Technician A says that the ECMs used on commercial truck applications of diesel CR are networked on the CAN-C bus. Technician B says that the diesel engine ECMs used on automobile and light truck applications of diesel CR are networked exclusively by the J1939 bus.Who is correct?

Question

Quizplus · Accepted Answer

The CAN-C bus is typically used for high-speed communication in automotive applications, while J1939 is a standard for networking and diagnostics in heavy-duty vehicles, not exclusively used for diesel engine ECMs in automobiles and light trucks.

Technician a Says That the ECMs Used on Commercial Truck