Yesterday i was driving, and allo f sudden. my ab,service engine, and no trac light.all came on inside my vehicle. and has not turned off.
SOURCE: trac, Abs and Service engine light on - 2001 buick Century
The ABS system including pump may be faulty which is quite common. You will have to take this to dealership or mechanic. Either there is a bad pump or a fault in the electrical system
SOURCE: 2002 buick abs, trac off lights come on
BAD WHEE BEARING AND PROBABLY THE PLAY FROM THE WHEEL BEARING HAS DAMAGED THE SPEED SENSOR FOR THE ABS
SOURCE: Service Vehicle, Trac Off, & ABS lights 2001 Buick Century.
I just put in new fron pads in my 2000 buick century and the track off and the anti lock brake light and the service engine soon stays on
SOURCE: 2002 buick regal abs,service engine,traction
All of these could be related to the wheel speed sensor. Have the codes checked
SOURCE: brake problems with 2002 buick
You most likely have a bad wheel speed sensor. The first thing to do is inspect the wires coming down to the front wheel speed sensors and check for any obvious damage (this is VERY common). If you don't see anything that looks obviously damaged or broken, then you will have to scan your Powertrain Control Module (PCM) and your Antilock Brake System Module (ABS) for fault codes that will lead you to the cause of the problem.
Please also review these articles:
What Else Could Be Wrong?
What To Expect From An Online Car Expert
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