Thread: C0040 abs code

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  1. #1 C0040 abs code 
    Jonarin
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    Default 03-07-2015
    I just bought an actron 9850a scanner. I wanted to check my abs light and it came up c0040. Right front wheel speed sensor. Well, I got my 02 grand prix gt almost a month ago, they guy I bought it from replaced both front hubs. He said he didn't know why it comes on every once in a while. Any ideas? Bad wiring?
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  2. #2 Re: C0040 abs code 
    Fivefingerdeathpunch
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    Default 03-07-2015
    I'd say wiring.

    They become brittle over time and crack.

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  3. #3 Re: C0040 abs code 
    Jonarin
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    Default 03-07-2015
    Do I just need the wiring harness then?
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  4. #4 Re: C0040 abs code 
    Scottydoggs
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    Default 03-07-2015
    inspect the wire to the hub, it runs along the lca. they get torn up sometimes.

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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