One of the questions we get asked most often is what is trailer stablilty and does my car have this safety feature.

So what is Trailer stabilty or TSP?

When trailers or caravans start to sway dangerously, it is usually a result of the way of driving, speed, crosswinds, road condition and/or, a badly laden trailer or caravan. Caravans and horse box trailers present a special risk. When "snaking" occurs, many drivers display the wrong reaction and under stress, try to keep their tow vehicle and trailer on track by counter steering. This will only amplify the swaying effect and eventually result in an accident. If snaking has started, it could be difficult or even impossible to suppress. This makes the car/trailer combination difficult to control and there is a risk that you could, for example, end up in the wrong lane or leave the carriageway.

The specific additional function of ESP, known as the Trailer Stability Program (TSP), recognizes swaying on the basis of the typical yaw rate in the tow vehicle. This allows for the right measures to be initiated at an early stage: the towing combination is slowed down to a non-critical speed by automatically braking all 4 wheels of the towing vehicle individually, whilst simultaneously reducing the engine speed and thus correcting the swaying movement. In most cases, providing the vehicle has been equipped a "Vehicle Specific Towbar Wiring Kit", the additional software in the ESP module is activated as soon as the electrical connection cable of the trailer is plugged into the towbar socket.

For videos explaining tralier stability please click HERE

Trailer stablilty saftey feature computer recode towbar

Image from Honda

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Trailer Stablilty

Download our PDF file that shows which cars have trailer stability and if your car will need a computer re-code

Towbex LTD

Towbar fitting

Towbex LTD
67 chartwell road lancing business park
LancingWest Sussex BN15 8FD

Tel: 01903 854770