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Car Traction Control System Questions and Answers

This category contains featured questions as examples. They relate to most vehicles.

Question: 2004 Chevrolet Corvette miles: 59,000. I bought my corvette back in 2004 brand new. It has bee the best car I have ever owned, I drive it every day (25 miles each way). I was driving back from work when my traction control light came on. I was concerned but kept driving. The car seemed ok but when I turned the first right after the light came on the car shuttered and pulled to the right..... Then it seemed to be ok,  weird. I continued home but the Traction Control light was still on?. So I surfed the internet and found your site. Please help me .. I love my Corvette.
Answer: Yes, that can be scary. What is happening is you have a wheel sensor that is shorted or has high resistance and is out of operating range. The Traction Control module is confused by the sensor reading and thinks your are in some kind of skid when your really not. So it try's to compensate by activating the system, that is what you are feeling.

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Question: 2004 BMW 745i miles: 38,000. My traction control light has illuminated shortly after I drove my car off the lot. I took it back to the dealer, they said it was related to the left rear wheel sensor. So they replaced the sensor, and gave it back. The light was still on, they told me the light would reset in 40 miles. I drove it over 40 miles and the light is still on. Do you know what could be wrong?
Answer: Yes, we have seen this problem before. sometimes in production the ABS conductor ring is not properly attached to the wheel hub. The effect is the wheel sensor is to far away to obtain a correct reading, hence the trouble code light. Proper mounting should alleviate this problem.

Question:   2005 Toyota Camry miles: 28,000. My traction light is on and I can hear some kind of running noise in the front of car. I took my car down to the my friends garage but he couldn't find the problem. Have you heard of this, or know what is going on? I would take it to the dealer but the nearest one is 150 miles away.
Answer: Yes, it sounds like your ABS pump and valve assembly are bad. The noise you hear is the pump motor running trying to keep adequate pressure in the system. You need to have the ABS/Traction control unit replaced.

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