There are lots of ways of locking the torque converter clutch. These discrepancies are purpose in the hydraulic circuit controlling the clutch actuation. In several instances, a car or truck will reset from limp manner when turned off, only to re-enter limp manner once more when freeway speeds are reached. https://augustglnkj.elbloglibre.com/34228270/the-torque-converter-clutch-diaries