ABS Warning Light On and/or Erratic ABS Operation on Chevrolet 1500 Pickup

The anti-lock brake system (ABS) front wheel speed sensors are prone to failure. When a sensor fails, the ABS warning light may illuminate and/or the ABS system may activate erratically.

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Average mileage: 154,621 (30,000–253,000)
10 model years affected: 1990, 1991, 1992, 1993, more1994, 1995, 1996, 1997, 1998, 1999
64 people reported this problem
34 people shared problem details
ABS braking was working whenever it felt like it. Lights on and check engine came on. Failed and the ABS code came up. Replaced brake pads, calipers, rotors and the speed control sensor. They now are worse and can not drive the truck. When pressing the brake, the truck pulls so hard to either left or right(it chooses)and shakes violently, with brakes not stopping truck at all. What else can be the problem? Need input and suggestions please.
ABS would activate when not needed at low speeds, then quite working and dash light would come on. Replaced speed sensor and it solved the problem.
Brakes get hard and growl a slow speed.
Feels like a beach ball under brake pedal. Happens more when it's cold. Retards breaking and have to pump pedal to help resolve issue.
Both front wheel speed sensors register as bad when scanned. i guess it's good(?) to know this is likely 2 bad sensors.
Brake indicator constantly on.
ABS light came on after bounding through a snow bank. Told I'd need to replace ABS on front left...expensive and haven't done repair yet.
Left front wheel ABS wheel sensor melted. Replaced it and the shield. Also, replaced caliper hoses and brake disc pads, wheel bearings and rotors.
i hope the reps at chevy read these my loyalty is startin to slip chevy has some of the most reported issuse this sensor cost almost as much as the whole hub assem come on chevy help us help u by a recall for bad ideas and failure to test better leaving ur loyal cust to fix ur mistakes
Had the right front caliper stuck and created so much heat it melted the plastic on the backing plate and the sensor. I replaced the complete assembly of backing plate with sensor, inner and outer wheel bearings and rotor, caliper and the brake pads. Test drove the truck and every thing was good. My wife was going to the store and the right front started smoking and is sticking again. What do I need to look at now?
Speed sensor failure.
Are there actually some pickups that don't have the ABS light on?
I had this problem and I came across this post which resolved the issue for me. It's well worth checking out before spending big $$$ to replace parts that aren't bad like happened to the first commenter. http://www.tahoeyukonforum.com/forum/showthread.php?t=29234
After changing brake pads, rotors, and calipers, we noticed a vibration at braking that had worsen a LOT. we then changed ABS sensors in both front wheels, and it became even WORSE. We still haven't solve the issue, are dismayed at the amount of owners that have the same or similar difficulties. Help please!!!!!!
Abs light comes on after driving a while. Sometimes hear the motor roar a few seconds
turning vehicle tightly left or right will cause brake failure. pumping the brakes after turn will fix.
front right break locked up, replaced breaks,caliper,rotor, and bleed breaks , locked up again burned breaks some, replaced breaks again re-bled brakes. abs lights came back on and my next step is to replace sensor not sure if that will take care of the problem.
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Had roters turned then replaced.Anti-lock kicks in at low speeds.

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