ABS/ESC Off light?

Asked by Dec 11, 2014 at 02:40 PM about the 2010 Hyundai Sonata GLS FWD

Question type: Maintenance & Repair

The ABS/ESC off light are one together on my 2010 sonata, since yesterday morning.
Thought it was the usual brake switch recall. Took it to the dealer made the switch.
Lights still on. That was yesterday. They'll occasionally go off for about 1 second
randomly and then come back on. Hit a road plate pretty hard this morning and heard a
bad scraping noise. Took it in for an oil change I needed anyway, and lo and behold
bad bearing. So $500 later I have a new bearing and hub. Thought the bearing would
fix the abs problem, as it was most likely messing with the wheel speed sensor. Also
the mechanic told me the new hub has a ring for the ABS which was totally ground off
on the old one. But repair done, lights still both on. Their generic scanner wouldn't clear
the code, so took it back to the dealership and cleared the code there. Came right
back on immediately. Any ideas? Car drives and handles fine. Regular brakes are
good and brand new pads and rotors in August. What else could cause the ABS +
ESC off lights to be steady on, and not fixed by either the brake switch recall or fixing
a bad bearing?

1 Answer

70

I have the same problem abs/esc light both on and will not turn off. So I took it in for the brake switch recall repair. After the repair the same lights still stay on, I was told I needed a new left front abs sensor switch. They did not have one in stock. Will cost parts and labor around $160.00 so I will have to wait for now.

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