2009 Hyundai Sonata Electrical System Problems
Owners have filed 61 complaints with NHTSA about electrical system problems on the 2009 Hyundai Sonata, 13% of all complaints for this model year. Half of the reports with a mileage happened before 80,248 miles. The words owners use most often: “valve cover gasket” (11% of reports).
- 61electrical system complaints
- 80,248median miles at failure
- 0mention a crash
- 1mention an injury
- 0related recalls
- 41%of reports with a speed happened at 50+ mph
What owners describe
Phrases that appear unusually often in these complaints compared with complaints about other cars.
- Valve cover gasket: mentioned in 7 of 61 complaints (11%)
- Ignition switch: mentioned in 6 of 61 complaints (10%)
- Onto alternator: mentioned in 5 of 61 complaints (8%)
At what mileage do electrical system problems happen?
Based on 47 complaints that reported the odometer reading.
How serious are the reports?
Of 61 complaints, 3 a fire, 1 an injury.
Hyundai Sonata electrical system complaints by model year
| Model year | Electrical System complaints | Share of that year | Median miles |
|---|---|---|---|
| 2025 Sonata | 1 | 6% | — |
| 2024 Sonata | 18 | 39% | 9,000 |
| 2023 Sonata | 12 | 14% | — |
| 2022 Sonata | 17 | 18% | 70,000 |
| 2021 Sonata | 17 | 13% | — |
| 2020 Sonata | 40 | 22% | 10,000 |
| 2019 Sonata | 12 | 7% | 32,000 |
| 2018 Sonata | 60 | 16% | 21,250 |
| 2017 Sonata | 65 | 8% | 24,598 |
| 2016 Sonata | 89 | 12% | 85,200 |
| 2015 Sonata | 167 | 14% | 57,321 |
| 2014 Sonata | 135 | 18% | 78,000 |
| 2013 Sonata | 261 | 14% | 84,000 |
| 2012 Sonata | 235 | 15% | 80,000 |
| 2011 Sonata | 443 | 13% | 58,000 |
| 2010 Sonata | 16 | 5% | 55,122 |
| 2009 Sonata | 61 | 13% | 80,248 |
| 2008 Sonata | 32 | 8% | 79,500 |
| 2007 Sonata | 51 | 7% | 98,000 |
| 2006 Sonata | 86 | 8% | 78,000 |
| 2005 Sonata | 19 | 12% | 69,000 |
| 2004 Sonata | 17 | 8% | 98,000 |
| 2003 Sonata | 19 | 10% | 45,000 |
| 2002 Sonata | 23 | 7% | 75,500 |
| 2001 Sonata | 9 | 4% | 44,001 |
| 2000 Sonata | 37 | 13% | 90,000 |
| 1999 Sonata | 11 | 9% | 70,000 |
| 1998 Sonata | 4 | 8% | 62,500 |
| 1997 Sonata | 5 | 10% | 108,000 |
| 1996 Sonata | 5 | 22% | — |
| 1995 Sonata | 8 | 12% | — |
When owners reported it
Related recalls (0)
No safety recall lists electrical system for the 2009 Hyundai Sonata. A pattern of complaints does not always lead to a recall.
What owners report
Short excerpts of recent complaints, with personal details removed. Full reports are on NHTSA.gov.
Passenger seat belt doesnât click in. Miss fire Poor acceleration Exhaust leak Power lost Mechanic canât find the problem Check engine light on
Brakes seize up while driving and then cannot move the vehicle. This causes a dangerous situation while driving and then breaks lock up and cannot move car even though vehicle is on and then stopped for a stop light. Car must then be turned off and sit for about 30 minutes so it can unseize and…
Oil Leak on Alternator Engine leaking oil from the front cylinder bankâs valve cover or from the valve coverâs gasket onto the alternator. An unknown amount of oil damaged the alternator resulting in illumination of the charging system warning lamp and disablement of the charging system. If the…
Frequently asked questions
Do all 2009 Hyundai Sonatas have electrical system problems?
No. NHTSA has 61 owner complaints about electrical system for the 2009 Hyundai Sonata (13% of the 460 complaints for this model year). Complaint data shows that the problem is reported, not how many of all cars sold are affected.
Was there a recall on the 2009 Hyundai Sonata electrical system?
No recall currently lists electrical system for this vehicle.
At what mileage do electrical system problems start?
The median reported mileage is 80,248 miles: half of the reports with a mileage came before that.
What do owners say about electrical system problems on the 2009 Hyundai Sonata?
The most frequent phrase is “valve cover gasket”, in 7 of 61 complaints, followed by “ignition switch” (6).
Other 2009 Hyundai Sonata problems
See all 2009 Hyundai Sonata problems or electrical system problems across all Sonata years.