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August 20, 2026 Service bulletin

Horn assembly inspection/replacement (WTY048)

Kia technical service bulletin WTY048_TSB for 2022-2024 Kia Carnival.

Bulletin number
WTY048_TSB (WTY048)
Component
Electrical system
Summary
TECHNICAL 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 high-pitch and low-pitch horn assemblies on certain 2022-2024MY Carnival (KA4) vehicles produced from January 4, 2021 through July 4, 2024. The affected vehicles may experience a distorted or inoperative horn sound caused by excessive moisture and dust exposure over time. The warranty coverage for repairs related to the horn assembly has been extended from 5 years / 60,000 miles to 10 years / 120,000 miles, whichever comes first, starting from the date the vehicle was first put into service.

Owners of these vehicles have filed 48 complaints in the electrical category.

Vehicles covered

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