2003 Chevrolet Impala Logo
Posted on Jul 27, 2009
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Message center says "TRACTION ACTIVE"

My 2003 chevy impala has a message in the message center about 20% of the time when I accelerate from a stop that says "TRACTION ACTIVE". It mechanically sounds like the anti-lock brake system is cycling & the tranny is slipping. It does not do this all of the time. Is there a wheel sensor or something that is sending a "false" signal to the computer?
Please help!

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Gabe Gilsrud

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  • Posted on Jul 27, 2009
Gabe Gilsrud
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It sounds like a wheel speed sensor to me. I am not sure if you need to replace the entire wheel bearing or not on these, but if you do, you may as well change both sides at once. I would try to look at the connection between the harness and the sensor to be sure it isn't loose or corroded, which will cause problems as well.

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MESSAGE CENTRE TC

TC = Traction Active

If your vehicle is equipped with the Traction Control system, this message will stay on a few seconds after the traction system stops limiting wheel spin.

This message will appear when the traction control system is limiting wheel spin. Keep in mind that when the warning lights turn on, a fault code is stored in the ABS control module (in this case). Retrieving, diagnosing, and repairing any ABS system faults will be necessary to keep the light off. A common fault with ABS systems are the wheel speed sensors, stored codes may confirm this.

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My 2003 Chevy Impala keeps making a noise when I crank it up. It sounds like a voltage regulator or something. Also my traction control light keeps coming on and making a rumbling noise when I take off...

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