Question about 2004 Chevrolet Impala

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Traction Active light comes on

After backing up from a parking space or driveway, when initially driving forward, the "Traction Active" light comes on. This occurs in normal driving conditions, whereas it had never happened unless the driving surface was snow or ice-covered.

How serious a problem is this? Sometimes it affects braking, and once the transmission didn't engage properly when starting up from a stoplight.

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  • Anonymous Oct 16, 2008

    Traction control kicks in when the car is cold. It only last a few seconds or until I let my foot off the gas.

  • whcosta May 15, 2009

    I have the same problem with my 2001 Impala. I had the "ABS Hub" replaced. Worked fine for a while. Started happening again. The "ABS Hub" was broken repaired again under the 1 year warranty. Now 3 months later same thing happening again.

    Pull out of a parking place in reverse then when I go to drive forward the Traction Active light comes on. In addition when I brake for a stop sign or whatever the ABS activates making it difficult to stop.

    Very frustrating



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The "traction active" light is a light that lets you know when a certain part of your Anti lock break system engages. Each tire has a sensor that detects a couple different things in the wheels. One of the sensors may be going bad and needs replaced. Any of these sensors going bad can cause those symptoms.

Posted on Nov 13, 2008

  • Jeremy Kenny Nov 22, 2008

    The sensors should not create any problem in the transmission, however I do not have a lot of experiance with the anti lock breaking systems. Most of the stuff I have been working on over the years is all older stuff without the ABS. However, it will affect the breaking. If the sensor is acting up it will feel like a vibration in the break pedal. This is the anti lock system turning on. The sensors are telling the ABS that the wheeles are doing things they are not actually doing. The sensors detect 2 different things, wheel spin and whether or not the tires are skidding. Depending on what the sensor tells the ABS computer depends on how it reacts. I do not know how this would affect the transmission though. You can replace the sensors on your own. I do not know the cost but I do know it is a fairly simple job. Most are just a couple bolts that are not difficult to get to. Just pop the old one out and put the new one it. Bolt them back up and your done. There is a wire harness that clips onto it as well, but that is just simply unhooking the plug from the sensor.



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