What does TC mean in cars?

2 Answers
McCole
07/24/25 2:21pm
TC in cars stands for Traction Control System, which improves the vehicle's passability. When the ABS anti-lock braking system detects that some wheels are slipping, it applies braking to the slipping wheels to prevent the loss of traction on those wheels. When the system is active, a yellow TC indicator light on the dashboard flashes to alert the driver. TC: The full English name is Traction Control System, translated into Chinese as the anti-slip tracking control system. When the ABS anti-lock braking system detects that some wheels are slipping, it applies braking to the slipping wheels to prevent the loss of traction on those wheels. Traction Control System: Also known as the tracking control system. When a car brakes on a slippery surface, the wheels may slip, even causing loss of directional control. Similarly, during acceleration or sudden acceleration, the drive wheels may also slip, which can be dangerous on icy or other slippery surfaces by causing loss of directional control. The Traction Control System is designed to address this issue. The system relies on electronic sensors to detect when the driven wheels' speed is lower than that of the drive wheels (indicating slip), and then sends a signal to adjust ignition timing, reduce throttle opening, decrease fuel supply, downshift, or apply braking to the wheels, thereby preventing further slipping. The Traction Control System not only enhances driving stability but also improves acceleration and climbing ability.
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DeRiver
08/11/25 8:12am
Last time I washed my car, I also noticed this small letter. It most likely refers to the **Traction Control System** (TCS) in the vehicle, which can be considered the car's 'anti-skid assistant.' For example, when you start on icy roads in winter, if the wheels spin uncontrollably, it can detect the slippage and immediately apply a bit of 'braking' to a specific wheel or reduce engine power, helping the tires regain grip. There's a dedicated button labeled TC or TCS on the car; pressing it can turn off the system. Normally, if the light comes on while driving, don't panic too much. But if the yellow light keeps flashing and the car won't move, it might be due to extremely slippery conditions or a system issue. To be safe, it's best to visit a repair shop to check the fault codes. Drive slower in rain or snow—safety first.
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