Controller Area Network (CAN) Bus Diagnostics Is Being Discussed

Multiple Choice

Controller Area Network (CAN) bus diagnostics is being discussed. Technician A says a scan tool is used to access the central gateway module for the bus network. Technician B says if the scan tool can communicate with the central gateway module, then the CAN C circuit is at fault. Who is correct?

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