Car Problem Reports

Volvo S70 ABS Light Due to ABS Control Module Failure

 
Volvo S70 Problem
29 Reports
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Model Years Affected: 1998, 1999, 2000

Average Mileage: 126,478 mi (64,000 mi - 231,000 mi)

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The anti-lock brake system (ABS) Control Unit has a high failure rate. When this fault occurs, the ABS light will illuminate and codes may be stored indicating a problem with the ABS Pump Motor, or Wheel Speed Sensors, but the problem is the ABS Control Module.

Other symptoms may include an illuminated Check Engine and transmission shift light. and the speedometer may stop working as well.

Note: The brake system will operate normally however during a panic stop the Anti Lock Brakes will not work and the wheels may lock-up, causing a lack of vehicle control under these situations.

 

  • Visitor, , 80,000 mi

    ABS light. Buy a rebuilt one on eBay. Cottage business and reasonable price.

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  •  Rookie

    ABS AND TRACTION LIGHTS COME ON AND OFF...ENGINE LIGHT IS ON. I WAS TOLD THAT THE OXYGEN SENSOR NEEDED TO BE REPLACED AND THAT SHOULD FIX THE PROBLEM---IT DIDN'T.

    ARE THERE ANY RECALLS FROM VOLVO ON THESE ISSUES

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  • Visitor, , 231,000 mi

    Matty Moo repairs these for about $80 and will send you a one with a tool and instructions and you'll need to send your back after removal as core. Put a shim to flex the electrical connection and see if the light goes off and if it does you know it is the ABS. At this point the broken solder joints has been temporally be flex to contact the circuit board. Not a permanent fix but it is working. For safety purchase repaired Module.

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  • Visitor, , 119,000 mi

    same as above and need to get it fixed!!! We're going to try to re-sauder the pins in the ABS module ourselves. Go on youtube and a reputable Volvo guy Matthew can show you how to get the ABS module out. You can buy a new one, after market, refurbished or send yours in to get fixed...all much cheaper and under $200. We'll see if we can sauder and clean the pins, otherwise, we'll prob. buy a refurbished one. We're looking at FCB euro or groton.com, there are lots of places to look for them.

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  • Visitor, , 168,000 mi

    ABS light came on with engine light on. The brake was still working however, the speedometer died down and the panel light went out. When I exit from the I-95 & slowed down, then the car stalled. I had to restart again in a complete stop which is a safety hazard.

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  • Visitor, , 146,000 mi

    Same thing

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  • Visitor, , 104,000 mi

    Randomlly, a whirring sound came from each wheel when brakes applied. ABS light would come on, stay on for a while, then go off. Shop found and replaced defective rear wheel sensor module which did not correct problem. Then replaced ABS Control unit which corrected problem

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  • bbenny100, , 150,000 mi
     Rookie

    ABS LIGHT STAYS ON CONSTANTLY. THE SPEEDOMETER AND CRUISE CONTROL WORKS OCCASIONALLY, SOMETIMES WHEN I FIRST TAKE OFF IN THE MORNINGS.

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  • Visitor, , 125,000 mi

    ABS light will not go off. Speedometer works intermittantly.

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  • Visitor, , 109,000 mi

    ABS light on, speedometer stopped working. replaced ABS and speedometer now works but ABS and check engine lights come on for a few minutes before one or both go out. replaced with a re-built ABS module to save some cash, so maybe that accounts for the erratic light behavior.

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