2025 Kia Carnival problems & reliability
119 owner complaints filed with NHTSA for the 2025 Kia Carnival, alongside 1 safety recall campaign. Last verified Aug 7, 2026. Complaints are unverified reports submitted by owners to the federal Office of Defects Investigation.
Each complaint is counted once (by NHTSA case number), even when it names several vehicles.
5 complaints report injuries (5 injured).
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Electrical System | 81 | 68% |
| Unknown OR Other | 19 | 16% |
| Engine | 15 | 13% |
| Fuel/propulsion System | 7 | 6% |
| Exterior Lighting | 5 | 4% |
| Power Train | 5 | 4% |
| Seats | 4 | 3% |
| Structure | 4 | 3% |
| Forward Collision Avoidance | 3 | 3% |
| Lane Departure | 3 | 3% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
Common symptoms owners describe
Keyword analysis of complaint narratives; one complaint can describe several symptoms.
Complaints by incident year
What owners report
“The vehicle's passenger cabin continually has a strong odor smell after longer drives or after the vehicle idles for a longer duration in time. The vehicle was brought to Horne, KIA in Gilbert, AZ twice in June for same. Both times the service department stated they could not duplicate the problem and could not…”
Fuel/propulsion System · filed Jul 14, 2026
“The rear sliding door on the driver's side was not locking. I took it to the dealership and they have replaced the actuator, the wiring harness, and the IPM power module. None of this has fixed it. We now have a Kia special mechanic coming to [XXX] to take a look at it. I was told there are 19 other vehicles in [XXX]…”
Unknown OR Other · filed Jul 9, 2026
“The contact owns a 2025 Kia Carnival. The contact stated that while parked in a bank drive-thru, the contact's son mentioned that his seat belt was stuck. The contact parked the vehicle in a parking spot and attempted to remove the seat belt; however, the seat belt retracted tightly around his abdomen as the lower…”
Seat Belts · filed Jul 7, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Technical service bulletins
48 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 2025 Kia Carnival. The 10 most recent:
IMPORTANT REMINDER: OWNER NOTIFICATION: CARNIVAL POWER SLIDING DOOR FEATURE (KA4PSD2 FLIGHT#105) - This document is the owner notification advising Kia's ongoing commitment to providing vehicle owners with a superior…
PSD_REMINDER2_105 · Other · issued Jun 19, 2026
RELEASE NOTES: OVER-THE-AIR: SOFTWARE UPDATE FOR DATA CONNECTIVITY (ELE413 Revision 2) - This Over-the-Air (OTA) software update is designed to update the Data Connectivity Unit (DCU) logic of certain 2025 - 2026MY…
OTA_ELE413_NOTES_R2 · Over The Air · issued Jun 18, 2026
TECHNICAL SERVICE BULLETIN: PRODUCT IMPROVEMENT CAMPAIGN: 2ND ROW SEAT (LH & RH) FOLDING TENSION SPRING REPLACEMENT (PI2602) - This bulletin provides information to enhance the second-row seatback recliner mechanism to…
PI2602_TSB · Service Bulletin/Repair Instructions · issued Jun 16, 2026
PRODUCT IMPROVEMENT CAMPAIGN: OWNER NOTIFICATION (PI2602) - This document is the owner notification advising that Kia is conducting a Product Improvement Campaign on certain 2022-2026 MY Carnival and certain 2025-2026…
PI2602_OWNR · Other · issued Jun 12, 2026
PRODUCT IMPROVEMENT CAMPAIGN: QUESTION AND ANSWER (PI2602) - This document is the Question and Answer Guide containing the most frequently asked questions regarding the Product Improvement Campaign PI2602.
PI2602_QA · Other · issued Jun 10, 2026
PRODUCT IMPROVEMENT CAMPAIGN: DEALER PARTS AND SERVICE MANAGER MEMO (PI2602) - This document is the announcement to the dealer Parts and Service managers advising that Kia is conducting a Product Improvement Campaign to…
PI2602_DPSM · Other · issued Jun 9, 2026
PRODUCT IMPROVEMENT CAMPAIGN: DEALER PRINCIPAL MEMO (PI2602) - This document is the announcement to the dealer principals advising that Kia is conducting a Product Improvement Campaign to enhance the second-row seatback…
PI2602_DP · Other · issued Jun 9, 2026
TECHNICAL SERVICE BULLETIN: INFOTAINMENT SYSTEM SOFTWARE UPDATE USING UPDATE.KIA.COM - This bulletin provides information and service procedures for updating the infotainment systems on applicable Kia vehicles using the…
TSB_ELE422 · Service Bulletin/Repair Instructions · issued May 28, 2026
RELEASE NOTES: OVER-THE-AIR: SOFTWARE UPDATE FOR DATA CONNECTIVITY (ELE413 Revision 1) - This Over-the-Air (OTA) software update is designed to update the Data Connectivity Unit (DCU) logic of certain 2025 - 2026MY…
OTA_ELE413_NOTES_R1 · Over The Air · issued Apr 24, 2026
TECHNICAL SERVICE BULLETIN: VOLUNTARY SERVICE CAMPAIGN: OIL LEVEL PLUG (OLP) INSPECTION, AND OLP GASKET AND/OR ATF FILLER BOLT REPLACEMENT OR A/T REPLACEMENT (SC363) - This bulletin provides information to inspect the…
SC363_TSB · Service Bulletin/Repair Instructions · issued Apr 17, 2026
TSBs are repair guidance manufacturers send to dealers — they are not recalls and repairs are not automatically free. Full documents are available on NHTSA’s site.
Safety recalls
The 2025 Kia Carnival has 1 NHTSA recall campaign — recall repairs are free at franchised dealers regardless of the vehicle’s age.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →Buying a used 2025 Kia Carnival?
- · Decode the seller’s VIN with our free VIN decoder to confirm the exact year, engine and trim.
- · Check for unrepaired recalls by VIN on NHTSA’s official lookup — recall repairs are free.