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NHTSA ID Number: 10238353

Manufacturer Communication Number: 23-01-014H-5

TSB/Document Date: 2023-06-30


Summary

Certain HyundaieBay logo vehicles may not be equipped with an immobilizer. This bulletin provides the service procedure to update the IBU/BCM (Integrated Body Control Unit/Body Control Module), to revise the OEM HyundaieBay logo burglar alarm system operation and ignition start logic, and installation of two anti-theft decals for the front windows.


15-16

Elantra (AD/ADa)

17

Elantra (CN7/CN7a)

18

Elantra GT (GD)

19

Elantra GT (PD)

20

Venue (QX)

21

Veloster (FS)(JS)

22

Kona (OS)

23-24

Accent (HC)

25

Santa Fe Sport (AN)
Santa Fe (NC)

28

Santa Fe (TMa)

29-30

Palisade (LX2)

31

Tucson (LM)

32

Tucson (TL)

33

Tucson (NX4/NX4a)

34

GenesiseBay logo Coupe (BK)

35-36

Anti-Theft Decals Installation Template
FLOW CHART

Vehicle
IN

Inspect If Vehicle
is Equipped With
Start/Stop Button
or Immobilizer
Lamp

TSB #: 23-01-014H-5

26-27

37
If NO, Proceed
With Software
Update & Decals
installation

Submit OP Code for
Inspection & s/w Update
+ Decal Installation

If YES, Take
Photo Using STUI

Submit OP Code
for Inspection Only
Page 5 of 37

IBU/BCM SOFTWARE UPDATE AND DECALS APPLICATION
(SERVICE CAMPAIGN 993)

SUBJECT:

Service Procedure:
INSPECTION ONLY – VEHICLE HAS START STOP BUTTON OR IMMOBILIZER LAMP
1A. Visually confirm if the vehicle is equipped with a
START/STOP button.

STUI
Using STUI, take a picture of the
START/STOP button with a piece of
paper including the last 6 digits of the
VIN and date of the repair. Upload the
photos to STUI.

If vehicle is not equipped with START/STOP
button then proceed to 1B to inspect for the
immobilizer lamp on the instrument cluster.
1B. If vehicle is equipped with a mechanical key type
ignition, then turn ignition to ON position.
Visually confirm if there is an immobilizer lamp
displayed on the instrument cluster.

STUI
Using STUI, take a picture of the
immobilizer lamp on the instrument
cluster with a piece of paper including
the last 6 digits of the VIN and date of
the repair. Upload the photos to STUI.

2. If vehicle is NOT equipped with the
START/STOP button or the immobilizer lamp,
then proceed to perform the software update.
Otherwise, procedure is complete. Submit
“INSPECTION ONLY” campaign claim.

TSB #: 23-01-014H-5

Page 6 of 37

SUBJECT:

BCM/IBU SOFTWARE UPDATE AND DECALS APPLICATION
(SERVICE CAMPAIGN 993)
IBU/BCM SOFTWARE UPDATE NOTES

i Information

Refer to the link below for guided video information:
https://vimeo.com/796843448/49ace103a8

i Information

Before proceeding, ensure the vehicle is not equipped with a START/STOP push button.
Also, ensure the vehicle is not equipped with an immobilizer lamp on the instrument
cluster when ignition is turned ON.

i Information
Check if the vehicle's current software version will need to be updated:
• Check the current version of the IBU/BCM ROM ID and compare it to the ROM ID information
table listed below before attempting to perform the software update.
• Take a picture or write down the current ROM ID in case manual update is required. The current
ROM ID will determine which PASSCODE to use for MANUAL UPDATE.

i Information
You must initially perform the GDS IBU/BCM Update in Auto Mode.
• Refer to the TSB 15-GI-001 for the tablet-based Mobile GDS ECU update procedures.
• If the IBU/BCM update starts but then fails in Auto Mode, perform the update in Manual Mode to
recover.
• If Auto Mode update is not available due to unidentified ROM ID, then DO NOT perform the
update using Manual Mode, call Techline for further instructions.

i Information


Troubleshooting Tips
If there are issues with the software update or certain features not operating normally on
the vehicle after the update, then perform capacitive discharge and try again.
When selecting the MANUAL PASSCODE, pay close attention to the part number and
software version in the table. The selected passcode and event should match with what
was originally in the vehicle.
If the software is updating and fails(not relating to GDS disconnection or battery died) at
any percentage, then try the following:
o Select OK when the error message pops up, and DO NOT SELECT ANYTHING ELSE,
LEAVE EVERYTING AS IS.
o Turn the ignition OFF for 15 seconds and then turn it back ON.
o Proceed with MANUAL update procedure following the GDS screen instructions.

