Question about 2002 Oldsmobile Alero

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2002 Oldsmobile Alero. My service VEHICLE (not engine), TRAC OFF and ABS lights all come on when i drive my vehicle. My uncle has hooked it up to a scanner and it doesnt give a code(i'm guessing because the service ENGINE light is not on) . I have replaced the brakes and rotors , it still doesn't stop them from coming on. Please help!

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This is most likely being caused by an intermittent connection to one of the abs sensors which are part of the wheel bearing hub assemblies.You would need a scanner capable of reading abs codes in order to determine which wheel is causing the issue. This is a common problem usually it is one of the front hub assemblies not always but a majority of the time.

Posted on Apr 11, 2011

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It could be the ABS system. Like the computers and electronics, not the braking components. Also, on a lot of cars, when you have that light and fix the items that are causing it, the light will stay on. Sometimes you can just disconnect the battery for 20 min to reset the ECU but that doesnt work on all cars. It may need to have the system cleared with a code reader. Did you take it to NAPA or somewhere to have the codes read, that will tell you exactly whats wrong with it. Otherwise you end up spending tons of money replaceing items that dont need to be.

Posted on Apr 11, 2011

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1 Answer

I have a 2004 Oldsmobile Aleroand I would like to know what needs to be done to fix the service vehicle soon anti-lock and trac off light from coming on


First you'll need to take it someplace to get the computer checked for trouble codes. The codes will tell you or a mechanic what to test.
If the check engine light comes on, it will also turn on the other warning lights even if there is no problem with trac or ABS.

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My trac off abs and service vehicle soon lights are all on mechanic said wheel barrings are fine ,,whats the problem and is it safe to drive 425 mile out of town and back?


Probably just a wheel sensor out. It will be fine to drive that far and back. You wont have tracton control or antilock brakes. Meaning that if you slam on the brakes the tire can lock up and skid. When the abs is out it reverts to the old braking system that they used in all vehicles for decades.

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Nov 16, 2010 | 2004 Oldsmobile Alero

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sounds like your ABS sensor is bad. The ABS sensor controls the trac. control. but it wouldnt effect daily driving. you would only notice it if you slamed on the brakes on a slick surface. the brakes will lock up like they ARE NOT supposed to.

Feb 28, 2010 | 2002 Oldsmobile Alero

2 Answers

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Oct 25, 2009 | 1999 Oldsmobile Alero

1 Answer

Warning lights


Feel safe about your trip as this a only warning lights that some issues are at hand concerning your car, it does not mean you can not travel 1000miles.

Just take your car for a scan and it will all be corrected.

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Apr 10, 2009 | 2002 Oldsmobile Alero

2 Answers

I have an 2001 oldsmobile alero and everytime i turn my car on, my sensor lights immediately go off: service vehicle soon, service engine soon, anti-lock, and trac off. whats causing these problems, i've...


you have a problem known to many alero and pontiac grand am cars you have a bad wheel bearing,this is a common problem with these cars and they will not do a recall on this.you need to have your front wheel bearing hubassemblies replaced its not a bad job can be done by a decent backyard mechanic but a lot cheaper then going to the dealer, just save your reciepts in case they do recall your car for this problem they will reimburse you for your cost. If you have service engine light on, trac. off light and the ABS light on the same time, you may be able to get it fixed my reprogramming the power control module (with updated software calibration).

Jul 23, 2008 | 2004 Oldsmobile Alero

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