Two Technicians Are Discussing Automatic Transmissions

Multiple Choice

Two technicians are discussing automatic transmissions. Technician A says on many hydraulically controlled transmissions, the modulator valve receives vacuum from the engine. Technician B says the vacuum modulator converts the engine vacuum signal into a hydraulic pressure called modulator pressure. Who is correct?

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