I am getting a "traction active" message on my dash board screen. Which is activing my traction control on dry payment when taking off from a stop. I am worried this is going to mess up my transmission. I have read about the wheel speed sensor corroding in areas where salt is used on the roads. This problem just started after we had ice/snow.
Please help. My truck has 50k with expired warranty it is going to cost me $150 just to have it looked at.
Re: 2005 GMC Yukon Denali - Traction Control issue
Your problem is the front wheel speed sensor. I had the same problem on my 2004 Denali. The GMC dealer felt there was nothing wrong, no codes. I replaced both from wheel sensors (about $75 each on Ebay) and the problem is fixed. The passenger sensor had a crack in it. I saw this solution on a discussion chat. There was a TSB for the 2002 pickup trucks with the same problem. Hope this helps.
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when the traction control is activated , there is a reduction of power from the engine to compensate for that lost traction control
run the fault codes , repair the reason for the traction control light and then reset the computer using a scan tool and the engine power will return
There are a few reasons this might happen. Believe it or not it could be as simple as a loose gas cap. That can cause a false reading in the throttle position sensor, and activate the traction control. Remove the gas cap and put it back on making sure to tighten it until it "clicks". Another reason may be a faulty throttle position sensor, or it has a glitch, thus activating thr traction control. Try the "Old Fashioned" fix of disconnecting the battery for about an hour, to reset the computer. After you reconnect it, turn the key to the ON position but don't start it. Slowly press the accellerator to the floor and release. Turn the key back off, wait a few seconds then start the car. This should take care of the glitch, if not it's most likely the throttle position sensor needs to be replaced.
I'll start with the code reader. Most simple readers will only read engine codes. You need a professional scan tool that does everything to access the body computer data. It could be a wheel sensor which the ABS system uses, or one of the other components in the ABS system.
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.