Technician A says that a fault code indicating a coolant temperature sensor problem could be the fault of a defective coolant-temperature sensor or its circuit. Technician B says that a fault code...

Technician A says that a fault code indicating a coolant temperature sensor problem could be the fault of a defective coolant-temperature sensor or its circuit. Technician B says that a fault code indicating a coolant temperature sensor problem could be the result of a defective thermostat in the engine cooling system. Who is correct?

A. Technician A only

B. Technician B only

C. Both technicians

D. Neither technician