GROUP

NUMBER

CAMPAIGN

Technical Service Bulletin
SUBJECT:

DATE

24-01-012H
MODEL(S)

FEBRUARY 2024

Tucson (LM)

UNDERBODY CORROSION PREVENTATIVE SERVICE
(SERVICE CAMPAIGN 9A3)

 IMPORTANT
Dealers must perform this service campaign on all affected vehicles prior to customer retail delivery
and whenever an affected vehicle is in the shop for any maintenance or repair.
Access the “Vehicle Information" screen via WebDCS to identify open Campaigns.
Description: In some areas, a vehicle’s underbody may exhibit corrosion due to road salt usage. As
a preventative measure, cavity wax coating is applied to the internal surfaces of underbody
components, and an undercoating spray is applied to the bottom exterior surfaces of specified
underbody components. This bulletin describes the procedure to perform this preventative service on
certain Tucson (LM) vehicles.

Applicable Vehicles (Certain):
• 2010-12MY Tucson (LM) FWD vehicles currently or ever registered in a Salt Belt State produced 10/20/2009
to 06/12/2012.
• 2013-15MY Tucson (LM) FWD & AWD vehicles currently or ever registered in a Salt Belt State produced
05/16/2012 to 05/15/2015.
Salt Belt Areas include:
Connecticut, Delaware, Illinois, Indiana, Iowa, Kentucky, Maine, Maryland, Massachusetts, Michigan, Minnesota,
Missouri, New Hampshire, New Jersey, New York, Ohio, Pennsylvania, Rhode Island, Vermont, Virginia, West
Virginia, Wisconsin, and the District of Columbia.
Please note all dealers must perform this service campaign if vehicle comes in with an open campaign, even if
vehicle is no longer located in the listed states above.

i

Information

Allow the vehicle to cool at least four hours before performing the procedures in this TSB. Parking
the vehicle at the stall overnight is highly recommended to avoid a need for a cool down period
and improve work efficiency.
Circulate To: General Manager, Service Manager, Parts Manager, Warranty Manager, Service
Advisors, Technicians, Body Shop Manager, Fleet Repair

SUBJECT: UNDERBODY CORROSION PREVENTATIVE SERVICE (SERVICE CAMPAIGN 9A3)

Table of Contents
Parts Information: .................................................................................................. 3
Recommended Tools and Equipment: .................................................................. 4
Warranty Information: ........................................................................................... 5
Service Procedures: .............................................................................................. 5
Wax Gun Preparation: ....................................................................................... 5
Remove Debris: ................................................................................................. 7
Vehicle Preparation: ........................................................................................ 16
Applying Cavity Wax:....................................................................................... 17
Applying Undercoating: ................................................................................... 22

 IMPORTANT
There are circumstances under which vehicles that are not currently registered or have never been
registered in a “salt belt” state may be eligible for this service campaign. These circumstances
include:
• Vehicles that were relocated into a “salt belt” area and/or
• Vehicles registered in a “non-salt belt” state and driven in a “salt belt” area
If it is determined that an owner of a vehicle within the affected VIN production date range
relocates or has operated their vehicle in a “salt belt” area, the dealer should perform this
procedure at no cost to the customer. The dealer must submit a Prior Approval request before
starting repairs.

TSB #: 24-01-012H

Page 2 of 27
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SUBJECT:UNDERBODY CORROSION PREVENTATIVE SERVICE (SERVICE CAMPAIGN 9A3)

Parts Information:

! DANGER
•
•
•

This procedure must be performed in a well-ventilated area.
Must wear safety goggles, face protection, and gloves. Rinse eyes with water or skin
with soap and water. Do not inhale spray. Seek medical attention if needed.
Flammable & pressurized. Do not spray near flames, sparks, or heated areas. Do not
pierce can.
Part Name
Cavity Wax

Image / Part Number

Remark
Use about half a can per vehicle.

00232-19034
Use about 1 can per vehicle.

Undercoat Spray

00232-19035
Set air pressure to 70 psi.
Wax Spray Gun
00232-19036

If wax output is slow, prime the
gun by blocking the nozzle with a
rag, and spraying the gun until the
flow of wax increases.
This is a newly developed nozzle
that has an improved wax
application spray pattern.

“Inside” Nozzle

The pink tubing is to signal the user
to stop spraying when pulling the
nozzle out.
09624-2H101-QQH
TSB #: 24-01-012H

This nozzle must be used for this
service procedure.
Page 3 of 27

SUBJECT:

SUBJECT: UNDERBODY CORROSION PREVENTATIVE SERVICE (SERVICE CAMPAIGN 9A3)

This nozzle is supplied with the wax
gun.

