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2002 Land Rover Discovery Question: Traction Control issue.

 

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GBOL, Tacoma, WA, February 08, 2014, 10:54
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When making a right turn or driving over a rough/bumpy piece of road, the traction control system slows the car down (light comes on the dash board too). Has anyone else experienced this and/or know of the reason and the solution?
Many thanks.

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  • Answer #1

    G. T. Service Center (3053 Answers) , Stephenville, TX - (254) 638-3236
    ProfessorG February 08, 2014, 12:08
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    Have the ABS module scanned, The traction control is operated through the ABS system, and when it notices a fault it will ask the engine control for reduced power, because it cannot control the issue.

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    GBOL, February 08, 2014, 14:13
     Rookie

    Great, thanks for the advice, I'll get it checked out.

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    Stripe80420, February 24, 2014, 09:44
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    Have you had you computer checked for error codes? Autozone does this for free. Once you get the codes you can google their meaning.

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    ProfessorG, February 24, 2014, 11:10
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    Auto Zone can't read the ABS codes from the module. All they have is a code reader.

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    GBOL, February 24, 2014, 12:06
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    Had the car into Land Rover and there are no faults registered. Had the front nearside wheel hub and sensor replaced. Still got the same problem. Land Rover chief mechanic says he has never come across this fault before but his instinct tells him it could be the ABS ECU (SLABS unit). Got a used but working replacement arriving tomorrow so keeping everything crossed.

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    ProfessorG, February 24, 2014, 14:03
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    Can't cross my eyes but hope.

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    GBOL, February 25, 2014, 10:43
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    Replacement ABS ECU didn't fix the problem. Put the original ECU back in and the ABS light now lights up and stays on. Disconnected each ABS Wheel Speed Sensor in turn and took the car for a short run each time. Fault still there until I disconnected the right hand back sensor. Took the car out and no fault (apart from the ABS, Hill Decent and Traction Control lights showing on the dash but that seemed to be the result of the connection being broken). Re-connected the sensor and fault returned (just the ABS light showing). Ordered new rear ABS sensor so hoping this will do the trick.

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    ProfessorG, February 25, 2014, 15:22
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    Sounds good. Sorry but that should have showed up in live data whe driving. Hope it works

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    GBOL, March 09, 2014, 09:00
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    Just a quick update, brakes finally fixed, it was the rear right hand side ABS/Wheel Speed sensor - runs fine now. ECU actually showed this to be the fault too (now that it seems to have re-booted itself into action).

    Thanks to everyone for their help here.

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    ProfessorG, March 09, 2014, 09:06
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    Figured an easy fix when you found it. Good Day

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