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Chevrolet Master
6,826 Answers
- Posted on Nov 03, 2010
Re: Trac light came on. what does that mean?
Trac light goes on when the wheel speed sensor is not giving the traction control computer adequate data, or the traction control computer is bad itself.
Could also be a wire between the traction control module and the sensor.
Did the ABS light go on as well?
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