Question about 1999 Volvo S80

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Winter driving mode volvo s80

My abs speed sensor ring, on the front left axle was broken, and I had it removed.I'm wondering if anyone can tell me whether my winter driving mode (the W switch ) or my STC will still function. The W switch lights up red when activated; the STC switch has a green light, but the idiot lights for the ABS and STC are on, on the instrument panel. (not sure whether it's due to the removed ring or whether I have an ABS module problem too. Can anyone help? Thanks

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  • kirkdewar Dec 06, 2008

    thankyou. I appreciate your help and I'm looking in to the repair now. kirk

  • godlike499
    godlike499 Nov 08, 2012

    I have the same problem. I never checked if Winter driving works, but by ABS Compresser is broken, and I get the same lights from my STC (green light on the button and idiot light on the dash)



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The ring you mention removed is called the exciter ring and is a vital part of the abs system to work properly so have new ring fitted asap this is why abs light etc is on in the uk this would fail mot safety test i am surprised the garage?? did ot renew this exciter ring? knowing it affects the abs ie makes it none operational should it need to operate ? also if involved in accident? and car brakes are checked this serious fault may have an effect on insurance claim hope this explaines??

Posted on Dec 05, 2008

  • godlike499
    godlike499 Nov 08, 2012

    I'm assuming the OP is american. If so, ABS is not a requirement in the states. In most states, (PA and CA are exceptions I know of) vehicles with installed ABS Systems that do not function won't fail safelty inspections.



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