NHTSA ID Number: 11027054
Manufacturer Communication Number: 25-BE-023G TSB
TSB/Document Date: 2026-01-06
Summary
Certain GV70 (JK1/JK1A) and GV70 Electrified (JK1A EV) vehicles may exhibit a condition where the power tailgate becomes inoperative. This bulletin provides instructions to perform two software updates for the Power Tailgate (PTG) module to resolve this condition.
GROUP
NUMBER
BODY ELECTRICAL
DATE
Technical Service Bulletin
25-BE-023G
MODEL(S)
DECEMBER 2025
SEE BELOW
POWER TAILGATE NOT OPENING
SUBJECT:
Description: Certain GV70 (JK1/JK1A) and GV70 Electrified (JK1A EV) vehicles may exhibit a
condition where the power tailgate becomes inoperative. This bulletin provides instructions to perform
two software updates for the Power Tailgate (PTG) module to resolve this condition.
Applicable Vehicles:
Model Year
Model
Production Dates
2022 – 2023
GV70 (JK1)
03/10/2021 – 04/26/2024
2023 – 2024
GV70 (JK1A)
05/10/2023 – 06/24/2024
2023 – 2025
GV70 Electrified (JK1A EV)
01/25/2023 – 06/24/2024
NOTICE
To avoid any potential damage to Genesis
EVs, Genesis EV repairs can only be performed by EV
certified Genesis retailers.
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 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
SUBJECT:
POWER TAILGATE
NOT OPENING
GDS Information:
Model
System
Event Number*
Description
GV70
JK(a)/JK(a) EV POWER TAILGATE CONTROL LOGIC
1127
(JK1/JK1A)
IMPROVEMENT (PTGM) (Unit1)
&
PTG
JK(a)/JK(a) EV POWER TAILGATE CONTROL LOGIC
GV70 Electrified
1128
IMPROVEMENT (PTGM) (Unit2)
(JK1A EV)
(*or use a later available event as listed in the GDS PTGM Update screen if one is available.)
Warranty Information:
Model
Op. Code
Operation
Op.
Time
Nature
Code
Causal Part
Cause
Code
GV70
(JK1/JK1A)
PTG Module
&
81870F07
0.4 M/H
81870-AR101
I14
ZZ3
Software Update
GV70 Electrified
(JK1A EV)
NOTE 1: Normal warranty applies.
NOTE 2: Submit claim on Claim Entry Screen as “Warranty” type.
NOTE 3: This TSB includes repair validation photo(s). Op times include VIN, mileage, and photo
capture of the ECU Update “Success” result screen as outlined in the Digital Documentation Policy.
NOTE 4: 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 dealer 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 dealer has the option to submit a PA Request for goodwill consideration on a case-by-case basis.
ROM ID Information:
Model
GV70
(JK1/JK1A)
&
GV70 Electrified
(JK1A EV)
TSB #: 25-BE-023G
Event
System
ECU
Part Number
1127
PTG
1128
ROM ID
Current
Latest
(Unit1) 0A51 (1.03)
0A53 (1.04)
0A54 (1.05)
0A66 (1.06)
(Unit1) 0A66 (1.08)
81870-AR101
(Unit2) A515 (1.03)
A536 (1.04)
A547 (1.05)
A668 (1.06)
(Unit2) A66B (1.08)
Page 2 of 7
SUBJECT:
POWER TAILGATE
NOT OPENING
Service Procedure:
DIGITAL DOCUMENTATION
This TSB includes repair validation photos. Refer to the latest Warranty Digital Documentation
Policy for requirements.
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.
Manual Mode Password:
Event
Menu
Password
1127
JK(a)/JK(a) EV PTGM 81870-AR101 (Unit1)
6443
1128
JK(a)/JK(a) EV PTGM 81870-AR101 (Unit2)
3212
TSB #: 25-BE-023G
Page 3 of 7
SUBJECT:
POWER TAILGATE
NOT OPENING
ECU Update Procedure
NOTICE
This GDS ECU update can ONLY be performed in Manual Mode. Perform TWO software
updates: Event 1127 (Unit 1) & Event 1128 (Unit 2).
1.
Perform the ECU update in Manual Mode.
i
Information
Refer to TSB # 25-GI-020G, “ECU
Update Procedure for Tablet-Based
Genesis Smart”, for additional
information.
2.
Select Power Tail Gate (PTG) to view the
available events.
NOTICE
Perform software update for Event 1127
(Unit1) first, then Event 1128 (Unit2).
NOTICE
If the update fails, remove the power
connector from the in-cabin fuse box for
at least 5 seconds. Alternatively,
disconnect the negative (–) 12V battery
terminal and wait at least 5 seconds.
Reassemble and retry the update.
TSB #: 25-BE-023G
Page 4 of 7
SUBJECT:
3.
POWER TAILGATE
NOT OPENING
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.
4.
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-BE-023G
Page 5 of 7
SUBJECT:
POWER TAILGATE
5.
Perform software update for Event 1128
(Unit2).
6.
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
NOT OPENING
Information
Use the Refresh button to reset the
timer.
TSB #: 25-BE-023G
Page 6 of 7
SUBJECT:
7.
POWER TAILGATE
NOT OPENING
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.
8.
Perform an All Systems Fault Code search
and erase DTC history that had incidentally
occurred from the ECU update.
9.
Start the engine OR place in Ready mode and
confirm proper operation of the power tailgate.
10.
The service procedure is now complete.
TSB #: 25-BE-023G
Page 7 of 7
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TSB/Document ID: 25-BE-023G TSB
Replacement Service Bulletin Number:
MFR Communication Date: 2025-12-19
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: STRUCTURE:BODY
MFR Component System:
MFR Component Subsystem:
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