What does the TC slash indicate in a car?

2 Answers
DelElle
07/24/25 5:39am
Car displaying a TC slash means the traction control system is turned off. Here is some information about the TC slash appearing in a car: 1. TC slash: The TC slash indicates that the traction control system is turned off. The traction control system is designed to provide optimal traction under various driving conditions. The TC slash indicator light shows the status of a car's function and does not indicate a malfunction; the car can continue to be driven normally. 2. TC: TC stands for Traction Control, 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 loss of traction. When the system is active, the yellow TC indicator light on the dashboard flashes to alert the driver.
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McAdriana
08/11/25 1:18am
My car once displayed a warning light with a TC and a slash, which I suspect was due to a malfunction in the traction control system. I encountered this issue during a long-distance drive last time, and it turned out to be caused by a dirty or mud-clogged wheel speed sensor. Since the TC system monitors wheel speed to prevent skidding, a faulty sensor triggers the warning light. I also found other possible causes like loose wiring connections or a blown fuse. In any case, the system displays the slash as a fault indicator upon startup. This situation can be quite alarming, especially during rainy or snowy weather when the car is prone to skidding. Safety comes first, so I immediately went to a repair shop where they used diagnostic tools to check and replace the sensor, fixing the issue. For regular maintenance, it's advisable to wash the car's undercarriage frequently to prevent dirt buildup in sensitive areas. Don't compromise safety to save money by ignoring potential hazards.
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