ABS Light on, What could be the problem? - 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 05-18-2005, 03:52 AM   #1
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Default ABS Light on, What could be the problem?

I never use anti lock brakes but the light is on and I hate it.
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Old 05-18-2005, 06:32 AM   #2
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bad hub or ABS module
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Old 05-18-2005, 10:02 AM   #3
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Most commonly a bad WSS in the hub. Check your wires and connections. Next most likely is the PMV assembly (spendy as hell). Least likely is the EBCTM module (spendy), and I have yet to see one fail EVER.
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Old 05-18-2005, 11:07 AM   #4
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Yep sounds like a front bearing assembly. What'* the cost on one of those 150-ish? The labor is the bitch though. Course i did TWO on a blazer a while back and those ones are 300 a pop for the 4x4'*. So feel lucky
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Old 05-18-2005, 11:16 AM   #5
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Keep in mind that only the dealer can pull ABS codes. So you want to check as many connections as possble. Removing the front wheels and pressure washing the back side of the hubs can sometimes dislodge debris and fix it, but that'* usually only true for intermittents.
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Old 05-18-2005, 01:21 PM   #6
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Bet you it'* more likely to be a broken wire leading to the bearing/hub/ABS/TCS sensor.

Cheers,
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Old 05-18-2005, 02:20 PM   #7
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While we are on the subject. ABS light never comes on. But everytime it'* dry and I hop in the ole TC light pops on. If it'* wet out, TC never lights up and it works like a charm.
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Old 05-18-2005, 02:45 PM   #8
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Does your ABS light come on in self test at initial 'key on'?

If so, that'* fine.

It'* not supposed to ever come on unless there'* a fault. TC light on means it'* either disabled or dysfunctional.
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Old 05-18-2005, 03:19 PM   #9
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oh yea and most shop can clear the ABS codes not just the dealer
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Old 05-18-2005, 04:48 PM   #10
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Quote:
Originally Posted by willwren
Does your ABS light come on in self test at initial 'key on'?

If so, that'* fine.

It'* not supposed to ever come on unless there'* a fault. TC light on means it'* either disabled or dysfunctional.
ABS on startup..you bet!.. it'* a friend of mine... but that TC is probably dysfunctional. Still think I need to clean up the sensors right? maybe I'll hit that tonight.
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