2024 Kia Carnival electrical system problems
16 owner complaints filed with NHTSA name the electrical system on the 2024 Kia Carnival — 22% of all complaints for this model year.
What owners report
“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…”
filed Jul 22, 2026
“Driver side passenger back sliding door will not open or close properly. Door will jam and make a loud noise or will not open when trying to open. Took it the dealership 4 times they replaced the motor but the issue continues.”
filed Mar 17, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
WARRANTY EXTENSION CAMPAIGN: OWNER NOTIFICATION (WTY048) - This document is the owner notification advising that Kia is extending the New Vehicle Limited Warranty coverage, to all owners, for repairs related to the horn…
WTY048_OWNR · Warranty Program/Extension · issued Aug 25, 2026WARRANTY EXTENSION CAMPAIGN: DEALER PRINCIPAL MEMO (WTY048) - This document is the announcement to the dealer principals advising that Kia is s extending the New Vehicle Limited Warranty coverage, to all owners, for…
WTY048_DP · Warranty Program/Extension · issued Aug 21, 2026TECHNICAL SERVICE BULLETIN: HORN ASSEMBLY INSPECTION/REPLACEMENT (WTY048) - This bulletin provides information associated with the Warranty Extension Program (WTY048) to inspect and, if necessary, replace both the…
WTY048_TSB · Service Bulletin/Repair Instructions · issued Aug 20, 2026WARRANTY EXTENSION CAMPAIGN: QUESTION AND ANSWER (WTY048) - This document is the Question and Answer Guide containing the most frequently asked questions regarding the Warranty Extension Campaign WTY048.
WTY048_QA · Warranty Program/Extension · issued Aug 20, 2026WARRANTY EXTENSION CAMPAIGN: DEALER PARTS AND SERVICE MANAGER MEMO (WTY048) - This document is the announcement to the dealer Parts and Service managers advising that Kia is extending the New Vehicle Limited Warranty…
WTY048_DPSM · Warranty Program/Extension · issued Aug 20, 2026
Electrical System problems in other Carnival years
| Year | Reports | Share |
|---|---|---|
| 2026 Carnival | 7 | 27% |
| 2025 Carnival | 82 | 66% |
| 2023 Carnival | 6 | 12% |
| 2022 Carnival | 22 | 16% |
Other reported problem areas on the 2024 Kia Carnival
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.