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Nearly all new vehicles are built with traction control as a factory equipped feature. Traction control and anti-lock brakes share much of the same technology in the vehicle including wheel speed sensors and vehicle speed sensors. The traction control system uses a module that interprets all the input signals from each wheel sensor and the vehicle speed sensor, and compares them to determine if one or more wheel is slipping. Essentially, it operates like anti-lock brakes on acceleration instead of deceleration. If wheel slip is detected, the module sends a signal to apply the brakes slightly or to reduce the engine power momentarily to regain traction. If the traction control module isn’t functioning as it should, you may experience traction control activation when all four wheels have perfect traction, uncontrolled tire spin on acceleration, or the service traction control malfunction indicator may illuminate. Also, the anti-lock brakes, or ABS brakes, may operate erratically as the two systems are closely related.
If you experience one or more symptoms that you suspect could be related to the traction control system or traction control module, have one of our expert mechanics diagnose and replace the module. Specialized machinery may be required to install and program the module as well.
As improper traction control operation can cause unsafe vehicle operating conditions, a problem with the traction control module should be diagnosed and corrected as soon as possible.