TSB #: 23-01-014H-5

Page 7 of 37

SUBJECT:

IBU/BCM SOFTWARE UPDATE AND DECALS APPLICATION
(SERVICE CAMPAIGN 993)
IBU/BCM SOFTWARE UPDATE

i Information

Perform the anti-theft decals installation while the BCM software is being updated.

1. Select IBU/BCM as the system to update.

2. Select ID Check.
Check the current version of the IBU/BCM ROM
ID and compare it to the ROM ID information
table listed below before attempting to perform
the software update.

i Information
Take a picture/write down the current ROM
ID in case manual update is required.
2. Perform GDS software update. Refer to TSB 15GI-001 for the tablet-based Mobile GDS ECU
update procedures.
3. While the software is updating, perform the antitheft decals installation as outlined on page 7.
4. Ensure the software update was successful with
the latest ROM ID.

5. After the software has updated, check for
Diagnostic Trouble Codes in the ALL menus and
erase any DTC.
6. Software update complete.
TSB #: 23-01-014H-5

Page 8 of 37

SUBJECT:

BCM/IBU SOFTWARE UPDATE AND DECALS APPLICATION
(SERVICE CAMPAIGN 993)
ANTI-THEFT DECALS INSTALLATION

i Information
Perform the anti-theft decals installation while the BCM software is being updated.
1. Print the last page of this TSB, as it is the
template to assist with the decals installation.
2. Fold the template from the bottom upward to the
solid line.

3. Cut out the two rectangles.

4. Roll both the front driver and passenger windows
to the upmost position.

TSB #: 23-01-014H-5

Page 9 of 37

SUBJECT:

IBU/BCM SOFTWARE UPDATE AND DECALS APPLICATION
(SERVICE CAMPAIGN 993)

5. Use rubbing alcohol and a new rag to clean the
inside lower left corner of the front driver side
window, and lower right corner of the front
passenger side window.

NOTICE
The anti-theft decals can be installed
over a tinted window film.

6. Align the template edge approximately ¼” next to
the existing label’s/decal’s edge.
Use masking tape to tape down the template
onto the glass and door panel.

¼”

TSB #: 23-01-014H-5

Page 10 of 37

SUBJECT:

BCM/IBU SOFTWARE UPDATE AND DECALS APPLICATION
(SERVICE CAMPAIGN 993)

7. Tear/Cut two anti-theft decals from the roll.

8. Without touching the bottom (glue side) of the
decal, carefully pull back the paper side halfway
and align it within the cut-out rectangle template.
Use thumb to firmly press the decal down onto
the window glass.

NOTICE
Avoid touching the bottom (glue side) of
the decal as the fingerprint will reduce
the adhesive strength to the window
glass.

9. Remove the template.
Continue pressing down in the decal, ensuring
there are no visible bubbles within the decal.
10. Repeat the steps 5-9 for the other window.

TSB #: 23-01-014H-5

Page 11 of 37

IBU/BCM SOFTWARE UPDATE AND DECALS APPLICATION
(SERVICE CAMPAIGN 993)

SUBJECT:

11.

Driver Front Window

STUI
Using STUI, take pictures of both the
driver and passenger anti-theft decals
on the front windows with a piece of
paper including the last 6 digits of the
VIN and date of the repair. Upload the
photos to STUI.

NOTICE
If the window is tinted with a non-legal
shade, inform the customer of the
possible poor visibility of the anti-theft
decals.

Passenger Front Window

NOTICE
The anti-theft decal template can be
reused for all models.

NOTICE
Once the upgrade procedure has been
completed, the key fob buttons to lock
and unlock the vehicle are required to
activate/deactivate the anti-theft system.
After using the key fob to activate the
anti-theft system, the key fob must be
used to first disarm the system prior to
attempting to start the vehicle.

