Which parts fail
Components named in complaints (battery, alternator, wiring, ignition, instrument cluster, infotainment).
Mileage when the problem started
Owner reports
Selected complaints filed with NHTSA by 2017 Kia Sorento owners, lightly cleaned up (personal details are redacted by NHTSA).
The contact owns a 2017 Kia Sorento. The contact stated that upon starting the vehicle, the ABS warning light and other unknown warning lights illuminated. Additionally, the contact noticed that the exterior of the driver's side mirror housing had melted. The contact stated that shortly after she could no longer lock or unlock the doors of the vehicle using the driver's side power door lock switch and the key fob. The contact was also unable to roll down the windows using the window switches. The contact stated that the instrument cluster had also failed. The vehicle was taken to an independent mechanic where it was diagnosed that an electrical fire had occurred in the driver's side mirror housing. The independent mechanic disconnected the electrical wiring system of the driver's side mirror housing. …
The contact owns a 2017 Kia Sorento. The contact stated that while seated inside the vehicle with three other occupants and the engine turned off, there was black smoke quickly coming from underneath the hood. The contact and the passengers exited the vehicle. The contact stated that a fire had started in the engine bay on the passenger's side of the vehicle and another vehicle was damaged in the fire. The fire was extinguished by the Fire Department. The contact stated that a Police report was filed. The contact believed that the vehicle was destroyed, but the insurance company had not yet deemed the vehicle a total loss. There were no injuries sustained. The dealer was not notified of the failure. The vehicle was not repaired. The manufacturer was notified of the failure. The failure mileage was 138,000.
I am unsure what component system failed or malfunctioned. The car is in the toe place. It's a total loss burned from front to back my safety was put at risk by no indication of any lights coming on my dashboard. By the time I stopped the whole front into my car was on fire. It burned from from 2 back within 8 minutes. It has not been inspected by insurance. The police were there when the fire was put out along with the fire department. There were no warning lights or lamps of any indication of a problem. I was driving down the road and I seemed small but I had no lights on my dashboard. Indicating anything was wrong? So I drove as soon as I started to slow down at the stoplight. Flames started coming out of the driver's side of the hook. …
The contact owns a 2017 Kia Sorento. The contact stated that while driving at night at an undisclosed speed, the lights on the instrument panel and the headlights became inoperable. Additionally, the contact stated that while the vehicle was parked and turned off, the headlights and instrument panel lights turned on independently. The contact stated that while attempting to unlock the vehicle with the key fob, the vehicle failed to unlock. The contact was able to manually unlock the vehicle. The vehicle was taken to the dealer; however, the vehicle was not diagnosed or repaired. The contact related the failure to NHTSA Campaign Number: 16V862000 (Trailer Hitches, Electrical System). The manufacturer was made aware of the failure. The failure mileage was approximately 70,000.
The contact owns a 2017 Kia Sorento. The contact stated that while the vehicle was started and running, the air conditioner failed to operate as needed. The contact stated that the front passenger's seat was moldy, and the sunroof had seized. Additionally, the sunroof headliner fell while changing lanes. A dealer was contacted. The vehicle was towed to the dealer, where it was diagnosed; however, the result was not provided. The windshield washer, the sunroof assembly, the reservoir pump, and the front axle seal assembly were replaced, and the vehicle was repaired. The manufacturer was notified of the failure, and informed the contact that the issue would be escalated to the corporate level and the dealer. The approximate failure mileage was 61,000.
The contact owns a 2017 Kia Sorento. The contact stated that the vehicle had started independently. While the vehicle was in the driveway, the contact became aware that the vehicle had been running for a while. While driving at 45 MPH, the vehicle shut off but restarted independently. While driving 35 MPH, the vehicle stalled. The failure had occurred on several occasions. The vehicle was towed by AAA to the local dealer, where it was determined that the ignition switch was melted. The vehicle failed to turn off as needed. The dealer stated that the failure was a fire hazard. The contact was informed that the wiring harness and the pigtail starter button needed to be replaced. The dealer ordered the part. The failure mileage was approximately 149,000.
The contact owns a 2017 Kia Sorento. The contact stated while driving approximately 65 MPH, the vehicle lost power steering assist and seized without warning. The contact was able to safely guide the vehicle off the roadway. The contact had the vehicle towed to an independent mechanic who diagnosed that there was a mechanical defect in the steering assembly and had to be addressed by a dealer. The contact drove the vehicle to a local dealer, where it was diagnosed with needing the battery and a faulty ball joint replaced. The dealer stated that the failure was not due to the steering. The vehicle was not repaired. The manufacturer had been informed of the failure. The failure mileage was approximately 110,000.
The contact owns a 2017 Kia Sorento. The contact stated upon activating the high beam headlights, both the internal and external lights failed to operate as needed. The contact stated that the lights had to be manually turned off before returning to normal operation. The contact also mentioned that his wife had driven into a ditch and scratched the passenger's side of the vehicle due to the failure. The vehicle was taken to the dealer where he was given an estimate for a diagnostic test and repair. The manufacturer was not notified of the failure. The failure mileage was 42,600. The VIN was not available.
The contact owns a 2017 Kia Sorento. The contact stated that while the vehicle was stopped and idling, the engine oil warning light illuminated, and the Apple CarPlay, radio, and HVAC system became inoperable. The vehicle was taken to the dealer, and the oil pressure switch was replaced under warranty. The dealer determined that the electrical system had failed due to the oil pressure switch leaking oil onto the wiring harness, and that the wiring harness needed to be replaced. The manufacturer was notified of the failure by phone. The failure mileage was approximately 131,000.
The contact owns a 2017 Kia Sorento. The contact stated that while exiting the vehicle, there was an abnormal burning odor coming from underneath the driver's side of the vehicle. There was no warning light illuminated. The contact stated that the failure had reoccurred. The dealer and the manufacturer were not notified of the failure. The vehicle was not diagnosed nor repaired. The failure mileage was approximately 68,700.
Electrical complaints in other Sorento years
Frequently asked questions
How common are electrical problems on the 2017 Kia Sorento?
NHTSA has 97 complaints about the electrical system of the 2017 Kia Sorento, 12% of the model year's 807 complaints. The component named most often is integrated trailer brake control (1 mentions).
Is there a recall for 2017 Kia Sorento electrical problems?
No. NHTSA lists no electrical system recall for the 2017 Kia Sorento, though it has 4 recalls for other components. If the problem is widespread, a repair may still be covered by an extended warranty or a manufacturer service bulletin — ask a dealer.
At what mileage do 2017 Kia Sorento electrical problems start?
Half of the complaints with a recorded mileage happened before about 59,000 miles, and 12% before 25,000 miles.
Is it dangerous?
Owners linked 0 crashes, 5 fires and 0 injuries to electrical system problems on this model year. If you notice symptoms, have the car checked before driving further.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.