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  1. YF (2011-2014) Sonata/i45
    Hello Everyone, ABS/BRAKE/ESC lights are on. I scanned with 3 different OBD2 Readers but there is no error code. The mechanic says the lights are on with no error code because there is a communication problem between the ABS control unit and the main computer. He did not diagnose yet. I always...
  2. JM (2004-2009) Tucson
    When driving at highway speeds the ABS, ESC, and 4WD (flashing) lights come on. This occurs after ~20-30 minutes of driving at 70+ MPH. The lights will go off and not return once the car has been turn off and on again. The lights will not come on during shorter city street driving. There is...
  3. JM (2004-2009) Tucson
    Had a flat tire fixed, now when I drive for 20-30 minutes at highway speeds the ABS, ESC, & 4WD lights come on. The car handles fine with no unusual sounds. The lights don’t come on for driving on city streets. Code comes back with a bad wheel speed sensor, which makes sense. Does the sensor...
  4. CM (2007-2012) Santa Fe
    Hello, First post. 2009 Santa Fe. 90,500 miles. "ESC off" and ABS light on. Wont turn off. Car appears to drive normal. I bought used for my daughter. I have a few questions 1. How do I turn it off? 2. Is it a problem? Appears to drive normal only one connection (possible?) Tail light and...
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