2021-2025 Hyundai Elantra Inoperable Horn Warranty Extension
Hyundai has issued Warranty Extension Z03 for certain 2021-2025 Elantra, Elantra (CN7A), and Elantra Hybrid models experiencing an inoperable horn, extending coverage to 10 years or 120,000 miles.

Also applies to
- Hyundai Elantra
- 2021, 2022, 2024, 2025
Hyundai has announced a warranty extension for certain 2021-2025 Hyundai Elantra vehicles that may experience an inoperable horn. This extension, identified as Warranty Extension Z03, aims to address the issue by providing coverage for the horn assembly replacement.
Symptoms
The primary symptom owners may notice is an inoperable horn. This means the horn will not sound when activated, which can be a significant safety concern, especially in emergency situations.
Important Warnings for Owners
Owners should be aware of specific details regarding this warranty extension and the repair process:
- Claim Submission: If your vehicle's horn is repaired under this extended warranty, the dealership will submit it as a campaign claim type, not a standard warranty claim. This ensures proper processing under the special extension terms.
- Part Ordering: All required horn assembly part numbers (96611AA700QQH, 96621AA700QQH, 96611AA900QQH, 96621AA900QQH) for this repair require a valid Warranty Extension VIN for ordering. This ensures the correct parts are allocated for eligible vehicles.
- Owner Notification: Hyundai plans to notify affected customers via First Class Mail in April 2025. However, if you experience an inoperable horn before receiving a letter, you can still contact your dealer.
Repair Procedure Summary
If your 2021-2025 Hyundai Elantra is affected by an inoperable horn, the repair involves replacing the horn assembly. Technicians are instructed to follow the detailed service procedure outlined in Technical Service Bulletin (TSB) 25-BE-005H or its latest version. This ensures the repair is performed correctly and to Hyundai's specifications. The repair should be carried out by a Hyundai Certified technician or one with a higher qualification.
Required Parts
The horn assembly replacement will utilize specific part numbers. Depending on the vehicle's configuration, the required parts include:
- A set of P/N 96611AA700QQH (Low Pitch) and P/N 96621AA700QQH (High Pitch).
- Alternatively, a set of P/N 96611AA900QQH (Low Pitch) and P/N 96621AA900QQH (High Pitch).
These parts are covered under the extended warranty when the repair is performed.
Owner Action
If you own a 2021-2025 Hyundai Elantra and experience an inoperable horn, you should contact your authorized Hyundai dealer to schedule an inspection and repair. The horn assembly replacement will be performed at no cost to you, provided your vehicle falls within the extended warranty period of 10 years or 120,000 miles from the original retail delivery date or date of first use. This extended coverage applies to both original and subsequent owners.
If your vehicle needs to be kept overnight for the repair, or if the repair duration is extended due to additional work, Hyundai recommends that dealers provide alternative transportation options. This could include a Service Rental Vehicle (SRC), a 3rd Party Rental, or a Rideshare service, ensuring minimal inconvenience while your Hyundai Elantra inoperable horn issue is resolved.
Frequently Asked Questions
- What is the issue with the 2021-2025 Hyundai Elantra horn?
- Certain 2021-2025 Hyundai Elantra (CN7), Elantra (CN7A), and Elantra Hybrid (CN7 HEV) vehicles may experience an inoperable horn, which means the horn will not function when activated.
- How long is the warranty extension for the Hyundai Elantra inoperable horn?
- Hyundai is extending the warranty coverage for the horn replacement to 10 years or 120,000 miles from the date of original retail delivery or first use, whichever comes first. This applies to both original and subsequent owners.
- What parts are replaced to fix the inoperable horn on a Hyundai Elantra?
- The repair involves replacing the horn assembly. The specific part numbers are a set of P/N 96611AA700QQH (Low Pitch) and 96621AA700QQH (High Pitch), or P/N 96611AA900QQH (Low Pitch) and 96621AA900QQH (High Pitch).
- Will I be charged for the horn replacement on my Hyundai Elantra?
- No, if your vehicle is eligible under Warranty Extension Z03 and the inoperable horn condition is confirmed, the replacement of the horn assembly will be performed at no cost to you.
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