2011 Kia Optima electrical system problems
63 owner complaints filed with NHTSA name the electrical system on the 2011 Kia Optima — 11% of all complaints for this model year.
What owners report
“I own a 2011 Kia Optima, VIN [XXX]. My vehicle was taken to Rockwall Kia on August 25, 2026, for completion of NHTSA Safety Recall 23V-652 / Kia SC284TF involving the HECU fuse. The dealership replaced the HECU multi-fuse and label kit. Before the recall repair, the vehicle was operating normally…”
filed Sep 7, 2026
“I was having trouble with my left driver tire. 2 mechanics went to test drive the car to see what the problem was. As they were driving, the car died. They got it started but it ran horrible back to the garage. When they pulled in the driveway of the garage, the car started on fire. It was an…”
filed Aug 20, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
TECHNICAL SERVICE BULLETIN: CUSTOMER SATISFACTION: ANTI-THEFT S/W LOGIC UPGRADE & DECAL INSTALLATION (CS2303) - This bulletin has been revised to include additional information. New/revised sections of this bulletin are…
CS2303_TSB_R4 · Service Bulletin/Repair Instructions · issued Jun 5, 2024
Electrical System problems in other Optima years
| Year | Reports | Share |
|---|---|---|
| 2020 Optima | 13 | 9% |
| 2019 Optima | 23 | 11% |
| 2018 Optima | 33 | 14% |
| 2017 Optima | 25 | 10% |
| 2016 Optima | 102 | 14% |
| 2015 Optima | 135 | 13% |
| 2014 Optima | 60 | 10% |
| 2013 Optima | 146 | 11% |
| 2012 Optima | 122 | 13% |
| 2010 Optima | 13 | 17% |
| 2009 Optima | 16 | 14% |
| 2008 Optima | 15 | 10% |
Other reported problem areas on the 2011 Kia Optima
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.