Questions & Answers for: Hyundai Sonata 504

i have code 504 check engine light on any idea what 504 is? It is a brake switch code, hyundai has posted a massive recall on them, though your car may not apply. It will need a switch, I think only 2

Hi l have scan my car /sonata/2006 . There is acode 504 what is mean http://www.justanswer.com/hyundai/3w997-06-sonata-check-engine-light-p504-code-abs-light-lit.html Check this site hope it helps. ...