FM9 Abs valve fault code, truck pulls to the right.

Discussion in 'Volvo Forum' started by holden186, Jan 4, 2012.

  1. holden186

    holden186 Bobtail Member

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    Jan 4, 2012
    Sydney NSW
    0
    Having issues with an 04 fm9 twin steer, the fault code MID 136 SID 7 FMI 14 is coming up, says Pressure modulation valve ABS Axle 1 left unknown fault, I assume this means the valve has failed, has anyone had experience with this fault or know where abouts the valve is on the truck?
    Any help would be much appreciated,
    Cheers Damo.
     
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  3. Pablo-UA

    Pablo-UA Road Train Member

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    Oct 11, 2010
    Borispol, Ukraine
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    Do you have ABS ore EBS? it is important.


    Yes, valve may fail.

    If it is ABS, it is Wabco ABS-D, so to be sure swap right and left ABS modulators.

    If truck got EBS, there are two versions of configuration:
    1. One EBS modulator per axe + pair of ABS modalators
    2. Older - two EBS modulators.

    So I need to identify your truck configuration first.
     
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