Antilock Brake Light - 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 07-21-2003, 03:06 AM   #1
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Default Antilock Brake Light

My anti lock brake insurment light comes on when I start the car and stays on all the time. It has been that way since I bought the car. Any way of checking it. Or figuring out what is wrong with it, and keeping costs to a minimal.
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Old 07-21-2003, 04:33 AM   #2
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the only way to read the fault codes in your system is to take it to the dealer. They have to connect directly to the EBCM for diagnosis. It'* usually about 80 bucks shop time just to check for codes.

The EBCM will run you about 100 bucks from a wrecker (4 or 5 hundred from the dealer, about half that from the web), the PMV will run you about 900 installed. Unless you wanna tackle it yourself, then you can get one from the wrecker for about 200. It'* a bitch. I've done two of them now. If it'* a wheel speed sensor, you can buy the rears for about 50 bucks each, but the fronts are embedded in the Hub/bearing assembly.

See how expensive? You need to get it scanned. No shotgunning on this system.

Short of that, go in and check the connections to the PMV (under your airbox), EBCM (on the firewall, right above the 'hump' between the footwells) and all 4 wheel speed sensor harnesses on the backs of the hubs.
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Old 07-21-2003, 04:41 AM   #3
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Quote:
Originally Posted by willwren
... go in and check the connections to the PMV (under your airbox), EBCM (on the firewall, right above the 'hump' between the footwells) and all 4 wheel speed sensor harnesses on the backs of the hubs.
That was gonna be my suggestion, check to be sure a wire hasn't disconnected somewhere. I rode with the ABS light for about 2 years in a car I had, went to do the brakes, found a loose wire, reconnected it and the light went away...
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Old 07-21-2003, 04:49 AM   #4
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We're gonna get big kisses if that'* what it is!
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Old 07-21-2003, 04:56 AM   #5
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^^
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Old 07-21-2003, 05:09 AM   #6
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