Question about 2004 Pontiac Grand Prix
ABS sensor is located in the wheel bearing, There are wire leads that are common to corrode which would set the ABS light to come on. Best is to have the car scanned with a Tech2 scanner which can indicate which sensor or which ABS part is faulty, if it's the ABS module. The Tech2 scanner can indicate that and save you time and money by having you address the issues, rather then replacing parts that are good.
In the mean time, you can try inspecting thew wire leads and cleaning the ABS sensor on the front wheel hub and the rear wheel hub may be a sealed unit or may have speed sensor rig like the front.
Thank you for using fixya and good luck
Posted on May 06, 2010
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Posted on Jan 02, 2017
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