Technician A says that a green J1939 9-pin DLC is required to access the data bus on MY 2014 and later trucks. Technician B says that a 16-pin J1961 DLC is required to access post-2014 Volvo and Mack Trucks. Who is correct??

Question

Quizplus · Accepted Answer

Both technicians are correct. Technician A is correct because a green J1939 9-pin DLC is required to access the data bus on MY 2014 and later trucks. Technician B is correct because a 16-pin J1961 DLC is required to access post-2014 Volvo and Mack Trucks.

Technician a Says That a Green J1939 9-Pin DLC Is