2014 Hyundai Sonata electrical system problems

Related recalls

No recalls on file.

What owners say

1. Filed Jun 29, 2026NCElectrical SystemEngineOther / Unknown

   I was driving my 2014 hyundai sonata that I only had for 3 months when it just quit on me. I pulled over and seen when white smoke was coming from the wires.

   NHTSA complaint #11747161 · source
2. Filed Feb 17, 2026GAElectrical System

   Odometer Fraud. The contact owns a 2014 Hyundai Sonata. The contact purchased the vehicle on April 28, 2025, with 28,974 miles from a dealer. On January 20, 2026, while attempting to start the vehicle after being parked for a while, the vehicle lost power and failed to start. The contact walked to an AutoZone nearby, where a mechanic diagnosed that the battery and starter needed to be replaced. The vehicle was repaired while with the mechanic, and the contact was informed…

   NHTSA complaint #11718409 · source
3. Filed Jan 16, 2026OHElectrical SystemEngineTransmission & Drivetrain

   While driving with my family on a busy freeway at approximately 70 mph, our vehicle suddenly displayed a loud, urgent warning: “Hybrid System Warning – Safely Stop and Do Not Drive!” At the same moment, the car lost the ability to accelerate without any prior signs of trouble. We were extremely fortunate to have enough momentum to coast to the shoulder and shut the vehicle off, unsure of how serious the issue might be. Being stranded without warning on a high‑speed highway…

   NHTSA complaint #11711362 · source
4. Filed Nov 24, 2025CTElectrical System

   The High-Voltage (HV) Hybrid Battery Pack Assembly failed, resulting in a system shutdown and the required replacement. The primary code is DTC P0A80 ("Replace Hybrid Battery Pack"), which indicates an internal manufacturing or design flaw, specifically a weak battery module or compromised internal connection, not normal wear. The defective component (the high-voltage battery) is currently at and is available for inspection. The entire vehicle is also compromised by the…

   NHTSA complaint #11701274 · source
5. Filed Jul 24, 2025AZBrakesElectrical SystemSeats & Seat Belts

   The electrical in the entire car is malfunctioning. Sometimes the brake lights don’t work due to wiring, other times the seats control don’t work and the cables to battery is not connected/firing correctly. Has an entire electrical issue

   NHTSA complaint #11676058 · source
6. Filed Jul 7, 2025CAElectrical SystemEngineTransmission & Drivetrain

   Dear Sir/Madam, I am writing to file a formal safety complaint regarding a dangerous incident involving my Hyundai Sonata Hybrid (VIN: [XXX] ) and Hyundai Motor America’s failure to fully correct the issue. Incident Summary: While driving on the freeway, the vehicle suddenly displayed the following alarming warnings: “Hybrid System Warning! Safely Stop and Do Not Drive” “Check Charging System” Immediately after these messages appeared, the car lost all power and shut down in…

   NHTSA complaint #11671502 · source
7. Filed Jun 14, 2025CAElectrical SystemOther / UnknownTransmission & Drivetrain

   Formal Complaint – Hybrid System Failure, Safety Risk (VIN: [XXX] | Hyundai Case #[XXX]) Dear Sir/Madam, I am writing to file a formal safety complaint regarding a dangerous incident involving my Hyundai hybrid vehicle (VIN: [XXX] ) and Hyundai Motor America's failure to respond meaningfully to repeated requests for assistance. Incident Summary: On [XXX], while driving with my two young children (ages [XXX] and [XXX] ), my vehicle suddenly displayed the following critical…

   NHTSA complaint #11666942 · source
8. Filed May 29, 2025FLBrakesElectrical System

   the car has abruptly applied braking while driving. I took the car to get checked after that and i was told that there was nothing wrong except that the pads will need to be change sooner than later. I mechanic did tell me that it could be a safety issue because it was an uncontrollable. I than took the car to the Hyundai dealer for them to diagnose the car. They proposed that i change everything, including the brake pedal, which to me, sounded very fishy. One week ago,…

   NHTSA complaint #11663736 · source
9. Filed Mar 21, 2025138,000 miFLElectrical System

   The contact owns a 2014 Hyundai Sonata. While driving at various speeds, the steering wheel was shaking and jumping, with the headlights flickering, and the steering wheel lost resistance, and became easier to maneuver. While turning the vehicle either to the left or the right, there was a vibrating sound coming from underneath the hood of the vehicle. After the sound occurred, the contact noticed that after turning off the vehicle and then attempting to restart the vehicle,…

   NHTSA complaint #11649652 · source
10. Filed Jan 29, 2025GAElectrical SystemTransmission & Drivetrain

    When I was driving on highway check brake warning came up with hybrid system warning I wasn’t be able to stop or accelerate I slowed down and pulled over might caused a big accident.

    NHTSA complaint #11639362 · source
11. Filed Nov 29, 2024TXCrashBrakesDriver Assistance & Safety TechElectrical System

    I was driving and my car started beeping and the wheel jerked to the left and my car slowed down from 65mph to 20mph and almost caused me to have an accident. After I replaced the breaking module, my battery started shorting out and my car once again jerked off to the side and then slowed down abruptly from 65 mph to 20mph.

    NHTSA complaint #11627965 · source
12. Filed Nov 25, 2024NHElectrical SystemEngineAcceleration & Cruise Control

    Oct 24th, 2024 on highway had accelerated to 75, all of a sudden, car experienced mechanical shutdown, engine light came on would go fast slow down, felt like braking down, engine light was solid, had to get very slowly somehow into the brake down lane. Turned the car off, waited long time...got advice to try to power car back on because was night and was dangerous lane. Car started, drove very slowly home with hazard lights on. Next incident (that I was on hgwy) Nov 24th,…

    NHTSA complaint #11627320 · source

Source: U.S. National Highway Traffic Safety Administration (NHTSA) Office of Defects Investigation public data. Complaints are submitted by owners and are not verified by NHTSA or by us; a complaint does not prove a defect exists. View this vehicle on NHTSA.gov Methodology