Two Technicians Are Discussing Automatic Transmissions

Multiple Choice

Two technicians are discussing automatic transmissions. Technician A says as engine vacuum increases, the vacuum moves the modulator valve to expose the exhaust port and reduces the amount of modulated pressure. Technician B says when there is no vacuum to the vacuum modulator valve, a spring moves the valve to increase modulator pressure. Who is correct?

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