GROUP
HVAC

Technical Service Bulletin

DATE
JANUARY 2026

NUMBER
26-HA-001H
MODEL(S)
SEE BELOW

A/C VENT MODE CHANGE ISSUES/NOISES –
VENTILATOR LEVER INSPECTION & REPLACEMENT

SUBJECT:

This TSB supersedes 25-HA-001H to update the ventilator lever part number, add the cam mode
guide in the Parts Information Table, and to modify the Service Procedure to replace the cam
mode guide during the replacement of the ventilator lever.

 IMPORTANT
This field action requires justification in the form of a customer concern, and a confirmed case for
the related symptom outlined in the TSB, prior to any repair work. If justification requirements are
not met, any submitted claims are subject to debit. 5 / 60,000 New Vehicle Limited Warranty
applies. See Warranty Information section for more details.
Description: Some Elantra (CN7/CN7A), Elantra N (CN7 N) and Elantra Hybrid (CN7 HEV) vehicles
may experience the following conditions:
• Lack of airflow coming from the forward-facing center vents
• Mode actuator not changing airflow direction after various inputs
• Popping/snap noise when switching between different modes
If any of the conditions above exist, follow the repair procedure in this bulletin to replace the ventilator
lever and cam mode guide.

Applicable Vehicles:
Model Year

2023 – 2025

Model

Production Dates

Elantra (CN7)

04/25/2022 – 07/07/2025

Elantra N (CN7 N)

08/17/2022 – 07/07/2025

Elantra Hybrid (CN7 HEV)

04/25/2022 – 07/07/2025

Elantra (CN7A)

04/25/2022 – 06/02/2023

VIN Starts With
KMH
5NP

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

A/C VENT MODE CHANGE ISSUES/NOISES –
VENTILATOR LEVER INSPECTION & REPLACEMENT

SUBJECT:

Parts Information:
Model

Elantra
(CN7, CN7 N,
CN7 HEV,
CN7A)

Part Name

Part Number

Figure

Remarks

Ventilator Lever

97153-AA000QQH

Qty: 1

Cam Mode Guide

97212-AA000QQH

Qty: 1

Steering Wheel
Lock-Bolt

56115-B1000

Qty: 1

A-Pillar Clip

85815-C1100

Qty: 2

Trim Fastener

82315-2P000

Trim Clip – MTG

84747-3Y000

Replace
only if
broken or
damaged

NOTE: Dealers will be reimbursed via sublet as noted for any clips, regardless of replacement or not.
Required Equipment/Supplies:
Name

Figure

Plastic Panel/Trim
Removal Tools

Remarks

Standard shop equipment

NOTE: The above or a similar tool MUST be used for removing the front pillar trim.

TSB #: 26-HA-001H

Page 2 of 10
SUBJECT:

A/C VENT MODE CHANGE ISSUES/NOISES –
VENTILATOR LEVER INSPECTION & REPLACEMENT

SUBJECT:

Warranty Information:
Model

Op. Code

Operation

Op.
Time

Causal Part

Nature
Code

Cause
Code

Elantra
(CN7, CN7 N,
Ventilator Lever
50D226R0
2.8 M/H
97153-AA000
A32
ZZ4
CN7 HEV,
Replacement
CN7A)
NOTE 1: Submit claim on Claim Entry Screen as “Campaign” type.
NOTE 2: 5 / 60,000 New Vehicle Limited Warranty (NVLW) applies to the part(s) and repair
procedure(s) outlined in this TSB. Prior to beginning any repair work, ensure the part(s) associated
with the repair procedure are within NVLW, observing mileage and Warranty Start Date or date of first
use. If the subject part(s) are out of warranty coverage, the dealer has the option to submit a PA
Request for goodwill consideration on a case-by-case basis.
NOTE 3: 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 dealer 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 dealer has the option to submit a PA Request for goodwill consideration on a case-by-case basis.
NOTE 4: This TSB includes repair justification photos. Op times include VIN, Mileage, and repair
justification photos as outlined in the Digital Documentation Policy.
NOTE 5: 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 6: Op Code will reimburse $5.00 in sublet for any damaged fasteners during the service
procedure.

Service Procedure:

DIGITAL DOCUMENTATION
This TSB includes repair justification photos. Refer to the latest Warranty Digital Documentation
Policy for requirements.
! CAUTION
Wear gloves to prevent hand injuries when removing parts.

NOTICE
• Use a plastic trim removal tool to prevent damage to interior trim when removing components.
• Replace any damaged clips or pin-type retainers.

TSB #: 26-HA-001H

Page 3 of 10
SUBJECT:

SUBJECT:

A/C VENT MODE CHANGE ISSUES/NOISES –
VENTILATOR LEVER INSPECTION & REPLACEMENT

Service Procedure Flowchart
Vehicle In

Ventilator Lever Inspection
• Lack of airflow from forward-facing
center vents
• Mode actuator NOT changing airflow
direction after various inputs
• Pop/snap noise when switching
between different modes

No

Are any of
the above
conditions
present?

If vehicle has other
condition, this bulletin does
NOT apply.

