The brake lights still do not turn on

2013 HYUNDAI SONATA
81,000 MILES • AUTOMATIC
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ARYANNASMOM
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I replaced the brake light switch due to the car dealership telling me it had to be replaced. The brake lights still do not turn on when pressing the pedal. Also, my ESC light stays on and cruise control does not work. The fuses seem good as well. What is the next thing to check?
Nov 17, 2017 at 4:35 AM
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PATENTED_REPAIR_PRO
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There are actually three fuses to check, the "stop lamp" of course and the "ECU 4" both in the e/r fuse and relay box, plus the "pdm 2" in the I/p fuse box.
There is also a stop signal relay that could as well be bad if all those fuses are okay and have power.
Here is the brake lamp wiring diagram. I see the ESC module in that diagram, so when you find out what is causing the stop lamps not to work, I suspect you will also fix that ESC problem as well and most likely get the cruise working again as well, because it too is related to the stop lamp switch.
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Mar 22, 2021 at 10:45 AM
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ARYANNASMOM
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One of the fuses I did not check before was actually blown so I replaced it and will see if that works when I get to work.
Mar 22, 2021 at 10:45 AM
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ARYANNASMOM
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That was it. thanks for the help, great site BTW.
Mar 22, 2021 at 10:45 AM