TCS light and Brake light stay on.
The main reason the TCS light is on is because there is a problem with the main brake system. The traction control system uses the hydraulic brakes to help keep the car on the road in a skid or other event.
If the main brake system is faulty, the TCS can't do its job.
The hydraulic brake system may be working fine in your case, but the TCS does not know that.
I wonder if that low fluid switch can be bought separately ??
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