Yes

Replace the Ventilator Lever
and Cam Mode Guide per
instructions in this TSB.

Repair vehicle per shop
manual instructions for the
specific condition.
Vehicle Out

TSB #: 26-HA-001H

Page 4 of 10
SUBJECT:

A/C VENT MODE CHANGE ISSUES/NOISES –
VENTILATOR LEVER INSPECTION & REPLACEMENT

SUBJECT:

Ventilator Lever Inspection
1.

Turn ON the A/C or heater.

2.

Set the airlow to floor mode (A) only.
A
A

3.

Change the mode actuator to the forwardfacing vent mode (B) and verify if airflow is
coming from the center vents.

Electronic (Automatic)

Knob Type (Manual)

B
A

B

B

• If there is airflow out of the center vents, but
other concerns are present, this TSB does
NOT apply. Follow normal diagnostic
procedures.
• If NO airflow is present from the forwardfacing center vents, or a popping/snap
noise is heard when switching modes,
replace the ventilator lever and cam mode
guide.
Proceed to Ventilator Lever and Cam
Mode Guide Replacement procedure.

TSB #: 26-HA-001H

Page 5 of 10
SUBJECT:

A/C VENT MODE CHANGE ISSUES/NOISES –
VENTILATOR LEVER INSPECTION & REPLACEMENT

SUBJECT:

Ventilator Lever and Cam Mode Guide Replacement
1.

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

A

Tightening Torque:

2.

lb-ft

6.5

lb-in

78

N.m

8.8

Remove the main crash pad assembly (B) by
referring to the shop manual:
B

• Body (Interior and Exterior) >
Crash Pad > Main Crash Pad Assembly >
Repair procedures
Main Crash Pad Assembly
Tightening Torque:
lb-ft

16

N.m

21

NOTICE

C

Follow all instructions and torque
specifications closely.

NOTICE
Use a plastic trim removal tool (C) to
prevent damage to internal trim and
components.

NOTICE
Ensure to replace the existing clips (D)
with new ones when removing or
replacing the front pillar trim
(P/N: 85815-C1100).

TSB #: 26-HA-001H

D

Page 6 of 10
SUBJECT:

SUBJECT:

3.

4.

A/C VENT MODE CHANGE ISSUES/NOISES –
VENTILATOR LEVER INSPECTION & REPLACEMENT

Press the lock pin and disconnect the
passenger’s airbag (PAB) connectors (E).

E

Remove the main crash pad assembly and
locate the mode actuator (F) on the driver’s
side.
F

5.

Remove the fasteners and remove the mode
door actuator (F) and cam mode guide (G).

F

G

TSB #: 26-HA-001H

Page 7 of 10
SUBJECT:

SUBJECT:

6.

A/C VENT MODE CHANGE ISSUES/NOISES –
VENTILATOR LEVER INSPECTION & REPLACEMENT

Remove the ventilator lever screw (H) and
remove the ventilator lever arm (I).
I
H

7.

8.

Remove the screw and washer (J) from the old
ventilator lever and place it onto the new part
and reinstall the new ventilator lever onto the
HVAC box.

J

DIGITAL
DOCUMENTATION

Using the STUI camera function, take a
photo of the original ventilator lever arm
and cam mode guide.
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.

TSB #: 26-HA-001H

Page 8 of 10
SUBJECT:

A/C VENT MODE CHANGE ISSUES/NOISES –
VENTILATOR LEVER INSPECTION & REPLACEMENT

SUBJECT:

9.

Before reinstalling the mode actuator and
replacing the cam mode guide, inspect the
position of the floor door lever (K).
•

FAIL

K

If the floor door lever is horizontal as
shown (FAIL), then correct the position
by pushing the lever downward as
shown in the second photo (PASS).

PASS

K

10.

Replace the cam mode guide with the newly
supplied part and re-install the actuator in the
reverse order of removal.

11.

Reinstall the main crash pad in the reverse
order of removal process.

NOTICE
• Make sure the crash pad fits onto the
guide pins correctly.
• Before tightening the bolts, make sure
the crash pad wire harnesses are NOT
pinched.
• Make sure the connectors are plugged
in properly, and the antenna lead is
connected properly.
• Make sure that each of the assembly
components operates properly.
• Replace any damaged clips or pin type retainers (crash pad side cover
clip P/N: 84747-3Y000)
TSB #: 26-HA-001H

Page 9 of 10
SUBJECT:

A/C VENT MODE CHANGE ISSUES/NOISES –
VENTILATOR LEVER INSPECTION & REPLACEMENT

SUBJECT:

12.

Reinstall all remaining components in the
reverse order of removal.

NOTICE
When reinstalling the steering wheel, be
sure to replace the steering wheel lock
bolt (L) with a new one
(P/N: 56115-B1000).

L

Refer to the shop manual:
•

Steering System > Steering Wheel >
Repair procedures

Tightening Torque:
lb-ft

36

N.m

49

13.

Verify proper operation of the heating and air
conditioning vents.

14.

The service procedure is now complete.

TSB #: 26-HA-001H

Page 10 of 10
SUBJECT: