ANTILOCKBRAKE LIGHT STAYS ON - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 12-30-2002, 07:21 PM   #1
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Default ANTILOCKBRAKE LIGHT STAYS ON

My Antilock brake light stays on,Anyone have any suggestions what the problem could be?thanks
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Old 12-30-2002, 09:05 PM   #2
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probably a problem with the anti-lock brakes.
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Old 12-30-2002, 11:35 PM   #3
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dose anyone here know how many posts it takes to get your third star?!
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Old 12-31-2002, 02:37 AM   #4
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Default Re: ANTILOCKBRAKE LIGHT STAYS ON

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Originally Posted by SRS7734
My Antilock brake light stays on,Anyone have any suggestions what the problem could be?thanks
It means that your ABS is probably NOT FUNCTIONING! Try slamming on the brakes (with no one around of course!) and I bet you'll lock up all 4 tires.

I had a similar problem with the ABS malfunctioning on my 2000 SE recently - when I purchased the car, it had a bad wheel bearing. Repair consisted of a new wheel bearing and ABS sensor assembly (someone will correct me if I'm a little off on my description of the assembly!) A few weeks later, I had the "LOW TRAC" light come on, followed by a chime and the "ANTI-LOCK" light flashed and then stayed solid. Turns out the replacement assembly was faulty, which in turn knocked out my ABS. Had THAT one replaced, now it'* good as gold.

Bottom line: have it checked out ASAP. It could be one of many things. If you perform a search of previous posts here, you'll certainly find quite a few messages on the subject.
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Old 12-31-2002, 03:09 AM   #5
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my abs light stays on all the time also. about 2 weeks ago i was wondering if that light was just telling me if i have abs, or if something was wrong. so i gunned it and slammed on the brakes. locked um all up for a little while, then abs kicked in towards the end. weird?
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Old 12-31-2002, 03:27 AM   #6
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Bottom line is that ABS and Traction can be very expensive to repair......and the only way to extract the codes is to have the dealer pull them. A standard Tech2 won't do it. I had to pay 135 bucks to have mine diagnosed.
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Old 12-31-2002, 06:40 AM   #7
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my 93 SE has an ABS light on too, i tried to pull codes from it with a TECH2 i got 3 WSS codes and a pressure inlet code if i remember right. i could not clear them, so i tested all four corners and the WSS were all with in spec. I even removed the module in hopes of ditching the codes but they are rock solid. I think i need a new ABS module. Anyone find a cheep one???
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Old 12-31-2002, 02:57 PM   #8
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Watch ebay. I saw one there once. Make sure it matches the proper year. There were several changes. I can give you the p/n if you need it. That'* normally a 700 dollar part for a 93. Do you have traction control too?
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Old 12-31-2002, 07:03 PM   #9
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Thanks for the response guys! I hope its nothing major, I noticed it came on after i got my car smogged a couple of days ago. I dont know if this could have affected it,also i did run over a road cone before i noticed the lightcome on. so it could have resulted from any of these two factors.I'll try slamming my brakes going over a mild speed bump or something, this seemed to activate my ABS in the past. I'll keep you guys informed....
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Old 01-01-2003, 08:07 PM   #10
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anytime that your ABS light is on steady, it disables the antilock braking and goes into a regular braking mode. you said that it started after you had your car smogged, im assuming that you mean emissions tested. check all the connectors at the ABS module and the combination valve assembly(isolation/dump valve) and make sure they are connected, also check your brake fluid and see if its dark, it might need flushing. most of the time, a stone will catch the pick-up on the wheel speed sensor and take it out, or hit the wiring on the control arm that goes to the sensor and cut a wire.
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