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ABS and Traction Control OFF lights are ON 850

posted by  Chris Regensburger on  Thu Dec 1 02:18 CST 2005
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What year is the car? Only certain model years have bad units. I've done a few hydraulic modulators on cars after someone had incorrectly replaced the control unit. What codes if any are you getting? If it's a Pump Motor code in a car with the old style contol unit I'd suggest the modulator. It's even more expensive than the control unit. Also a bad ignition switch can cause those lights to come on. Thy wiggleing the key when the lights come on.






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