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Electrical systemPart report

2015 Kia Optima Hybrid Electrical system Problems

Complaints
5about this part
Share
42%of 12 total for the year
Median mileage
62,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 5 complaints about the electrical system of the 2015 Kia Optima Hybrid, 42% of the 12 complaints for this model year. Where a mileage was given, the median is 62,000 miles. 1 a fire, according to the filers.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“On december 5, 2018 my car suddenly stalled while driving in an intersection. I immediately tried to restart it but was unsuccessful I had battery power, all of the ga restart it but was unsuccessful I had battery power, all of the gauges would a cycle back-and-forth whenever pushing the start button,however it was just like the gas motor would not fire. It is still under warranty, so I had it towed to a dealership. The next morning I was called and told that it showed a lot of codes, and they would need some time to decipher them and would notify me with results later. …”

NHTSA complaint #11163271, filed 2018-12, 50,000 miles

“* october 2017 while driving in the freeway car slowed down. Got off freeway and turned off car. Car would not start anymore. Kia replaced high voltage fuse, hybrid battery, power relay. * march 2018 car was taken in due to hev and engine light on while driving. Car did not accelerate. Kia replaced the transmission. * march 2018 car was returned after transmission change and 2 days later while driving car gave hev and engine light on. Kia said it was a loose wire from transmission. …”

NHTSA complaint #11197210, filed 2019-04, 62,000 miles

“The contact owned a 2015 Kia Optima Hybrid. The contact stated that ten minutes after parking the vehicle, it burst into flames without warning. The fire department extinguished the fire. A fire report was filed. The vehicle was totaled and towed away by the insurance company. The dealer was not called. The manufacturer was made aware of the failure and planned to investigate the matter. The cause of the failure was not determined. The failure mileage was approximately 60,400. Consumer stated fire started at the hybrid battery.”

NHTSA complaint #11150361, filed 2018-11, 60,400 miles

Related service bulletins

Electrical system: other model years

YearComplaintsShare of year
2017623%
2015542%
20141135%
20132239%
20122018%
2011618%

Other parts of the 2015 Kia Optima Hybrid

Engine
5 complaints
Steering
2 complaints
Electronic stability control
1 complaints
Exterior lighting
1 complaints
Other or unknown
1 complaints
Body and structure
1 complaints
Transmission and drivetrain
1 complaints

← All problems reported for the 2015 Kia Optima Hybrid

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 29, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology