GROUP

NUMBER

CAMPAIGN

26-01-019G

DATE

Technical Service Bulletin
SUBJECT:

MODEL(S)

FEBRUARY 2026

GV80 COUPE (JX1)

INTEGRATED ELECTRIC BOOSTER (IEB) OBD II FAULT DETECTION
SIGNALS SOFTWARE UPDATE (SERVICE CAMPAIGN 917G)

 IMPORTANT
Retailers must perform this service campaign on all affected vehicles prior to retail delivery to a
guest 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 GV80 Coupe (JX1) vehicles may have Integrated Electronic Booster (IEB)
modules with incorrectly configured On Board Diagnostic II (OBD II) fault detection signals. This bulletin
provides instructions to update the IEB to correct the configuration.

Applicable Vehicles:
Model Year

Model

Engine

Production Date

2025-2026

GV80 Coupe (JX1)

3.5 Turbo Electronic-Supercharger

06/03/2024 – 08/27/2025

SST Information:
Tool Name

Tool Number

VCI 3

G0VPNNN006

Figure

Ordering Information

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

VCI 2

G1XDDMN002

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

NOTE: VCI 2 can NO longer be ordered.

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

INTEGRATED ELECTRIC BOOSTER (IEB) OBD II FAULT DETECTION SIGNALS
SOFTWARE UPDATE (SERVICE CAMPAIGN 917G)

SUBJECT:

Parts Information:
Model

Part Name

Emissions
Label
GV80
Coupe
(JX1)

Vehicle Emission
Recall - Proof of
Correction
Card

Part Number

Figure

Remarks

NP001-GENEM

Apply to all
vehicles
regardless of
state.

NP050-09006

Order only for
states:
CA, CO, CT,
DE, ME, MD,
MA, NJ, NY,
OR, PA, RI,
VT, WA

GDS Information:
System

Event Number*

Description

ABSESC

1320

JX1 3.5 e-S/C IEB SW UPDATE

(*or use a later available event as listed in the GDS ABSESC 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:
Model

Op. Code

Operation

Op.
Time

Causal Part

Nature
Code

Cause
Code

GV80 Coupe
0.6
50D276R0
IEB Software Update
58500-T6310
I14
ZZ3
(JX1)
M/H
NOTE 1: Submit claim on Claim Entry Screen as “Campaign” type.
NOTE 2: 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 3: This TSB includes repair validation photos. Op times include VIN, mileage, and photo
capture of the ECU Update “Success” screen as outlined in the Digital Documentation Policy.

TSB #: 26-01-019G

Page 2 of 8

INTEGRATED ELECTRIC BOOSTER (IEB) OBD II FAULT DETECTION SIGNALS
SOFTWARE UPDATE (SERVICE CAMPAIGN 917G)

SUBJECT:

ROM ID Information:
Model

Event

GV80
Coupe
(JX1)

System

ECU
Part Number

58500-T6310
1320

ABSESC
58500-T6320

ROM ID
Current

1.00
1.01
1.02
1.03
1.04
1.00
1.01
1.02

Latest

1.05

1.03

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 OR place in Ready mode during the update.

•

Do NOT turn OFF the ignition switch during the update.

TSB #: 26-01-019G

Page 3 of 8

INTEGRATED ELECTRIC BOOSTER (IEB) OBD II FAULT DETECTION SIGNALS
SOFTWARE UPDATE (SERVICE CAMPAIGN 917G)

SUBJECT:

ECU Update Procedure

1.

Perform the ECU update in Auto Mode.

i

Information

Refer to TSB # 25-GI-020G, “ECU
Update Procedure for Tablet-Based
Genesis Smart”, for additional
information.

2.

Verify the ROM ID by selecting the ABSESC
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.
3.

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 #: 26-01-019G

Page 4 of 8

INTEGRATED ELECTRIC BOOSTER (IEB) OBD II FAULT DETECTION SIGNALS
SOFTWARE UPDATE (SERVICE CAMPAIGN 917G)

SUBJECT:

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

5.

DIGITAL
DOCUMENTATION

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

TSB #: 26-01-019G

Page 5 of 8

INTEGRATED ELECTRIC BOOSTER (IEB) OBD II FAULT DETECTION SIGNALS
SOFTWARE UPDATE (SERVICE CAMPAIGN 917G)

SUBJECT:

6.

Remove the power connector from the
in-cabin fuse box for at least 5 seconds, then
reconnect it.

i

Information

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

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.

Proceed to Emissions Label Application
(for All Vehicles) on page 7.

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

1320

TSB #: 26-01-019G

Menu

Password

JX1_IEB_1_58500T6310

5173

JX1_IEB_1_58500T6320

5842

Page 6 of 8

INTEGRATED ELECTRIC BOOSTER (IEB) OBD II FAULT DETECTION SIGNALS
SOFTWARE UPDATE (SERVICE CAMPAIGN 917G)

SUBJECT:
Emissions Label

1.

Application (for All Vehicles)

Fill in the Dealer Code and Date on the
emissions label, and apply adjacent to the
existing 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 the STUI camera function, take a
photo of the emissions label attached to
the vehicle.
Upload the photo to STUI.
NOTE: If the STUI camera function is
NOT used, write the last 6 digits of the
VIN and date of repair on a piece of
paper to include in the photo.

3.

Proceed to the 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 #: 26-01-019G

Page 7 of 8

INTEGRATED ELECTRIC BOOSTER (IEB) OBD II FAULT DETECTION SIGNALS
SOFTWARE UPDATE (SERVICE CAMPAIGN 917G)

SUBJECT:

Vehicle Emission Recall

– Proof of Correction Card (for Vehicles Registered in Certain States)

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
Enter Campaign Number: 917G

1

2

7. Enter Dealership Name
8. Enter Dealership’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 #: 26-01-019G

10

Page 8 of 8