TSB #: 23-01-014H-5

Page 12 of 37

BCM/IBU SOFTWARE UPDATE AND DECALS APPLICATION
(SERVICE CAMPAIGN 993)

SUBJECT:

SONATA (YFa)
EVENT INFORMATION
EVENT DESCRIPTION
980. YFA IMMOBILIZER (BCM) LOGIC IMPROVEMENT

MODEL
Sonata (YFa)

MANUAL MODE PASSCODE INFORMATION TABLE:
MENU
YFa BCM 95400-3Q000/100/001/101(A.6, A.8)
Sonata (YFa) YFa BCM 95400-3Q003/103(B.3, B.7), 95400-3Q004/104(C.0, C.2)
YFa BCM 95400-3Q005/025/105/125(C.7, D.2, D.3)

PASSCODE
9431
9432
9433

ROM ID INFORMATION TABLE:
MODEL

MODEL YEAR

BCM/IBU P/N

95400-3Q000
95400-3Q100
95400-3Q001
95400-3Q101

Sonata
(YFa)

2011 - 2014

95400-3Q003
95400-3Q103
95400-3Q004
95400-3Q104

95400-3Q005
95400-3Q025
95400-3Q105
95400-3Q125

TSB #: 23-01-014H-5

ROM ID
OLD
954003Q000_0A2
954003Q000_0A3
954003Q000_0A6
954003Q000_0A8
954003Q001_0A8
954003Q100_0A2
954003Q100_0A3
954003Q100_0A6
954003Q100_0A8
954003Q101_0A8
954003Q003_0B3
954003Q003_0B7
954003Q004_0B7
954003Q004_0C0
954003Q004_0C2
954003Q103_0B3
954003Q103_0B7
954003Q104_0B7
954003Q104_0C0
954003Q104_0C2
954003Q005_0C7
954003Q005_0D2
954003Q005_0D3
954003Q025_0C7
954003Q025_0D2
954003Q025_0D3
954003Q105_0C7
954003Q105_0D2
954003Q105_0D3
954003Q125_0C7
954003Q125_0D2
954003Q125_0D3

NEW

954003Q***_0DD

Page 13 of 37

IBU/BCM SOFTWARE UPDATE AND DECALS APPLICATION
(SERVICE CAMPAIGN 993)

SUBJECT:

SONATA (LFa)
EVENT INFORMATION
EVENT DESCRIPTION
932. LF(a) IMMOBILIZER (BCM) LOGIC IMPROVEMENT

MODEL
Sonata (LFa)

MANUAL MODE PASSCODE INFORMATION TABLE:
MENU
BCM 95400-C2100/200
Sonata (LFa) BCM 95400-C2101/201
BCM 95400-C2600/610/620/700

PASSCODE
5920
6921
7970

ROM ID INFORMATION TABLE:
MODEL

Sonata
(LFa)

MODEL YEAR

2015 - 2019

TSB #: 23-01-014H-5

BCM/IBU P/N

ROM ID
OLD

95400-C2100
95400-C2200

95400C2100_100* (*100 – 104)
95400C2200_100* (*100 – 104)

95400-C2101
95400-C2201

95400C2101_200
95400C2201_200

95400-C2600
95400-C2610
95400-C2620
95400-C2700

95400C2600_100* (*100 – 101)
95400C2610_100* (*100 – 101)
95400C2620_100* (*100 – 101)
95400C2700_100* (*100 – 101)

NEW

95400C2***_I00

Page 14 of 37

BCM/IBU SOFTWARE UPDATE AND DECALS APPLICATION
(SERVICE CAMPAIGN 993)

SUBJECT:

ELANTRA (UD/MD)

MODEL
Elantra
(UD “5NP”)
(MD “KMH”)

EVENT INFORMATION
EVENT DESCRIPTION
971. MD/UD IMMOBILIZER (BCM) LOGIC IMPROVEMENT

MANUAL MODE PASSCODE INFORMATION TABLE:

123456

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TSB/Document ID: 23-01-014H-5

Replacement Service Bulletin Number:

MFR Communication Date: 2023-06-08

MFR Internal Campaign ID/Software Version:

Communication Type: Service Bulletin/Repair Instructions

NHTSA Components: ELECTRICAL SYSTEM

MFR Component System:

MFR Component Subsystem:


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