Technician a Says Transmission Fluid Overheating Can Be Caused by a Defect

Multiple Choice

Technician A says transmission fluid overheating can be caused by a defect in the engine cooling system. Technician B says transmission cooler leaks can be diagnosed by removing and plugging the radiator hose inlet and outlet, then pressurizing the radiator with 50 to 70 psi of shop air while checking for bubbles in the transmission fluid. Who is correct?

A) A only
B) B only
C) both A and B
D) neither A nor B