The torque converter clutch solenoid is often energised (caught on) which translates into your torque converter being normally locked. The TP sensor signifies the throttle plate angle. If the driving force accelerates to broad-open throttle, the TCM disengages the TCC to downshift. The torque converter permits the engine to idle https://torqueconverterclutch08530.blogdemls.com/33877654/the-basic-principles-of-torque-converter-clutch