2016 Kia Optima electrical system problems
102 owner complaints filed with NHTSA name the electrical system on the 2016 Kia Optima — 14% of all complaints for this model year.
What owners report
“Vehicle was purchased in 2023. AC blower failure occurred for the first time in June 2024 and was repaired by PepBoys. On 4/2/2025 the ve3hicle had an active recall event when the engine seized on the highway because of a faulty oil pump/filter, Engine was replaced 4/17/2025 under that recall. Kia…”
filed Aug 25, 2026
“While driving at highway speeds on the freeway in San Diego, the engine of my 2016 Kia Optima catastrophically seized without warning. I instantly lost all power steering, brake assist, and electrical power, creating an immediate life-threatening emergency. The vehicle was towed to a Kia dealer…”
filed Aug 21, 2026
“Blower motor is drawing excessive electricity, which in turn burns the fuse and junction pin, which in turn can start a fire in the car. Kia of Irvine suggested redoing all electrical wiring in the car, but that will not solve the issue. As soon as you turn on the AC, the blower motor will use so much electricity and…”
filed Aug 20, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
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% |
| 2015 Optima | 135 | 13% |
| 2014 Optima | 60 | 10% |
| 2013 Optima | 146 | 11% |
| 2012 Optima | 122 | 13% |
| 2011 Optima | 63 | 11% |
| 2010 Optima | 13 | 17% |
| 2009 Optima | 16 | 14% |
| 2008 Optima | 15 | 10% |
Other reported problem areas on the 2016 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.