“Outside” Nozzle

Required Supplies:
Tool Name

Image

Remark

Air Nozzle

Safety Goggles

Face Mask

Gloves

Rubber/Plastic Mallet
Wire Brush
Bags large enough to cover the tires
and wheels.

Plastic bags

Tape
*Above are standard shop supply.

TSB #: 24-01-012H

Page 4 of 27
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SUBJECT:UNDERBODY CORROSION PREVENTATIVE SERVICE (SERVICE CAMPAIGN 9A3)

Warranty Information:
Model
Op Code

Description

Op Time

Causal Part

Nature

Cause

UNDER BODY RUST
INSPECTION AND
0.8 M/H 62405-2S600
A12
ZZ6
PREVENTIVE SERVICE
NOTE 1: Submit claim on Claim Entry Screen as “Campaign” type.
NOTE 2: Each labor operation will reimburse 1 can of undercoat spray and cavity wax.
NOTE 3: If a part that is not covered by this campaign is found in need of replacement while
performing the service campaign and the affected part is still under warranty, submit a separate claim
using the same repair order. If the affected part is out of warranty, submit a Prior Approval request for
goodwill consideration prior to the repair.
NOTE 4: This TSB includes Repair validation photos. Op times include VIN, Mileage and Repair
validation photos as outlined in the Digital Documentation Policy.
Tucson (LM)

30D062R0

Service Procedures:

STUI
This TSB includes Repair validation photos. Refer to the latest Warranty Digital Documentation
Policy for requirements.
Wax Gun Preparation:

! DANGER
•
•
•

1.

This procedure must be performed in a well-ventilated area.
Must wear safety goggles, face protection, and gloves. Rinse eyes with water or skin
with soap and water. Do not inhale spray. Seek medical attention if needed.
Flammable & pressurized. Do not spray near flames, sparks, or heated areas. Do not
pierce can.
Unscrew the nut to remove the compression
fitting from the nozzle assembly that
originally comes with the wax gun.

TSB #: 24-01-012H

Page 5 of 27
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SUBJECT: UNDERBODY CORROSION PREVENTATIVE SERVICE (SERVICE CAMPAIGN 9A3)

2.

Attach the compression fitting to the tubing
on the new nozzle assembly.

3.

Fill wax gun reservoir with cavity wax.
Prime the wax gun by spraying the wax into
a trash bag (or similar) until a light mist is
visibly coming out of the nozzle.

i

Information

Set air supply pressure to 70 psi.
Prime the wax spray gun to increase the flow
when the mist is no longer visible.
To optimize the priming process, cover the
nozzle with a rag and spray until the flow has
increased.

TSB #: 24-01-012H

Page 6 of 27
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SUBJECT:UNDERBODY CORROSION PREVENTATIVE SERVICE (SERVICE CAMPAIGN 9A3)

Remove Debris:

! WARNING
Must wear safety goggles and a face mask during this procedure to protect eyes and prevent
debris from being inhaled.
1.

Lift the vehicle on a hoist.
Apply a plastic vinyl sheet on the floor.
If equipped, remove plastic undercovers to
gain access to the front sub-frame, brake,
and fuel tubes.

2.

Lightly tap the vehicle underbody
components with a rubber or plastic mallet
to loosen and remove debris.

Front Underbody (FWD/AWD)
• Front sub-frame (A)
• Front lower control arms (B)
A

TSB #: 24-01-012H

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SUBJECT: UNDERBODY CORROSION PREVENTATIVE SERVICE (SERVICE CAMPAIGN 9A3)

B

Rear Underbody (FWD)
• Rear member (C)
• Rear lower arms (D)
• Rear upper arms (E)
• Assist arms (F)
• Trailing arms (G)

●

C

●
D

TSB #: 24-01-012H

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SUBJECT:UNDERBODY CORROSION PREVENTATIVE SERVICE (SERVICE CAMPAIGN 9A3)

●
E

●
F

●
G

TSB #: 24-01-012H

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SUBJECT: UNDERBODY CORROSION PREVENTATIVE SERVICE (SERVICE CAMPAIGN 9A3)

Rear Underbody (AWD)
• Rear member (H)
• Rear lower arms (I)
• Rear upper arms (J)
• Assist arms (K)
• Trailing arms (L)

●
H

●
I

●
J

TSB #: 24-01-012H

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SUBJECT:UNDERBODY CORROSION PREVENTATIVE SERVICE (SERVICE CAMPAIGN 9A3)

●
K

●
L