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What does it mean when the traction control system off indicator light is on?

2 Answers
MacMaximus
07/29/25 6:08am
Traction control system off indicator light being on indicates that this function has been turned off. The light is normally on by default, and it might have been accidentally triggered by mistakenly pressing the OFF button. Press the button again to turn the light off. The traction control system, abbreviated as TCS, is also known as ASR or TRC. Its function is to ensure that the vehicle obtains optimal traction under various driving conditions. The control device of the traction control system is a computer that monitors the speed of all four wheels and the steering wheel angle. When accelerating, if the computer detects a significant speed difference between the drive wheels and non-drive wheels, it immediately determines that the driving force is excessive and sends a signal to reduce the engine's fuel supply and lower the driving force, thereby decreasing the slip rate of the drive wheels.
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David
08/12/25 9:37am
I noticed the traction control system off indicator light is on. Having driven for over a decade, I know this means the system that prevents wheel slip on slippery surfaces is deactivated. Sometimes it's manually turned off by the driver—like when wanting more direct control on dry racetracks or attempting drifts—but most often it's automatically disabled by the system upon detecting a fault to prevent bigger issues. I've experienced this light coming on during snowy drives, where the car noticeably struggled for grip during acceleration, easily veering off course with slight inattention, so immediate speed reduction and firm steering control became crucial. First, check if the dashboard switch was accidentally pressed. If not intentionally deactivated, it might indicate a faulty wheel speed sensor—possibly due to water ingress or aged wiring. Never overlook this warning light during routine maintenance; it serves as an early safety alert. Promptly visiting a professional repair shop for diagnostic trouble code reading and repair is advisable to prevent potential ABS system complications. In short, when this light's on, your anti-slip feature is on pause—staying alert to road conditions and driving cautiously at reduced speeds is key.
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Is Throttle Body Cleaning Necessary?

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Can the ETC card be removed?

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Which country does the Turan XLV belong to?

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Is the National Day Free Toll Based on Entering or Exiting the Highway?

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What is the penalty for overloading a 5-seater car by 1 person?

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