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Thread: ABS Warning Light

  1. 11th July 2015, 06:47 PM #1
    MACA0007 Guest

    ABS Warning Light

    Hi all, I think these posts ABS booster/modulator replaced successfully! will lead me in the right direction but just in case someone else has another idea, here is my problem. Shortly after ignition is turned to pos 2, ABS Fault comes up on message centre. This is before the car has even moved. I've tested all wheel sensors for continuity and all are ok. LR mechanic plugged in diagnostic unit (autologic I think) and cleared fault which was NO SIGNAL. it didn't say from where but naturally came back as soon as it was unplugged. Not sure weather it's a modulator issue, BeCM or Wabco computer issue.
    Any input would be greatly appreciated. (RR P38 GEMS)
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  2. 11th July 2015, 08:07 PM #2
    mtb_gary's Avatar
    mtb_gary
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    Your ABS light should remain on until the car is in a forward motion over around 8kph. This is part of the self testing procedure.
    Gary

    2007 Range Rover Sport TDV8

    Modified 1996 p38a HSE sold
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  3. 11th July 2015, 09:23 PM #3
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    p38arover
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    As Gary says.

    Read the owner's handbook section on Warning Lights.
    Ron B.
    VK2OTC

    2003 L322 Range Rover Vogue 4.4 V8 Auto
    2007 Yamaha XJR1300
    Previous: 1983, 1986 RRC; 1995, 1996 P38A; 1995 Disco1; 1984 V8 County 110; Series IIA



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  4. 11th July 2015, 10:52 PM #4
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    Keithy P38
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    The fact it's saying "ABS Fault" on the dash tells me more is wrong, and coming up early in the piece, I'd look at relays and fuses first.

    Take it from there as they are simple to replace.

    If that fails I'd be looking at the ABS pump and moving on from that.

    Cheers
    Keithy
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  5. 12th July 2015, 07:41 AM #5
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    p38arover
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    Oops! I missed the Message Centre.
    Ron B.
    VK2OTC

    2003 L322 Range Rover Vogue 4.4 V8 Auto
    2007 Yamaha XJR1300
    Previous: 1983, 1986 RRC; 1995, 1996 P38A; 1995 Disco1; 1984 V8 County 110; Series IIA



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  6. 12th July 2015, 08:29 AM #6
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    mtb_gary
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    Missed the message centre too Ron. Too many wines
    Gary

    2007 Range Rover Sport TDV8

    Modified 1996 p38a HSE sold
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  7. 12th July 2015, 09:53 AM #7
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    Quote Originally Posted by mtb_gary View Post
    Missed the message centre too Ron. Too many wines
    You, too?
    Ron B.
    VK2OTC

    2003 L322 Range Rover Vogue 4.4 V8 Auto
    2007 Yamaha XJR1300
    Previous: 1983, 1986 RRC; 1995, 1996 P38A; 1995 Disco1; 1984 V8 County 110; Series IIA



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  8. 12th July 2015, 12:24 PM #8
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    finallyrangie
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    I had the same thing with mine, abs fault coming on when the ignition was turned on before the engine was even started, obviously the abs light stayed on when moving.

    Mechanic hooked it up and there was an open circuit on one of the wheel sensors

    Changed the sensor and it's been perfect ever since.

    Just an aside, I couldn't get a direct replacement for the rear drivers side, I simply cut the wires and soldered the extra length I needed into the line, and it works just fine.
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  9. 12th July 2015, 04:18 PM #9
    MACA0007 Guest

    Smile

    Thanks for that. I'll have to dig a bit deeper in those areas.
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