Controller Area Network (CAN) bus diagnostics is being discussed. Technician A says the first step is to verify the customers complaint. Technician B says you must determine which bus network 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

Question

Quizplus · Accepted Answer

Both technicians are correct. Verifying the customer's complaint is a standard first step in diagnostics to understand the issue. Determining which bus network is at fault is essential in CAN bus diagnostics due to the presence of multiple bus networks in modern vehicles.

Controller Area Network (CAN) Bus Diagnostics Is Being Discussed