GROUP
BODY ELECTRICAL

Technical Service Bulletin
SUBJECT:

DATE
FEBRUARY 2026

NUMBER
26-BE-004H
MODEL(S)
TUCSON (NX4A)

INOPERATIVE HORN ASSEMBLY REPLACEMENT
(WARRANTY EXTENSION Z11)

Description: Certain Tucson (NX4A) vehicles may have an inoperable horn that may be caused by
foreign substances causing internal parts to oxidize.
Hyundai is extending the warranty coverage for the horn replacement to 10 years/120,000 miles from
the date of original retail delivery or date of first use (whichever occurs first) and is valid for original and
subsequent owners.
This bulletin provides instructions on how to replace both inoperative horns.
Please note that any vehicles under 10 years/120,000 miles are covered by this TSB, even if vehicle is
within original warranty of 5 years/60,000 miles.

Applicable Vehicles (Certain):
Model Year

Model

Production Dates

2022

Tucson (NX4A)

02/23/2021 – 09/12/2022

VINs Start with
5NM

Circulate To: General Manager, Service Manager, Parts Manager, Warranty Manager, Service
Advisors, Technicians, Body Shop Manager, Fleet Repair

SUBJECT:

INOPERATIVE HORN ASSEMBLY REPLACEMENT (WARRANTY EXTENSION Z11)

Parts Information:
Model

Part Name

Part Number

Figure

Quantity

Horn Assy Low Pitch

96641-CW500QQH

1

Horn Assy High Pitch

96651-CW500QQH

1

Tucson (NX4A)

Warranty Information:
Model

Tucson (NX4A)

Op. Code

Operation

Op. Time

Causal Part

Nature
Code

Cause
Code

50DA17R0

Horn Assembly
Replacement
(both horns)

0.6 M/H

96611-N9000

I14

ZZ3

NOTE 1: If the affected parts are within the warranty period of 10 years or 120,000 miles, then submit
as a campaign claim type. Please note that any vehicles under 10 years/120,000 miles are covered
by this TSB, even if vehicle is within original warranty of 5 years/60,000 miles.
NOTE 2: This TSB includes repair justification photos. Op times include VIN, Mileage, and repair
justification photos as outlined in the Digital Documentation Policy.
NOTE 3: The incident parts are subject to callback through the normal Warranty Technical Center
(WTC) parts return process. Claim is subject to debit if the part is not returned.
NOTE 4: If any part(s) not subject to this TSB are found in need of replacement while performing the
repair procedure, and the affected part(s) are still under warranty, the retailer may submit a separate
claim using the same repair order. If the part(s) not subject to this TSB are out of warranty coverage,
the retailer has the option to submit a PA Request for goodwill consideration on a case-by-case basis.

TSB #: 26-BE-004H

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SUBJECT:

INOPERATIVE HORN ASSEMBLY REPLACEMENT (WARRANTY EXTENSION Z11)

Service Procedure:

DIGITAL DOCUMENTATION
This TSB includes repair justification photos. Refer to the latest Warranty Digital Documentation
Policy for requirements.

NOTICE
Applying the recommended torque to all fasteners is essential to reduce potential issues from
occurring after the service procedure.

1.

Turn OFF the ignition.

2.

Disconnect the negative (−) battery
terminal (A).

A

Tightening Torque:
lb-ft

6.5

lb-in

78

N.m

8.8
Tucson (NX4A)

TSB #: 26-BE-004H

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3.

INOPERATIVE HORN ASSEMBLY REPLACEMENT (WARRANTY EXTENSION Z11)

Remove the front bumper assembly (C) by
referring to the shop manual:
• Body (Interior and Exterior) > Front
Bumper > Front Bumper Assembly >
Repair procedures

NOTICE
Use a plastic trim removal tool to prevent
damage to parts.

C

To prevent clip breakage during bumper
removal, partially remove the fender
garnish by detaching the front 4 clips (D).
Protect the removed portion with painter’s
tape and a microfiber rag (E) to avoid
damage.

D

E

TSB #: 26-BE-004H

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4.

INOPERATIVE HORN ASSEMBLY REPLACEMENT (WARRANTY EXTENSION Z11)

DIGITAL
DOCUMENTATION

Using the STUI camera function, take a
photo of the original horn.
Upload the photo to STUI.

NOTE: If the STUI camera function is
NOT used, write the last 6 digits of the
VIN and date of repair on a piece of
paper to include in the photo.

5.

Refer to the shop manual to remove both
horns (F, G) by disconnecting the horn
connector and removing the mounting bolt:
• Body Electrical System > Horn >
Repair procedure

F

Tightening Torque:
lb-ft

7.25

lb-in

87

N.m

9.8

F

G

G

TSB #: 26-BE-004H

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SUBJECT:

INOPERATIVE HORN ASSEMBLY REPLACEMENT (WARRANTY EXTENSION Z11)

6.

Install the new high and low-pitch horns in the
reverse order of removal.

7.

Reinstall bumper and connect 12V battery in
the reverse order of the removal process.

8.

Test the horns to confirm proper operation.

9.

This service procedure is now complete.

TSB #: 26-BE-004H

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