While Having a Discussion, Technician a Says That a Conventional

Multiple Choice

While having a discussion, Technician A says that a conventional automatic transmission uses sequence control in which the solenoid controls a typical spool-type shift valve that sends fluid to the clutch or servo. Technician B says it uses direct electronic control with PWM solenoid valves. Who is correct?

A) A only
B) B only
C) Both A and B
D) Neither A nor B