What Is the Trailer Sway Control Feature on Trucks?

Safety becomes a major concern when hauling a trailer, not just for the truck driver but for all road users. One biggest challenges that truck drivers often face is trailer sway, a dangerous condition that can lead to loss of vehicle control and, potentially, serious accidents. Many modern trucks are equipped with an innovative technology known as Trailer Sway Control (TSC) to combat this issue. This feature enhances road safety by automatically stabilizing the trailer and maintaining vehicle control during towing operations.

Understanding Trailer Sway

Trailer sway can be described as the lateral movement of a trailer, where it begins to swing side to side behind the tow vehicle. This can be triggered by various factors such as high winds, sudden maneuvers, uneven road surfaces or improper trailer loading. The sway might start as a small oscillation but can quickly escalate into uncontrollable swinging if not properly managed, posing a significant danger.

How Trailer Sway Control Works

Trailer Sway Control is a technology integrated into a vehicle’s electronic stability control system, and is included in many new Chevrolet and new Ford for sale. It detects the motion of the trailer through sensors that monitor the vehicle’s yaw (rotation around a vertical axis) and the steering angle. When the TSC system detects movements that indicate the start of sway, it takes corrective actions to stabilize the trailer.

The corrective measures typically involve the automatic application of brakes and adjustment of engine torque. Depending on the severity of the sway and its potential danger, TSC can activate the brakes on individual wheels of the tow vehicle and sometimes on the trailer itself. By selectively braking, the system helps realign the trailer and tow vehicle, effectively dampening the sway.

Benefits of Trailer Sway Control

1. Improved Safety: The primary benefit of Trailer Sway Control is the increased safety it provides. By preventing the trailer from swaying, TSC minimizes the risk of accidents caused by loss of control. This is especially important on highways and in windy conditions, where trailer sway is more prevalent.
2. Increased Driver Confidence: Drivers towing trailers equipped with TSC can feel more confident and comfortable, knowing that the system is there to help maintain stability. This can be particularly reassuring for less experienced drivers or those unfamiliar with towing.
3. Protection of Cargo: By stabilizing the trailer, TSC also protects the cargo from damage caused by excessive movement. Secure transportation of goods is helpful for commercial operations, making TSC a valuable feature for logistics and delivery companies.
4. Reduced Wear and Tear: Frequent swaying can lead to increased wear and tear on the trailer and the tow vehicle, particularly on the hitch system and tires. By controlling sway, TSC contributes to a longer vehicle lifespan and reduced maintenance costs.

Is Trailer Sway Control Necessary?

While not all towing situations require Trailer Sway Control, its importance cannot be overstated, especially when transporting heavy or large trailers. For those regularly involved in towing, whether for personal or commercial purposes, investing in a vehicle with TSC can be a wise decision for the added safety and peace of mind it provides.

A Safer Towing Experience

Trailer Sway Control is a remarkable technological advancement in vehicle safety. It provides a safer towing experience by keeping both the trailer and tow vehicle stable under various conditions. As towing becomes more common with recreational and commercial vehicles alike, features like TSC are becoming valuable tools in promoting road safety and reliability.