Question about 2004 Chevrolet Avalanche

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My ABS and T/C (traction Control) lights on my 2004 chevy avalanche are on. I recently replaced the U-joints and the brakes. after replacing the U-joints, a week later the light came on. Any idea what to do?? I pulled front ABS sensors and cleaned and T/C button will not stay pressed in when pushed.

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  • Chevrolet Master
  • 373 Answers

Having the codes read would be a good place to start. Some parts stores do this free of charge.

Posted on Jan 20, 2018

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Posted on Jan 02, 2017

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Anonymous

  • 93 Answers

SOURCE: nissan quest 2004 problem

Check the level of your brake fluid, if it is low it will sometimes put all these warnings lights on together. If you find its low it is most likely due to the fact that you need your brake pads replaced. You can test this by adding a little fluid to the resevoir (just enough to shut off the lights). Do not fill to the top cause when you do replace the pads the fluid will get pushed back into the resevoir and overflow. Hope this helps.

Posted on Oct 21, 2008

Anonymous

  • 14 Answers

SOURCE: chevy avalanche transmission trouble

its usally the other way around,theres a broken hard part in your tranny.it wont let the pump ingage to releive pressure fom clutches,in turn wont go into drive.sorry, but thats going to be expensive.get extended warrenty and then turn it in before contacting the dealer.

Posted on Jan 09, 2009

SOURCE: abs light is on? 2004 chevy avalanche

what i've seen with the k series chevrolet trucks is that the wheel speed sensors develop corrosion where the sensor mounts to the hub. you can start by taking the sensor out and cleaning off the mounting surface with a wire brush. the process is:

1. raise front of vehicle onto jackstands
2. remove front wheels
3. remove the brake caliper, bracket and rotor on both sides
4. remove wheel speed sensor via 1 torx bolt (be carefull as the corrosion will cause the sensor to "stick" in the hole)
5. clean the mating surfaces with a wire brush so the sensor bolt hole and mounting surface on the hub is shiney again.
6. if you can, pick up a can of rust preventing primer and spray a little on the surfaces to prevent further corrosion
7. let paint dry
8. apply a thin fil, of grease to the sensor and the sensor mounting spot on the hub
9. re-install sensor
10. revers steps 3-1 for re-installation.

*process is the same for both sides.

this was a common problem on the k series trucks.

while your in there it wouldn't be a bad idea to check the sensors wires to make sure they arent broken. let me know if the repair works for you

Posted on Feb 18, 2009

Ray Keckeisen

  • 599 Answers

SOURCE: abs , brake, traction control light on in 04 lesabre

check to make sure that all the the bulbs in the rear are working,even the third light

Posted on Apr 08, 2009

emissionwiz

Marvin

  • 85206 Answers

SOURCE: 2004 chevy avalanche with dual control system problem

this problem is caused in almost all cases by a failed actuator that moves the door insiode the heating/ac duct to change the outlet temperature, it is called the Air Temperature Control Blend Door actuator.

Posted on Oct 05, 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
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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 .
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2 Answers

ABS & Traction control light are on, what is causing this?


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    Traction Control Light is on Inspection - YourMechanic

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    As a result, sometimes an issue in the ABS can trigger the traction control light. If this is the case, then both the ABS and Traction Control lights will be on.

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    Oct 16, 2006 - I drive a 2000 chevy impala...i have 135,000 miles on my car. ... The problem is that starting in '92, Anti-Lock Brakes are controled electronically, so if there is a problem with the sensor, your ABS might fail when you need them the most. ...ABS (?nti-lock Brake System) is a ...

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rubbish
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when there is no signal from the rotor the abs kicks in and releases he brake pressure to that wheel/s allowing them to turn to give the driver steering control
as the abs and traction control use the same wheel sensor , the traction could detect a fast spinning wheel and take action to control it
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1 Answer

Transmission Traction "Off" light stays lit with Traction button


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3 Answers

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