Rooster2 Posted November 8, 2016 Share Posted November 8, 2016 My 98 OBW just threw a "ABS" dash idiot light last night. What should I look at first as a problem area that needs fixing?? I checked the archives on this forum, but couldn't find anything relevant. Thanx............Rooster2 Link to comment Share on other sites More sharing options...
Fairtax4me Posted November 8, 2016 Share Posted November 8, 2016 There's a way to read ABS codes by grounding a terminal on the small black diagnostic plug under the dash. I can't ever remember which terminal it is exactly, but it's been posted before here. Turn the key On and it blinks the codes. More often than not its going to be a wheel speed sensor problem. Either the tip of the sensor has a bunch of metal filings stuck on it, or possibly the sensor has been crushed to death by rust building up around it. A broken or heavily rusted tone ring on the axle can also throw off the sensor reading. That should be checked before replacing the sensor. Link to comment Share on other sites More sharing options...
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