2025 Kia Carnival Hybrid vehicle speed control problems
23 owner complaints filed with NHTSA name the vehicle speed control on the 2025 Kia Carnival Hybrid — 38% of all complaints for this model year.
What owners report
“My vehicle keeps throwing a code “check hybrid system” and slowing me down to 30mph, it will not accelerate. This is extremely dangerous. I can restart the car and it’s fine but this is a major safety issue considering it keeps happening”
filed Sep 6, 2026
“On five separate occasions, while turning onto a high-speed roadway and attempting to accelerate to the flow of traffic, the vehicle suddenly lost the ability to accelerate. Despite pressing the accelerator, the vehicle would not exceed approximately 35 mph and then began to decelerate. During both…”
filed Jul 10, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Vehicle Speed Control problems in other Carnival Hybrid years
| Year | Reports | Share |
|---|---|---|
| 2026 Carnival Hybrid | 5 | 24% |
Other reported problem areas on the 2025 Kia Carnival Hybrid
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.