GROUP

NUMBER

CAMPAIGN

Technical Service Bulletin

DATE

25-01-030H
MODEL(S)

APRIL 2025

TUCSON (NX4A)

FPM SOFTWARE UPDATE – DTC B18CC00
(SERVICE CAMPAIGN TCZ)

SUBJECT:

 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: Certain 2025MY Tucson (NX4A) vehicles equipped with a fingerprint reader may
experience a “Check User Authentication” error message on the instrument cluster display. When the
message appears, it may prevent usage of the Fingerprint Module (FPM). The DTC captured for this
concern is “B18CC00 - IAU Teaching Error (w/FPM).” This bulletin provides instructions to perform a
software update for the Fingerprint Module (FPM).
Applicable Vehicles (Certain):
• 2025MY Tucson (NX4A) produced 06/20/2024 – 04/15/2025
SST Information
Tool Name

Tool Number

VCI 3

G0VHNNN06

19-Pin Cable

Figure

Remarks

Ordering Information

+

VCI 3 comes with
the 19-pin cable
(P/N G1XDDCA020
included here
for reference)

Website:
https://hyundaiessentialtools.com/

G1XDDCA020

Email:
[email protected]

VCI 2

Ethernet
Communication
Interface (ECI)
Kit

G1XDDMN001

+
G0XDDMN052

If using VCI 2, the
ECI Kit will be
required to
complete software
updates.

Phone: 1-855-763-9199
Hours: 7 AM – 7 PM CST

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

FPM SOFTWARE UPDATE – DTC B18CC00 (SERVICE CAMPAIGN TCZ)

SUBJECT:

GDS Information:
System

Event Number

Description

FPM

1245

NX4a FL FPM LOGIC IMPROVEMENT (B18CC00)

(*or use a later available event as listed in the GDS FPM Update screen if one is available.)
NOTE 1: The software update is subject to an OTA (Over-the-Air) option and may be completed by
customers with active Bluelink subscriptions.
Warranty Information:
Model

Op. Code

Operation

Op.
Time

Causal Part

Nature
Code

Cause
Code

Tucson
0.4
50DA10R0
FPM Software Update
955C0-N9000
W11
ZZ3
(NX4A)
M/H
NOTE 1: Submit claim on Claim Entry Screen as “Campaign” type.
NOTE 2: If a part is found in need of replacement while performing this 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 performing the
work.
NOTE 3: Op times include VIN, Mileage, and photo capture of the “ECU update complete” screen as
outlined in the Digital Documentation Policy.

ROM ID Information:
ROM ID

Model

Event

System

ECU
Part Number

Old

New

Tucson
(NX4A)

1245

FPM

955C0-N9000

1.50

1.60

TSB #: 25-01-030H

Page 2 of 8

SUBJECT:

FPM SOFTWARE UPDATE – DTC B18CC00 (SERVICE CAMPAIGN TCZ)

Service Procedure:

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

NOTICE
You must initially perform the GDS ECU update in Auto Mode.
• If the ECU update starts but then fails in Auto Mode, perform the update in Manual Mode
to recover.

NOTICE
Ensure the vehicle’s battery charge is above 11.0 Volts and the tablet’s battery charge is above
30% before performing a software update to avoid the update from failing.

i

Information

•

Turn OFF all lamps (do NOT leave head lamp switch in auto mode) and all accessories.

•

Perform update with the ignition switch in the ON position.

•

Do NOT disconnect any cables connected to the vehicle or scan tool during update.

•

Do NOT start the engine during update.

•

Do NOT turn OFF the ignition switch during update.

TSB #: 25-01-030H

Page 3 of 8

SUBJECT:

FPM SOFTWARE UPDATE – DTC B18CC00 (SERVICE CAMPAIGN TCZ)

Configuration of Ethernet Communication on Tablet PC

i

Information

Refer to TSB 23-GI-006H for detailed information on configuring Ethernet communication for
setup.
1.

Connect the Ethernet Communication
Interface (ECI) DLC cable to the OBD
connector of the vehicle.

2.

Connect the VCI DLC cable to the ECI.

3.

Select the appropriate tablet cable
(type C, 5-pin) to the ECI.

4.

Connect the cable to the tablet PC.

i

Information

The connection between the VCI 2 and tablet PC is wireless, whereas the tablet PC is connected
to the vehicle through the ECI (Ethernet adapter).
If using the VCI 3, the ECI is NOT needed. Connect the tablet directly to the VCI 3 using the
USB-C to 19-Pin Cable supplied in the VCI 3 Kit.

TSB #: 25-01-030H

Page 4 of 8

FPM SOFTWARE UPDATE – DTC B18CC00 (SERVICE CAMPAIGN TCZ)

SUBJECT:

ECU Update Procedure
1.

Perform the ECU update in Auto Mode.
After selecting Auto Mode, please check the
control unit’s ROM ID.

i

Information

Refer to TSB # 24-GI-012H, “ECU
Update Procedure for Tablet-Based
GDS-Smart”, for additional information.

2.

Select the FPM system to scan the vehicle’s
current ROM ID.

NOTICE
Check the current ROM ID version and
compare it to the ROM ID Information
table before attempting to perform the
software update.

NOTICE
If the update fails, please remove the
power connector from the in-cabin fuse
box or disconnect the negative (–) battery
terminal for at least 5 seconds and
reassemble it to retry the update.

TSB #: 25-01-030H

Page 5 of 8

FPM SOFTWARE UPDATE – DTC B18CC00 (SERVICE CAMPAIGN TCZ)

SUBJECT:

3.

After the ECU update process shows 100%
complete, follow the prompts on the screen to
cycle the ignition OFF for at least 10 seconds
to reset the control unit (certain models may
take up to 30 seconds).

i

Information

Use the Refresh button to reset the
timer.

4.

OTA initialization (A) should perform
automatically:
• If OTA initialization performs
automatically, then proceed with the
service procedure.

A

•

If the OTA initialization process fails,
complete it manually under:
S/W Management > CCU_CCNF Central Communication Unit (CCNF)
> OTA Initialization (B).
Follow the instructions on the screen.

B

TSB #: 25-01-030H

Page 6 of 8

FPM SOFTWARE UPDATE – DTC B18CC00 (SERVICE CAMPAIGN TCZ)

SUBJECT:

5.

DIGITAL
DOCUMENTATION

Take a screenshot of the ECU update
complete screen using your tablet and
upload to STUI.

6.

Perform an All Systems Fault Code search
and erase DTC history that had incidentally
occurred from the ECU update.

7.

Disconnect the power connector (C) of the
indoor fuse box, wait at least 5 seconds, then
reconnect it.

i

Information

C

Alternatively, disconnect the negative (–)
12V battery terminal, wait 5 seconds,
then reconnect it.

TSB #: 25-01-030H

Page 7 of 8

SUBJECT:

8.

FPM SOFTWARE UPDATE – DTC B18CC00 (SERVICE CAMPAIGN TCZ)

Start the engine to confirm proper operation of
the vehicle.

NOTICE
If the ECU update fails in Auto Mode, perform the update in Manual Mode using the password(s)
below.
Manual Mode Password:
Event

ECM Menu

Password

1245

NX4a FL FPM 955C0-N9000

3692

TSB #: 25-01-030H

Page 8 of 8