2024 Kia Carnival electrical system problems

16 owner complaints filed with NHTSA name the electrical system on the 2024 Kia Carnival — 24% of all complaints for this model year.

Electrical System complaints

24%

share of all complaints

—

median reported mileage

0 / 0

crash / fire reports

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.

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
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