Question about 2005 Chevrolet Uplander

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My 2005 Chevy Uplander has traction control and ABS lights displayed, This all happened about the time the car needed brakes. I ve done the usual 4 wheel brake service, and the lights remain on. There is a bit of a "roaring noise" outside towards the left front, which seams to be related to the motion of the vehcile but not brakes.

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Posted on Jan 02, 2017

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SOURCE: Traction Contrl and ABS Light on

No, it is probably not related. Usually the ABS and traction control light is either a wheel sensor problem, located in one of the wheel bearings, or most likely in the wire harness from the wheel bearing sensor. Remove wires and spray clean with a good solvent electric spray, and check the condition of the receptacle. I have had these problems with my 02 AWD so many times it has become almost routine. GM really have a problem with this type of speed sensor in the wheel bearings. In the AWD model, it keeps the car in FWD if the ABS light is on for any reason. JUNK!

Posted on Nov 27, 2008

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MrScary66613
  • 1990 Answers

SOURCE: Abs

This is Simply the Computer System Letting you know that there has been an Unusual Action. If it was a Mechanical Problem it would stay on Constant and Flash Periodically.

Posted on Jan 02, 2009

tripletauto
  • 1450 Answers

SOURCE: 2005 CHEVY +TRAIL BLAZER ABS AND BRAKE LIGHTS ON

if chains caused problem and you have driven with them off light would have gone out once it saw everything working properly. look at sensors might have pulled a wire loose with chains. the abs system runs a self test everytime you start vehicle if it sees a history code from last time it will leave light on and look to see if that problem still exists and 99% of the time it will cut light off . but need to have scanned and checked out

Posted on Dec 29, 2008

  • 56 Answers

SOURCE: traction system light and abs light come on at same time

You still have issues with the speed sensors. The wires that connect to the hubs are known for failure.

Posted on Feb 13, 2009

  • 1 Answer

SOURCE: 2007 Chevrolet Uplander LT ABS and TC light on

We were having this problem...have your wheel bearing checked out. There was a sensor in the drivers side wheel bearing...once we replaced it (because it was going out) the ABS and Traction Control warning lights stopped coming on.

Posted on Jul 02, 2009

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1 Answer

Abslight stays on. How to fix? This is a2007trailblazer?


First you need to have EBCM - electronic brake control module check for DTC'S - diagnostic trouble code's . If the light is on there is a code stored . I think most part stores can do this and for free . After you find out what code is stored , looking up that code in service repair information for diagnostic trouble shooting chart would be next step . There are a few codes too.
DTC C0035 or C0040
DTC C0045 or C0050
DTC C0110
DTC C0131
DTC C0161
DTC C0186
DTC C0196
DTC C0201
DTC C0240
DTC C0241 or P0856
DTC C0244 or P1689
DTC C0245
DTC C0283
DTC C0287
DTC C0290 or C0292
DTC C0455
DTC C0550
DTC C0558

Find the code do the diagnostic's , fix the problem , wiring issue's , a sensor , bad module ,what ever it is . The light will go out then . Here is a sample of code discription .
• DTC C0035 Left Front Wheel Speed Sensor Circuit
• DTC C0040 Right Front Wheel Speed Sensor Circuit

Dec 30, 2016 | 2007 Chevrolet Trailblazer

1 Answer

Check abs brakes


you need to attach a scan tool computer to read the codes that set the lights on,sounds like a wheel speed sensor which also upsets the traction control and sets off gearbox control light

Dec 21, 2014 | 2006 Chevrolet Uplander

1 Answer

Engine light and traction control light on 2006 chevy hhr


Traction control usually uses part of your ABS brake system to function. Sometimes a dirty (or worn out) wheel sensor is the problem that triggers both "check engine" and "traction control"...This can be verified with the proper diagnostic meter, and many shops will perform this test for free...unfortunately the free check at the auto parts stores does not include reading the ABS/Traction sensors...sensor cost is about $65. sometimes they can be cleaned. Hope this helps.

Jul 03, 2014 | 2005 Dodge Grand Caravan

1 Answer

2005 chevy uplander


there is no c0400 there is a c0040 left front wheel speed check the wiring at the speed sensor about 3 to 6 inches from the conector on the body harness for a brake in the wirring

Apr 01, 2014 | Chevrolet Uplander Cars & Trucks

1 Answer

Service traction system


Don't mess with the ABS light get it diagnosed and fixed. Your brakes will work with the ABS light on but you will skid because the system will switch to basic hydraulic action with no control of how much to each wheel. If ABS is on then it is not working.

Aug 07, 2017 | 2005 Chevrolet Impala

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I have a 2008 Chevy Uplander. The Traction control system warning light is coming on very occasionally. It comes on for a few seconds and then goes away. This has happened about 3 times in the past 4...


The traction control system and ABS system both use many of the same sensors to operate. It's possible that you have a wheel speed or other sensor that is supplying an erratic signal to the control system which is causing it to turn on the Traction Control lamp. Because it can potentially be a problem with a part of the system that the Anti Lock Brakes system [ABS] uses and could be a safety issue I would have it checked out to see what the problem is. There may be a related service code stored in the system which will help diagnose the problem.

Jun 14, 2010 | 2008 Chevrolet Uplander

1 Answer

Abs traction control light on


get them to scan the wheel hub sensors these wires come from the hubs and replacing the wiring harness does not include the hub

Aug 31, 2009 | 2005 Chevrolet Uplander

3 Answers

Abs and traction control light faults after a brake job. 2005 Pontiac grand prix


You have a bad sensor at one of the tires that need replacing that operates ABS and traction control. If you take it in to a shop it will run $130 but they can find which sensor is causing the problem. But if you do it you might have to replace all 4 sensors to make sure you got the right one. Every hard to diagnoses. Its better for the shop cause they can get electrical read outs for each sensor.

May 21, 2009 | 2005 Pontiac Grand Prix

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