Two technicians are discussing electronic control of transmissions. Technician A says that control is based on hydraulic and vacuum controls. Technician B says that the transmission contains several computer sensors and actuators. Who is correct?
A) A only
B) B only
C) Both A and B
D) Neither A nor B

Question

Quizplus · Accepted Answer

Technician B is correct. Modern transmissions are controlled by a combination of computer sensors and actuators, which adjust hydraulic pressure to shift gears smoothly. While older transmissions may have relied more heavily on hydraulic and vacuum controls, these methods are now largely obsolete.

Two Technicians Are Discussing Electronic Control of Transmissions