Technician A says J1850 protocol is the class B standard for OBD II. Technician B says the J1850 standard allows for four different versions based on baud rate. 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

Technician A is correct because J1850 is indeed the class B standard for OBD II. Technician B is incorrect because J1850 does not have four different versions based on baud rate; it primarily has two versions: PWM (Pulse Width Modulation) and VPW (Variable Pulse Width).

Technician a Says J1850 Protocol Is the Class B Standard