I have a 2000 pontiac grand prix... The Abs

jack up the four points of the vehicle one at a time shake the tire up to down and left to right, you have bad hub assemblies which tells you your ABS IS BAD take it from there and see what lights disappear, keep me posted and we will go from there.

There can be several causes. ABS works by sensing the rotation of each wheel. There are videos on youtube that can help. A free diagnostic scan at some auto parts stores can help.
Here is a link to a video on youtube that might be of help. Search youtube for others.
ABS light is on possible cheap fix all cars with electronic abs

your sister damage your car ....... no ...... have to retrieve ABS faulty code first

Is the ABS light on too? These are inextricably linked systems, so you might want to run a diagnostic computer on the vehicle to pull up any fault codes, as one system can affect the other, and faults with the traction control aren't always with the traction control circuit.

one question is your abs or brake light on. you might have a wheel abs hub going out and not reading that will prevent traction control to work

replace your relay switches first.. It could be a coroded contact with the fuses

i have an ABS, Traction Control, and Variable Steering warning lights come on right after i put the car in drive and move forward.
2005 Pontiac Grand Prix

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.

Its the abs sensor, if you encounter an ice patch or snow you won't even be able to stop because the pedal will will push back and make the rip grind noise. If you pull the ABS fuse out, you won't have ABS but you can stop and you won't have the grind noise and back pressure for now. Its safer to not have ABS when the sensor is faulty.

Simon Atari
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You are spinning your tires ... read your manual ... shut off the traction control .... spin away!