NHTSA Complaint #11671946 — 2012 HYUNDAI SONATA
SERVICE BRAKES issue reported to NHTSA
Complaint Details
| ODI Number | 11671946 |
| Vehicle | 2012 HYUNDAI SONATA |
| Component | SERVICE BRAKES |
| Date of Incident | |
| Date Filed | |
| Mileage | N/A miles |
| Crash | No |
| Fire | No |
| Injuries | 0 |
| Deaths | 0 |
| Vehicle Towed | No |
| State | IL |
Consumer Description
I drive a 2012 Hyundai Sonata Limited. After a recent fill-up, I began experiencing delayed acceleration, engine hesitation, and what appears to be misfiring—especially at low throttle. Most notably, the brake lights stay illuminated even when the car is turned off, which drains the battery and poses a major safety hazard. I scanned the vehicle with an OBD-II scanner and received code P0504, which points to a brake light switch malfunction. I also noticed that pressing the start button with my foot off the brake still starts the engine instead of going into accessory mode—confirming abnormal brake signal behavior. I replaced the brake light switch, which temporarily fixed the issue, but the symptoms returned within a day. After researching, I found there was a recall (NHTSA 15V759000) for a nearly identical issue involving the brake light switch and stopper pad. However, my VIN is not listed, even though I am experiencing the same safety-critical symptoms. This issue poses a significant safety risk on the road, and I believe my vehicle should be included in the affected population of the recall or issued a Technical Service Bulletin extension.
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