ABS light due to pressure modulator valve assembly failure on Buick LeSabre

The anti-lock brake (ABS) pressure modulator valve assembly may fail internally causing the ABS light to illuminate.
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Average mileage: 130,187 (73,000–230,000)
10 model years affected: 1992, 1993, 1994, 1995, more1996, 1997, 1998, 1999, 2001, 2002
29 people reported this problem
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Viewing 1 - 14 of 14 problem details
1996 Buick LeSabre 123,000 mi,
ABS started malfunctioning, pulsing as soon as I touch the pedal (under 5mph) and would even pulse without touching the break pedal. Then ABS light appeared, which was due to a faulty wheel hub. Replaced the hub and the ABS light turned off, but the pulsing problem still exists. Only an issue under 5mph, but it pulses every time. For example, rolling up on a stop sign, as soon as its nearly stopped it will start pulsing
ABS light is on all the time.
I own a 1994 Buick LeSabre. I purchased the car brand new on 10/31/1994. It has always been maintained very well; however, my ABS - Anti Lock idiot light just came on.
The light is on and I am not planning to fix it at this point.
ABS activated at above milage. Very annoying when starting car
2002 Buick LeSabre 114,621 mi,
ABS light comes on a shortly after driving. occasionally make the pumping noise when I apply or release the breaks.
1994 Buick LeSabre 93,000 mi,
ABS Light on.
2002 Buick LeSabre 85,000 mi,
ABS light came on loss of ABS brakes...The brakes still work however do not have the "pulsing"
1993 Buick LeSabre 73,000 mi,
anti brake control unit needs replaced.600.00 + dollars to get a new unit
2001 Buick LeSabre 100,000 mi,
Light has been on for sometime now. Not fixed yet.
1992 Buick LeSabre 192,000 mi,
Car swerves left when braking, especially at highway speed. Alignment done, tire rotation done, new calipers and hoses, brakes are good. Diagnoses was ABS. Light is not on however. Can this be done outside dealership. Got estimate of $1100. brake pressure modulator valve
1995 Buick LeSabre 230,000 mi,
when ihit breaks coming off highway theres avabration
2002 Buick LeSabre 137,000 mi,
abs light comes on sporaticaaly. took to shop brakes are fine.