The torque converter clutch solenoid is often energised (caught on) which translates into your torque converter currently being generally locked. When the clutch is disengaged, the torque converter allows the engine to rotate without stalling. While the car is slowing and approaching a halt, the TCC's application is undesirable. Just https://shaneuafgh.bloggazzo.com/33311229/torque-converter-clutch-for-dummies