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: 163,880 (30,000–318,000)
10 model years affected: 1990, 1991, 1992, 1993, more1994, 1995, 1996, 1997, 1998, 1999
62 people reported this problem
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problem details
1998 Chevrolet 1500 Pickup 168,503 mi,
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.
1998 Chevrolet 1500 Pickup 94,000 mi,
Brakes get hard and growl a slow speed.
1994 Chevrolet 1500 Pickup 235,000 mi,
Brake light on dash comes on and stays on all of the time. No difference in braking system. If I unplug from the ABS system and then plug back in the light goes out and stays out for 2 or 3 days than comes back on. Can't figure out where to start looking.
1998 Chevrolet 1500 Pickup 225,000 mi,
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.
1998 Chevrolet 1500 Pickup 130,000 mi,
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.
Brake indicator constantly on.
1995 Chevrolet 1500 Pickup 130,200 mi,
Both front wheel speed sensors register as bad when scanned. i guess it's good(?) to know this is likely 2 bad sensors.
1999 Chevrolet 1500 Pickup 135,000 mi,
ABS activates at slow speed, Need to pump brakes with both feet to control stop on my 2000 Sierra 1500
1993 Chevrolet 1500 Pickup 110,000 mi,
turning vehicle tightly left or right will cause brake failure. pumping the brakes after turn will fix.
1997 Chevrolet 1500 Pickup 145,000 mi,
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.
1993 Chevrolet 1500 Pickup 30,000 mi,
(rebuilt engine) brakes cause bouncing effect of pedal and vehicle. rotors, calipers, brakes all been replaced but not fixed. There is no ABS indicator light illuminated.
1995 Chevrolet 1500 Pickup 225,787 mi,
I replaced the whole front end, including a new wheel hub. I had replaced the pas. side before, but in the process of the rebuild, my helper broke the speed sensor wire. I put the old one back on for a fix. After test driving it growled and kicked off the abs light. I then replaced both rotors and pads, bled the system and tested it again. Still the same problem. A brake shop told me to try and fix the old wire, my only option is jb weld. I cant afford another hub at the moment, so if any one has info please help!!
1997 Chevrolet 1500 Pickup 228,000 mi,
Left front wheel ABS wheel sensor melted. Replaced it and the shield. Also, replaced caliper hoses and brake disc pads, wheel bearings and rotors.
1995 Chevrolet 1500 Pickup 210,000 mi,
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.
1998 Chevrolet 1500 Pickup 119,000 mi,
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
1995 Chevrolet 1500 Pickup 253,000 mi,
I have brake light and abs light both illuminated at all times when truck is cranked havent discovered problem yet but since its electrical obviously.
1998 Chevrolet 1500 Pickup 183,000 mi,
Speed sensor failure.
Those of you with ABS problems on GM vehicles, where ABS activates on dry roads at slow speed. the problem is one or both of your front wheel sensors. I didn't have to replace mine, I simply pulled it out of the hub, stick a small rag in the sensor hole to keep debris out, then emery cloth or sandpaper all around the base where the sensor sits, also clean the sensor. Rust builds up under the sensor & the base, lifting the sensor slightly & changing the gap between the end of sensor & sensor wheel that is on the bearing. If this doesn't work, replace the sensor. most can be purchased without the wheel bearing. I hate ABS. If you want to stop the erratic ABS behavior in the brake pedal, the above info will correct that, or what I have done before I cleaned sensor, is remove the ABS 60 or 40 amp fuse from the fuse box under the hood. This will shut down the ABS system completely, your ABS light will stay on, but you now will have normal brakes (works great) long as you don't mind looking at the light. In Mass you still can get an inspection sticker with this light on. I leave the fuse out now all the time, I like the brake operation better without ABS. Hope this helps
1996 Chevrolet 1500 Pickup 85,000 mi,
I'm not sure about the mileage. I've had this truck for 15 years now, and when this occurred, had it checked, part replaced, but it stayed on anyway. I've tested whether the ABS works by speeding up and abruptly stopping and it's been fine.