ABS Light 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 05-30-2004, 12:01 AM   #1
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I was wondering something, every since the day i bought my 93 bonneville i thought that the abs light was on to tell me that it was working , but soon enough i found out it wasnt. I had new wheel bearings installed on the car and it was still on. Does anyone know why this light is on?
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Old 05-30-2004, 12:52 AM   #2
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The ABS light is on indicating that the antilock brake system is not functioning correctly. Possible causes are bad senors in the four wheel hubs, or a defective brake module. The sensors are part of the hub assemblies for each wheel and cost from $170 to $330 each for the part and the cost of labor to replace the part. This can become expensive but a diagonistic can be preformed to indicate which wheel senor is bad. Also the brake module could be defective by itself or in conjunction with a wheel senor. Cost of a brake module is high and can range $300 +++ along with the cost of installing the part. I know because on my 92 Bonni both a wheel sensor and the brake module are defective. A've replaced the wheel sensor and am now looking for a brake module. any ideas if the modele can be easily rebult from defective parts ( take them apart and make one that works. Also my car has traction control, a good option but it won't function without the antilock brakes being functional. Any suggestions from the group. Thanks
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Old 05-30-2004, 01:54 AM   #3
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You can also just make sure the wires are connected, and the connection is clean....
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