Question about 2004 Pontiac Grand Am

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2004 grand am. trac off light abs light and service engine soon light are on..... how do i fix it????

Abs light is on trac off light is on and service engine soon light is on

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  • readyornot20
    readyornot20 Jan 13, 2013

    i just had it hooked up to the computer in the garage and it says nothing is wrong... but the lights are still on

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Posted on Jan 02, 2017

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  • 81 Answers

SOURCE: 2004 pontiac grand am gt

"...should not have to have to deal with these issues"

Agreed! But, there seems to be a glitch involving the ABS and TRAC system. On my 99 GAGT, when the eng and tranny are cold, I tend to get an ABS fail during turn/brake instances. If I restart the engine, it generally goes away. I've done a bit of research and have found nothing that fives a definitive answer to this. If you take it to the dealer, it will cost an arm and a leg for the troubleshooting alone. I'd recommend driving it as is provided you can get the ABS to reset by restarting the engine.
Sorry I can't provide any better solution...

Posted on Sep 02, 2008

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SOURCE: abs and trac control lights are on

It is one of your wheel bearings. The problem is easily solved by taking the car to a dealer, or having a code reader, and determining which wheel bearing is bad. The wheel bearing is under $150 and should be installed by someone with some muscle, as the bolts are torqued from the factory extremely tight in a tight location. The wheel bearing have all of your sensors for abs built into them and if that sensor goes out your computer tells the abs and traction control to shut down, hence you get the lights on on the dash.

Posted on Jan 27, 2009

  • 28 Answers

SOURCE: i have a 2000 pontiac grand am gt - the abs, low

the most common thing that causes this problem, other than spinning in mud, is a wheel speed sensor. the best thing for you to do is get your car scanned. autozone offers free scanning. i have seen many hub bearings go bad, come loose and cause this. if the problem comes and goes the hub is likely the culprit. i have also seen cracked abs rings cause this at higher speeds, i have also seen the harness running to the rear wheels torn out from running over tree limbs. i would definitely start with a scan to narrow down possibilities and save you money done by guess work. you can try jacking up each wheel and shaking to ensure that all bearings are tight. if you have access to a oscilloscope you can backprobe each sensor while spinning the wheel and find which one is breaking down.. hope this was helpful... dustang

Posted on May 09, 2009

csmock132
  • 4669 Answers

SOURCE: abs light, trac light, service engine soon light 2001 Pontiac Grand Am

Sounds like you have a bad wheel speed sensor. You need to have it scanned. Since it's been sitting, it might just be a bad connection to one of the speed sensors.

Posted on Jun 02, 2009

  • 58 Answers

SOURCE: I JUST HAD THE HEAD

These lights have nothing to with the engine work, unless they disconnected or damaged your abs sensors. it sounds like they need replaced, problem is they are integrated into the hub/bearing assembly. when you replace the hub(s) be certain not to over-torque the axle nut, as this would simply redamage the hub

Posted on Jun 20, 2009

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1 Answer

Service engine, abs, trac off


The service engine light does not affect the abs.You most likely have a broken wire in your abs system which is affected by suspension movement.A code reader which does abs codes will tell you which wheel circuit is turning on the abs light.When there is no abs available the track will turn off.

Jul 03, 2017 | 2000 Pontiac Grand Am GT

1 Answer

My abs, trac off, and service vehicle soon lights all came on at the same time. what are possible problems. trac button on dash will not reset.


there is a abs wheel sensor that has gone bad or a broken wire. use a diagnostic computer. this will tell you which sensor is causing your problem

Mar 22, 2010 | 2004 Pontiac Grand Am

2 Answers

Abs light and brake light are on. also service


You can test the wheel speed sensors by unhooking the connectors and put ohmeter test leads on the sensor terminals should read around 1100-1600 ohms also the connectors themselves were bad for wires breaking inside the insulation at the connectors from flexing when the wheel is turned back and forth..Note excessive wheel bearing noise from bad bearings have also been known for interferring with clean abs signal also causing abs codes good luck

Nov 06, 2009 | 2004 Pontiac Grand Am

1 Answer

After start up, engine, trac off, abs, and service engine soon light come on. vehicle runs normal.


trac off abs light , the problem is in one of the wheel bearing, that is where the sensor is.

Jul 26, 2009 | 2000 Pontiac Grand Am GT

1 Answer

Service Vehicle soon trouble light comes on, along with ABS light and Trac Off light, but no diagnostic codes show up on diagnostic reader. How do you determine what is wrong?


If you are using an obd2 reader, make sure it has all the updates. If the check engine light is on, is should show up on reader. There is also a ABS light tester as well. It sounds like an error in the ABS/Trac cirucuits. It could be a bad pump or faulty module.

Jul 06, 2009 | 2004 Pontiac Grand Am

2 Answers

Abs light, trac light, service engine soon light 2001 Pontiac Grand Am


Sounds like you have a bad wheel speed sensor. You need to have it scanned. Since it's been sitting, it might just be a bad connection to one of the speed sensors.

Jun 01, 2009 | 2000 Pontiac Grand Am GT

2 Answers

Pontiac 2002 se: veh soon light, trac light, abs light comes on


I have this same problem and had it checked. It is the wheel sensor. Mine is the passenger front right wheel sensor. According to the mechanic I take it to the GrandAm's are known for this. The part is about $40.

Oct 07, 2008 | 2002 Pontiac Grand Am

1 Answer

2004 pontiac grand am gt


"...should not have to have to deal with these issues"

Agreed! But, there seems to be a glitch involving the ABS and TRAC system. On my 99 GAGT, when the eng and tranny are cold, I tend to get an ABS fail during turn/brake instances. If I restart the engine, it generally goes away. I've done a bit of research and have found nothing that fives a definitive answer to this. If you take it to the dealer, it will cost an arm and a leg for the troubleshooting alone. I'd recommend driving it as is provided you can get the ABS to reset by restarting the engine.
Sorry I can't provide any better solution...

Aug 26, 2008 | 2004 Pontiac Grand Am

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