Technician A says that the device that controls shift points on an automatic transmission is the valve body. Technician B says that the device that controls shift points on an automatic transmission is the computer. Who is correct?
A) Technician A only
B) Technician B only
C) Both A and B
D) Neither A nor B
Answer: Technician B only
Explanation:
What actually controls the shifting in a automatic transmission is the vehicle’s internal computer that helps shift the gears automatically. This includes a Control Module that adjusts the current provided to solenoids inside to control the gears The hydraulic system is used to select gears dependent on the transmission fluid’s pressure applied.