hydraulic transmission, which enters the lock-up clutch. In many instances, a automobile will reset from limp method when turned off, only to re-enter limp mode https://brooksvbdfe.suomiblog.com/considerations-to-know-about-torque-converter-clutch-49880917