Technician A says that many traction control systems reduce engine torque to help the drive wheels achieve traction. Technician B says that hydraulic pressure from the electrohydraulic unit supplies brake fluid pressure to the wheel brake that is spinning during a traction control event. Which technician is correct?

Question

Quizplus · Accepted Answer

Both technicians are correct. Technician A is correct in stating that many traction control systems reduce engine torque to help the drive wheels achieve traction, which is a common method for managing traction control. Technician B is correct in stating that during a traction control event, hydraulic pressure from the electrohydraulic unit can supply brake fluid pressure to the wheel brake that is spinning, which helps to regain traction by applying the brake to the spinning wheel.

Technician a Says That Many Traction Control Systems Reduce Engine