Question about 1999 Audi A4

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ABS Light is on.

How can i find out what is causing this to happen it wont pass inspection with it on and i dont want to speend a ton of money can any one help?

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  • John H
    John H May 11, 2010

    My ABS light is on as well.. hook it up to a diagnostic computer, and check and see if there is a "real" problem with the code.. my car will pass inspection with it on. Audi's are notorious for the phantom lights.. I also read another post, try checking your break pads.(it could be the pads, or a sensor), have you tested the car to see if you abs kicks on when you slide(try it on gravel, its the best way to figure that out)

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  • 110 Answers

Only way round that is to take the bulb out which i have done many times before inspection

Posted on Dec 12, 2008

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ABS light stays on


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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.

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My 92 88 royal osmobile security light came on and tried both keys wont start dont have alot of money or a dealership in my area what is the best way and cheapest way 2 by pass it


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Each wheel has a sensor. Theres more to it than the sensors. have the repair shop check it over for you and recommend repairs.

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I am not very mechanical and i don't have time to go to a dealer. i live in germany and i am selling my car. the abs light is on and in order to pass inspection to get the car registered, there can be no...


On each wheel, there is a sensor with some wires attached to it just behind the wheel assembly. Odds are one of the wires is worn out from the elements as they're all exposed.

Please don't just pull the bulb because a faulty abs system can cause serious injury

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I need to remove the abs light in my 1992 bmw 520i. ABS works fine, however in order to pass inspection, the light will not go out. I am tired of spending money and getting no where to fix the problem....


for the m.ot the light has to be on then go out. i cant see why this cant be fixed, it must not be working. what i have seen to blag a mot is, a wire from the oil pressure switch to the abs light, when off on and running out, this works but leaves the car no abs, you sure not a sensor or the brain died

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Find a good shop and see if the parking brake ratchet assy is broke. This is common on chevy.. TY

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u can have the light scanned by autozone free of charge. Also in new york state the anti lock system is not part of inspection and can not be a failable issue. Ofcourse your state may be differant. Also the abs light will not turn on for brake pads.. Most common on the olds alero is a bad wheel bearing. The abs sensor is built into all the wheel bearings. The code that u can get out of the car will even tell you what wheel it is that is causing he light to come on. Unless ofcourse its not a wheel bearing and its a internal abs system issue. Let me know what the code is and I will try to get you a pinpoint place to look....

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