2015 Kia Cadenza electrical system problems
13 owner complaints filed with NHTSA name the electrical system on the 2015 Kia Cadenza — 27% of all complaints for this model year.
What owners report
“Vehicle: 2015 Kia Cadenza Issue: Open HECU Safety Recall — Fire Risk I am the owner of a 2015 Kia Cadenza with an open HECU recall related to a known fire risk. I have been experiencing a burning smell inside the cabin of the vehicle, consistent with the recall defect. Upon contacting Kia Consumer…”
filed Mar 25, 2026
“My entire Dash went Black. I could not see speed, gas level, milage. This is an extreme Hazard! I brought the car into "Crown KIA" in Clearwater to run a Diagnostic Check for 0.5 hour at $150 and they could not find the problem. I had no money to pay for additional time! I did research on this and…”
filed Feb 1, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Electrical System problems in other Cadenza years
| Year | Reports | Share |
|---|---|---|
| 2017 Cadenza | 6 | 19% |
| 2014 Cadenza | 13 | 12% |
Other reported problem areas on the 2015 Kia Cadenza
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.