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Old 05-20-2011, 01:12 PM   #1
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Default 2005 Bonneville GXP with bad speed sensor?

i have a 05 bonneville and the abs and check engine light is on i took it to auto zone and they said it was a speed senor.......so my question is if i get the sensor fix would the check engine light go off?????
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Old 05-20-2011, 01:22 PM   #2
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Your Abs light Definatley will as long as its the issue..Was that the only issue their scanner brought up?
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Old 05-20-2011, 01:35 PM   #3
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the hub and sensor so the check engine light wont go off
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Old 05-20-2011, 01:58 PM   #4
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Do you know what code they scanned? For them to know your CEL is lit due to a wheel sensor they would require a Tech II scanner, and I don't think any Autozones carry those.
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Old 05-20-2011, 11:20 PM   #5
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i read many threads on people with trouble with their speed sensor, as far as i know it wont set a check engine light, did they both come on at the exact same time?
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Old 05-21-2011, 12:12 PM   #6
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I renamed your thread, to see if it gets more attention.

Generally, if a wheel speed sensor goes out, that'll usually set the Traction Off and ABS lights. Not sure about Check Engine.
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Old 05-24-2011, 11:32 AM   #7
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We see this alot and a good many of them are fixed by merely taking the WSS wire coupling apart, and smearing some dielectric grease in the contacts. Always good to try this first.
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Old 05-30-2011, 10:53 AM   #8
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Quote:
Originally Posted by 2kg4u View Post
Do you know what code they scanned? For them to know your CEL is lit due to a wheel sensor they would require a Tech II scanner, and I don't think any Autozones carry those.
A basic OBDII scanner won't read the ABS/Trac codes, which I think are Body codes. But I did get my Body codes read at my second Autozone. The first Autozone'* reader was broken and the sent me to the other Zone.
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Old 05-30-2011, 10:55 AM   #9
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You are correct, you need an enhanced code reader to get body codes. And the wheel sensors are body codes.
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Old 05-30-2011, 11:09 AM   #10
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On my wifes 2000 Buick Century the abs/traction and check engine lights all came on when the left front speed sensor went on the wheel bearing. All lights went off after bearing replaced.
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