CAMPAIGN

25-01-080G

NOVEMBER 2025

GV70 (JK1)

DCU SOFTWARE UPDATE
(LIMITED COVERAGE CAMPAIGN L02G)
 IMPORTANT
Retailers must perform this field action on all affected vehicles within 5 year / 60,000 mile New
Vehicle Limited Warranty (NVLW) prior to retail delivery to a guest and whenever an affected
vehicle is in the shop for any maintenance or repair. See Warranty Information section for more
details.
Access the “Vehicle Information” screen via WebDCS to verify “Warranty Start Date” and ensure the
vehicle is within NVLW, observing mileage prior to any repair work.
Description: Certain GV70 (JK1) vehicles may exhibit a Data Communication Unit (DCU) software
error due to the internal timer initialization logic not being implemented. The DCU module may shut
down telematics services after one year. This bulletin provides instructions to perform a software update
for the DCU module.
Applicable Vehicles:
2026

GV70 (JK1)

02/18/2025 – 09/10/2025

SST Information:

VCI 3

G0VPNNN006

+
19-Pin Cable

G1XDDCA020

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

Website:
https://genesisessentialtools.com/
Email:
[email protected]

VCI 2
Ethernet
Communication
Interface (ECI)
Kit

G1XDDMN002

+
G0XDDMN052

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

Phone: 1-855-763-6630
Hours: 7 AM – 7 PM CST

NOTE: VCI 2 can NO longer be ordered but can be used for the updates in this TSB.
Circulate To: General Manager, Service Manager, Parts Manager, Warranty Manager, Service
Advisors, Technicians, Body Shop Manager, Fleet Repair

GDS Information:

GV70 (JK1)

DCU

1312

JK1 PE DCU LOGIC IMPROVEMENT (NA)

(*or use a later available event as listed in the GDS DCU Update screen if one is available.)
NOTE: The software update is subject to an OTA (Over-the-Air) option and may be completed by
guests with active Genesis Connected Services subscriptions.

Warranty Information:

GV70 (JK1)

50D280R0

DCU Software Update 0.4 M/H

96510-ARNA0

M73

ZZ3

NOTE 1: Submit claim on Claim Entry Screen as “Campaign” type.
NOTE 2: 5 year / 60,000 mile 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 retailer 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 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.
NOTE 4: This TSB includes repair validation photos. Op times include VIN, mileage, and photo
capture of the ECU Update “Success” result screen as outlined in the Digital Documentation Policy.

ROM ID Information:

120.CA.011606.011606
GV70 (JK1)

1312

DCU

96510-ARNA0

120.CA.011870.011870

120.NA.012054.01205

120.CA.011951.011951

TSB #: 25-01-080G

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Service Procedure:

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

NOTICE
Perform the GDS ECU update in Auto Mode.
•

If the ECU update 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 failure.

i

Information

•

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

•

Perform update with the ignition switch in the ON position.

•

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

•

Do NOT start the engine during the update.

•

Do NOT turn OFF the ignition switch during the update.

TSB #: 25-01-080G

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i

Information

Refer to TSB 23-GI-005G 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

VCI 2: Connect the GDS tablet (wired) or PC (wireless) using the ECI kit.
VCI 3: Connect the GDS tablet to the vehicle using the 19-pin cable.

i
•

Information
If using VCI 2, please wait for the Wi-Fi Direct timer to complete to ensure the Wi-Fi Direct
connection is established. Do NOT select Bluetooth Only.

TSB #: 25-01-080G

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1.

Enter the following digits exactly as shown for
IP address, DNS address, Netmask and
Default gateway.
Save and close.

i

Information

Ensure the following IP settings on your
tablet matches the below before
proceeding with the software update.

2.

Perform the ECU update in Auto Mode.

i

Information

Refer to TSB # 24-GI-016G, “ECU
Update Procedure for Tablet-Based
Genesis Smart”, for additional
information.

TSB #: 25-01-080G

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3.

Verify the ROM ID by selecting the DCU
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, remove the power
connector from the in-cabin fuse box for
at least 5 seconds. Reassemble and
retry the update.

i

Information

The screenshots within this service
procedure refers to a GV70 Internal
Engine Combustion (ICE) vehicle from
Hyundai Motor Manufacturing Alabama
factory, but is also applicable to the GV70
ICE vehicle from Hyundai Motor
Company.

4.

Once the ECU update is 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.

TSB #: 25-01-080G

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5.

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

6.

DIGITAL
DOCUMENTATION

Using the tablet or GDS screen capture
function, take a screenshot of the ECU
Update “Success” result screen.
Upload the photo to STUI.
NOTE: The VIN/Date/Time/Mileage photo
imprint is NOT required for GDS
screenshots.

TSB #: 25-01-080G

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7.

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

8.

Start the engine to confirm proper operation of
the vehicle.

9.

The service procedure is now complete.

NOTICE
If the ECU update fails in Auto Mode, perform the update in Manual Mode using the password(s)
below.
Manual Mode Password:
1312

TSB #: 25-01-080G

JK1 PE DCU 96510-ARNA0

2123

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