2018 Kia Niro Phev Other or unknown Problems
- Complaints
- 2about this part
- Share
- 15%of 13 total for the year
- Median mileage
- 15,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 2 complaints about the other or unknown of the 2018 Kia Niro Phev, 15% of the 13 complaints for this model year. Where a mileage was given, the median is 15,000 miles.
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.
“Vehicle randomly flashes message to check hybrid system. Warning message disappear after vehicle reset but the message has repeatedly come up very often now. Message pops up during many different scenarios: after charging, before charging, while charging, and during operation.”
NHTSA complaint #11190496, filed 2019-03, 15,000 miles“I received KIA letter about the recall SC276 for HCA issue around 1/15/24. I brought my 2018 Kia Niro PHEV to Kia Dealer in San Jose. They inspected and concluded that the vehicle is safe with the recall SC276. However, they did not replace the fuse as stated in Kia's recall instructions. Ten days later, I was on the road, slowing down at the intersection and the car suddenly lost power, the Dashboard show the message for 'EV System failed'. My battery was fully charged at work, which is 2 miles away. My gas tank was full and I couldn't start my car again. …”
NHTSA complaint #11572995, filed 2024-02Other or unknown: other model years
Other parts of the 2018 Kia Niro Phev
6 complaintsEngine
4 complaintsElectrical system
2 complaintsBody and structure
2 complaintsVehicle speed control
2 complaintsAir bags
1 complaintsBrakes
1 complaintsElectronic stability control
1 complaintsForward collision avoidance
1 complaintsFuel system
1 complaintsSuspension
1 complaints
← All problems reported for the 2018 Kia Niro Phev
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 30, 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