What does it mean when the TRC OFF light is on?

2 Answers
SarahLynn
07/24/25 2:02pm
TRC OFF light on indicates that the vehicle's traction control system is currently turned off. The Traction Control System, abbreviated as TCS, is also known as ASR or TRC. The functions of TRC are: 1. Preventing wheel spin when the vehicle is driving on slippery surfaces such as snow, ensuring smooth starting and acceleration; 2. Controlling the risk of vehicle skidding on steep slopes or rough rocky roads; 3. Applying braking force to limit wheel spin when the drive wheels slip, and ensuring smooth turning when accelerating during a turn.
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DelBennett
08/11/25 7:57am
The TRC OFF light being on means you've turned off the traction control system. That thing helps prevent your wheels from spinning on slippery surfaces, like when it's raining or snowing. Once when I was driving on a wet road and didn't notice the light was on, the wheels started drifting uncontrollably, nearly causing an accident. Most likely, you might have accidentally pressed the TRC switch button in your car, usually located near the steering wheel—check if it's stuck or hasn't sprung back. If the light comes on without you touching it, there might be a system malfunction, and you'll need to visit a repair shop to check the circuitry. It's best to keep TRC on while driving—safety first, especially for beginners or during long trips, as it significantly helps reduce accident risks. Personally, I've made it a habit to glance at the dashboard after every startup to ensure all lights are normal.
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