Other than the Tahoe Limited Edition, the vehicle was redesigned for the 2000 model year on the new GMT800 platform, still shared with the full-sized pickups and SUV's.

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Traction Control and Check Engine Light

Last year I bought a 2003 GMC Yukon SLT from its previous owner. It lasted me about six months, but now I can barely drive it without traction control interfering. I had ran over a nail in my back left tire (driver's side) so i had my tire changed out. Well whoever changed my tire didnt tighten the nuts enough because as i was driving my whole car would shake badly. Turns out my tire was about to FALL OFF. I got it fixed, but ever since then Traction Control and my Check engine light will pop on. my check engine light wont pop up till the traction control does. When traction control comes on cant accelerate over 10mph and braking/stopping is hard to do. I've had it in the shop three times replacing TPS sensors. I went to AUTOZONE to get it scanned because of the check engine light being on, they said it was a TPS body or something like that. It's $80 bucks.

When I asked a mechanic friend he said it could be the sensor in that tire getting messed up from a wobbly tire, the hub assembly, or wires needing to be replaced. I'm at my wits end with this Yukon. I really want to trade it in, but I've put a lot of money trying to fix this problem. Someone please help me.

I did buy it used not brand new. It didnt have this problem with its previous owner.

Answered! View the answer I have this problem too

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Katelyn, It could be a bad wheel speed sensor/corrosion/bad plug/wire or faulty wheel bearing/hub throwing the TC light a good technician should be able to diagnose this fairly quickly and estimate repair.

If it all started happening after the loose wheel incident, make sure to let the technician/ mechanic know of this and which wheel. Good luck.

I hope this helped you out, if so let me know by pressing the helpful button.

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Katelyn Williams will be eternally grateful.
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