What is the primary effect of Automatic Traction Control when wheel slip is detected?

What is the primary effect of Automatic Traction Control when wheel slip is detected?

• A. It increases engine torque to spinning wheels.
• B. It reduces engine torque and applies brakes to the wheels that have lost traction.
• C. It disengages the transmission.
• D. It disables the braking system.

Answer: (B)

Automatic Traction Control detects when a wheel is spinning faster than the vehicle’s speed and responds by reducing the engine’s torque to that wheel and applying braking to the slipping wheel. This combination slows the spinning wheel, increases friction, and helps transfer power to the wheel with better traction, allowing the vehicle to regain grip. Increasing torque would worsen slip, and disengaging the transmission or braking system would not address the loss of traction.

Automatic Traction Control detects when a wheel is spinning faster than the vehicle’s speed and responds by reducing the engine’s torque to that wheel and applying braking to the slipping wheel. This combination slows the spinning wheel, increases friction, and helps transfer power to the wheel with better traction, allowing the vehicle to regain grip. Increasing torque would worsen slip, and disengaging the transmission or braking system would not address the loss of traction.