2024 Kia Carnival problems & reliability
66 owner complaints filed with NHTSA for the 2024 Kia Carnival, alongside 2 safety recall campaigns. 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.
9 complaints report injuries (10 injured).
Federal crash records (FARS 2020–2023): 2024 Kia Carnival vehicles were involved in 1 fatal crash with 0 occupant deaths. Involvement counts are not adjusted for how many are on the road and do not imply fault or a vehicle defect.
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Unknown OR Other | 21 | 32% |
| Electrical System → | 16 | 24% |
| Engine | 7 | 11% |
| Steering | 7 | 11% |
| Seats | 6 | 9% |
| Structure | 6 | 9% |
| Fuel/propulsion System | 4 | 6% |
| Visibility/wiper | 3 | 5% |
| Air Bags | 2 | 3% |
| Power Train | 2 | 3% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
Complaints by incident year
What owners report
“This specific van has 2 open recalls already: 1 on a rear seat issue and 1 on a fuel pipe issue which is why i submitted to KIA dealer in the first place after smelling gas inside the cabin of my car while driving for 3 days until the dealer opened. While at the dealer they found a manufacture defect of the gas tank…”
Fuel/propulsion System · filed Jul 30, 2026
“Incident description: While driving, the vehicle’s dashboard illuminated all warning lights (ABS, traction control, battery, check engine, forward safety system) and the engine revved to approximately 8,000 RPM with unintended rapid acceleration. Driver had to apply hard braking to maintain control and avoid a…”
Vehicle Speed Control · filed Jul 22, 2026
“While stopped, the brake pedal drops to the floor and the vehicle begins to roll forward. I went to the dealership and told them what happened, they told me there is no recall on this, and it is a "normal part of driving". This is not a normal part of any braking system. The pedal should not drop to the floor while…”
Service Brakes · filed Jul 8, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Technical service bulletins
54 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 2024 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
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
IMPORTANT REMINDER: OWNER NOTIFICATION (KA4PSD2) - This document is the owner notification advising Kia's ongoing commitment to providing vehicle owners with a superior ownership experience. We would like to remind…
PSD_REMINDER2_104 · Other · issued Apr 17, 2026
TECHNICAL SERVICE BULLETIN: INFOTAINMENT SOFTWARE UPDATE PROCEDURE - This bulletin provides information on the process for downloading infotainment software updates and preparing USB for installation on applicable Kia…
TSB_ELE417 · Service Bulletin/Repair Instructions · issued Apr 14, 2026
PITSTOP: TECHNICAL OPERATIONS: CCU FUSE OPEN AFTER WIRING HARNESS REPLACEMENT - This Pitstop provides information regarding a condition on 2022-2026MY Carnival (KA4 and KA4 HEV) vehicles in which the CCU 10A fuse may…
PS807 · Service Bulletin/Repair Instructions · issued Mar 5, 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 2024 Kia Carnival has 2 NHTSA recall campaigns — 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 2024 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.