08 Mazda5, Grand tour. I have a P0757 code, shift solenoid "B" stuck on, as well as P0732 and P0734, incorrect gear ratio in 2nd and 4th gears. I have already swapped both shift solenoids (not the pwm solenoids), flushed the transmission, and tried a newer TCM. I read that gears 2 and 4 are...