Problems · NHTSA complaints

2023 Kia Carnival problems

Owners filed 52 complaints about the 2023 Kia Carnival with NHTSA between Jul 2022 and Oct 2026. The most-cited component is structure (12).

Complaints
52
Filed with NHTSA
Crashes
1
Reported by owners
Fires
0
Reported by owners
Injuries
7
People reported injured
Deaths
0
Reported to NHTSA
01 —By component

Complaints by component

One complaint can cite several components
  1. Structure12
  2. Electrical system6
  3. Engine5
  4. Seat belts3
  5. Fuel/propulsion system3
  6. Fuel system, gasoline2
  7. Latches/locks/linkages2
  8. Chest clip, buckle, harness2
  9. Steering2
  10. Lane departure2
  11. Engine and engine cooling1
  12. Power train1
  13. Service brakes1
  14. Visibility/wiper1

Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.

Data from NHTSA Complaints API · synced Oct 28, 2026NHTSA vehicle page
02 —Trend

When complaints were filed

Does it get worse with age? Complaints per calendar year filed
View as table
Model yearComplaints filed per calendar year
20223
202318
20248
202510
202613

Mileage at failure isn’t a structured field in NHTSA complaint data, so we don’t chart it. Some owners mention it in their reports below.

03 —Owner reports

Top problems in owners’ words

Verbatim from NHTSA complaints, newest first

Structure

12 reports2 related recalls
“The contact owns a 2023 Kia Carnival. The contact stated that while driving approximately 55 MPH, the driver’s side roof molding ejected from the vehicle. The contact immediately stopped the vehicle but was unable to locate the molding. The cause of the failure was not yet determined. The manufacturer and local dealer were notified of the failure, but no assistance was offered. The contact was informed that the VIN was not included in NHTSA Campaign Number: 24V025000 (STRUCTURE). The contact stated that the vehicle had experienced the failure listed in the recall. The failure mileage was 77,000.”
Owner complaint to NHTSAFiled Jun 5, 2026StructureODI 11742271

Electrical system

6 reports
“The contact owns a 2023 Kia Carnival. The contact stated that during freezing weather, the button was depressed to open the driver's side rear sliding door, and the door automatically opened; however, the motor reached a point of resistance and attempted to close the sliding door. Due to the failure of the cable in the door snapped behind the glass window. The contact manually opened the sliding door and used excessive force to close the door. The vehicle was taken to the dealer, who confirmed that the door cable had snapped. The contact was informed that the vehicle was out of warranty; however, the dealer reached out to the manufacturer for assistance. The manufacturer later agreed to partial assistance with the repair. The contact paid for the remaining cost of the repair. The manufacturer was contacted about the repair and provided a case number. The vehicle was repaired. The failure mileage was 63,476.”
Owner complaint to NHTSAFiled Feb 12, 2026Electrical system, Latches/locks/linkagesODI 11717587

Engine

5 reports
“I am reporting a safety defect involving my 2023 Kia Carnival SX Prestige. On June 6, 2025, I brought the vehicle to Yonkers Kia Service Center because of a strong gasoline odor. The dealership told me the fuel tank was swollen and that the vehicle was unsafe to drive. The vehicle remained at the dealership from June 6, 2025 through October 17, 2025. Kia later indicated that the fuel tank, canister, and vent valve had been replaced. When the vehicle was returned to me on October 17, 2025, it still smelled like gas. Within 24–48 hours, the same or related safety issues returned, including strong fuel odor, loss of engine power, check engine light, abnormal fuel consumption, and later a visible fuel leak, which I documented on video. Because the vehicle did not feel safe, I stopped driving it on October 19, 2025. In March 2026, the vehicle was towed back to Kia for renewed diagnosis. Kia later reported that one fuel injector was leaking and performed additional repairs. My VIN now shows open unrepaired Recall SC368 / NHTSA Recall 26V232. That recall states that the high-pressure cross-over fuel pipe nuts may loosen over time, resulting in a fuel leak and fire…”
Owner complaint to NHTSAFiled Apr 29, 2026Power train, Engine, Fuel/propulsion systemODI 11734511

Seat belts

3 reports
“The seatbelt anchor for the second row seat immediately behind the driver's seat failed to latch properly sometimes and it would take several attempts to get it latched properly. The safety of me and others was put at risk because I could have been ejected in a crash or moved forward into the drivers seat, causing serious or fatal injury to me and/or the driver. The problem has not been reproduced, and the components have not been inspected, and there were no warnings issued by the vehicle.”
Owner complaint to NHTSAFiled Oct 18, 2026Seat beltsODI 11771975

Fuel/propulsion system

3 reports
“Fuel door actuator is electrically tied to cabin door locks with no manual release and frequently fails to open after repeatedly cycling cabin door locks. Issue is not due to bad batteries or other vehicle related electrical faults. Manufacturer has confirmed defect is present in all Kia models from 2020 until now with no after warranty support.”
Owner complaint to NHTSAFiled Sep 23, 2026Fuel/propulsion systemODI 11766404

Fuel system, gasoline

2 reports1 related recall
“The contact owns a 2023 Kia Carnival. The contact stated that while driving 40 MPH, there was an abnormal fuel odor inside the vehicle, causing the contact’s six children to become dizzy from the odor. No warning light was illuminated. The vehicle was repaired under NHTSA Campaign Number: 26V232000 (FUEL SYSTEM, GASOLINE); however, the remedy failed to fix the vehicle. The contact stated that the failure occurred after the recall repair was performed. The manufacturer was notified of the failure and informed the contact that the dealer might offer a buyback of the vehicle. The manufacturer opened a case. The failure mileage was 58,425.”
Owner complaint to NHTSAFiled Aug 4, 2026Fuel system, gasolineODI 11754708
Data from NHTSA Complaints API (owner reports, unverified) · synced Oct 28, 2026

Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.