6M1.M20

GV70
(JK1A)

TSB #: 25-01-051G

39121-2TKN3

2025

JKGWN5TMA3XXXM2A

JKGWN5TMA3XXXM5A

39121-2TKN2

2024

JKFWN5TMA3XXXM2A

6M1.M20

JKFWN5TMA3XXXM5A

6M1.M50

39121-2TKN3

2025

JKGWN5TMA3XXXM2A

6M1.M20

JKGWN5TMA3XXXM5A

6M1.M50

Page 3 of 9

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 #: 25-01-051G

Page 4 of 9

1.

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.

2.

Verify the ROM ID by selecting the ENGINE
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 or
disconnect the battery negative terminal
for at least 5 seconds. Reassemble and
retry the update.

TSB #: 25-01-051G

Page 5 of 9

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.

DIGITAL
DOCUMENTATION

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

5.

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

TSB #: 25-01-051G

Page 6 of 9

6.

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

A

7.

Start the engine to confirm proper operation of
the vehicle.

8.

Proceed to Campaign Sticker Application
(for All Vehicles) procedure on page 8.

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

1258

1259

1260

TSB #: 25-01-051G

RG3 THETA3 2.5 ECU 39121-2TRN0

0301

RG3 THETA3 2.5 ECU 39121-2TRN5

8821

RG3 THETA3 2.5 ECU 39121-2TRN6

2532

RG3 THETA3 2.5 ECU 39121-2TRN7

3469

JX THETA3 2.5 ECU 39121-2TJN0

3497

JX THETA3 2.5 ECU 39121-2TJN5

9584

JX THETA3 2.5 ECU 39121-2TJN6

2087

JX THETA3 2.5 ECU 39121-2TJN7

5644

JX THETA3 2.5 ECU 39121-2TJN8

5255

JK1(a) THETA3 2.5 ECU 39121-2TKN0

7954

JK1(a) THETA3 2.5 ECU 39121-2TKN1

2345

JK1(a) THETA3 2.5 ECU 39121-2TKN2

4827

JK1(a) THETA3 2.5 ECU 39121-2TKN3

0393
Page 7 of 9

1.

Fill in the Dealer Code and Date on the
Campaign Sticker, and apply adjacent to the
existing Emission Label, on the underside of
the hood, as shown.
Be sure to clean the mounting surface to
ensure proper label adhesion.

2.

DIGITAL
DOCUMENTATION

Using STUI, take a clear photo of the
campaign sticker along with the last 6
digits of the VIN and the date of repair
on a piece of paper.
Upload the photo to STUI.

3.

Proceed to next section and complete the
Vehicle Emission Recall - Proof of
Correction Card for the states listed.
If not applicable to your state, the repair
process is complete.

TSB #: 25-01-051G

Page 8 of 9

For vehicles registered in California, Colorado, Connecticut, Delaware, Maine, Maryland,
Massachusetts, New Jersey, New York, Oregon, Pennsylvania, Rhode Island, Vermont, and
Washington:
VEHICLE EMISSION RECALL - PROOF OF CORRECTION CARD
A Vehicle Emission Recall - Proof of Correction card must be filled out for all vehicles registered in
California, Colorado, Connecticut, Delaware, Maine, Maryland, Massachusetts, New Jersey, New
York, Oregon, Pennsylvania, Rhode Island, Vermont, and Washington. Residents of these states,
who own an affected vehicle, will be required to possess a Vehicle Emission Recall - Proof of
Correction card as evidence of voluntary service campaign completion, when they apply for vehicle
registration renewal.
WHAT TO DO WITH THE CARD:
The Vehicle Emission Recall - Proof of Correction card must be completed by the Dealership’s
Service Manager using a permanent ink pen. A fine point pen is recommended. When filling in the
information, copy the information directly from the vehicle, not from the repair order.
ALL INFORMATION MUST BE PRINTED AND NEAT.
The copy of the card shown below indicates the areas to be filled in. Each area must be filled in.
The completely filled out Vehicle Emission Recall - Proof of Correction card should be given
to the owner of the vehicle upon completion of the Campaign.
1.
2.
3.
4.
5.
6.

Enter Vehicle’s License Number
Enter “Genesis”
Enter Model Year
Enter model name (e.g. GV70)
Enter the vehicle’s VIN Number
Enter Campaign Number 914G

1

2

7. Enter Retailer’s Name
8. Enter Retailer’s Address
NOTE: Enter the physical address, not the
mailing address (not a P.O. Box)
9. Enter Date of Repair
10. Service Manager Sign Here

5

4

3

6

2

8

7

9

TSB #: 25-01-051G

10

Page 9 of 9