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NHTSA ID Number: 11031316

Manufacturer Communication Number: 26-01-035G TSB

TSB/Document Date: 2026-04-15


Summary

Some vehicles may exhibit a loss of connectivity or interruptions in the middle of using Connected Car Services (CCS) functions. This may be due to an occasional disconnection on Verizon’s communication network. Follow the procedures in this bulletin to verify Connected Car Data Communication Unit (DCU) network connection and if needed, reset the DCU in Dealer Mode to resolve the connection.


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TSB/Document ID: 26-01-035G TSB

Replacement Service Bulletin Number:

MFR Communication Date: 2026-04-10

MFR Internal Campaign ID/Software Version: 913G

Communication Type: Service Campaign

NHTSA Components: ELECTRICAL SYSTEM

MFR Component System:

MFR Component Subsystem:


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GROUP

NUMBER

CAMPAIGN
DATE

Technical Service Bulletin
SUBJECT:

26-01-035G
MODEL(S)

APRIL 2026

SEE BELOW

DCU (MODEM) NETWORK INSPECTION &
CONNECTED SERVICES RESET (SERVICE CAMPAIGN 913G)

This TSB supersedes 25-01-018G-1 to add GV70 (JK1/JK1A) models and all other 2026 model
years to the Applicable Vehicles table on page 1 and the Warranty Information table on page 2.

 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: Some vehicles may exhibit a loss of connectivity or interruptions in the middle of using
Connected Car Services (CCS) functions. This may be due to an occasional disconnection on Verizon’s
communication network. Follow the procedures in this bulletin to verify Connected Car Data
Communication Unit (DCU) network connection and if needed, reset the DCU in Dealer Mode to resolve
the connection.
Applicable Vehicles (Certain):
Model Year

2023 – 2026

Model

G90 (RS4)
GV60 (JW1 EV)
G80 (RG3)

2025 – 2026

GV80 (JX1)
GV80 Coupe (JX1)

2026

GV70 (JK1/JK1A)

NOTICE
To avoid potential damage to GenesiseBay logo EVs, GenesiseBay logo EV repairs can only be performed by EV
Certified GenesiseBay logo Retailers.

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

SUBJECT:

DCU (MODEM) NETWORK INSPECTION

& CONNECTED SERVICES RESET

(SERVICE CAMPAIGN

913G)

Warranty Information:
Model

Op. Code

Operation

50D053R0

Enrollment Status Check
&
Initial Verification of
Connection

50D053R1

Enrollment Status Check,
Resetting the DCU
Network
&
Verification of Connection
After Resetting DCU

G80 (RG3)
G90 (RS4)
GV60
(JW1 EV)
GV70 (JK1)
GV70
Electrified
(JK1 EV)
GV80 (JX1)

Nature
Code

Cause
Code

0.2 M/H NTF00-00000

M73

ZZ3

0.3 M/H NTF00-00000

M73

ZZ3

Op. Time

Causal Part

GV80 Coupe
(JX1)
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: This TSB includes repair validation photos. Op times include VIN, mileage, and repair
validation photo(s) as outlined in the Digital Documentation Policy.

Service Procedure:

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

TSB #: 26-01-035G

Page 2 of 9
SUBJECT:

SUBJECT:

DCU (MODEM) NETWORK INSPECTION

& CONNECTED SERVICES RESET

Verification of GenesiseBay logo Connected Services Enrollment

On GenesiseBay logo Tech Info select VIN Search (A).

2.

Enter VIN in the VIN Search field and select
Search (B).

3.

Check the GenesiseBay logo Connected Services
Enrollment Status (C).

If status is ACTIVE – Perform Initial
Verification of Connection, Resetting
the DCU Network, and Verification of
Connection After Resetting DCU
procedures.

913G)

Status

1.

(SERVICE CAMPAIGN

A
B

C

If status is anything other than ACTIVE Proceed to the Resetting the DCU
Network procedure.

Initial Verification of Connection

1.

Turn ON the ignition (A).

A

2.

Select Setup (B) or SETUP (C).
B

C

TSB #: 26-01-035G

Page 3 of 9
SUBJECT:

SUBJECT:

3.

DCU (MODEM) NETWORK INSPECTION

& CONNECTED SERVICES RESET

(SERVICE CAMPAIGN

913G)

Select Connected Services (D).

D

4.

Select Activate (E) or Reconfigure (F).

E

F

5.

Verify GenesiseBay logo Connected Services activation
success.
Select OK if either message is shown:
“Connected Services Activated” (G) or
GENESISeBay logo Connected Services has been
reconfigured” (H).

TSB #: 26-01-035G

G

Page 4 of 9
SUBJECT:

SUBJECT:

DCU (MODEM) NETWORK INSPECTION

& CONNECTED SERVICES RESET

(SERVICE CAMPAIGN

913G)

6.
Confirm message:
• If either of these messages is shown,
submit with Op Code 50D053R0. The
service procedure is now complete.
• If NOT, proceed to the Resetting the
DCU Network procedure.

H

Resetting the DCU Network

1.

Turn ON the ignition (A).

A

2.

Turn Radio FM ON and set to Volume 2.
Select Home (B).
Select Setup (C), or press SETUP (D).

B
C

D

3.

Tap the designated area (E) at the top of the
Device Connections card 10 or more times
with two fingers simultaneously.

TSB #: 26-01-035G

E

Page 5 of 9
SUBJECT:

SUBJECT:

4.

DCU (MODEM) NETWORK INSPECTION

& CONNECTED SERVICES RESET

(SERVICE CAMPAIGN

913G)

Enter 0929 as the password then select
OK (F).

i

F

Information

Password 0929 applies to all models.
If the password screen does NOT
display, try again from step 1.
The password screen requests a 9-digit
password but will accept the 4-digit
password given above.
5.

From Dealer Mode, select Connected Car
Service (G).

G

6.

Select Reset DCU (H).

i

H

Information

After selecting Reset DCU, a confirmation
popup will be seen Modem Reset
Command send! (I).

TSB #: 26-01-035G

I

Page 6 of 9
SUBJECT:

SUBJECT:

7.

DCU (MODEM) NETWORK INSPECTION

& CONNECTED SERVICES RESET

(SERVICE CAMPAIGN

913G)

DIGITAL
DOCUMENTATION

Using the tablet or GDS screen capture
function, take a screenshot of the ECU
Update “Modem Reset Command send!”
result screen.
Upload the photo to STUI.
NOTE: The VIN/Date/Time/Mileage photo
imprint is NOT required for GDS
screenshots.
8.

Select Home (J) to exit Dealer Mode.

J

Select Setup (K) or SETUP (L).

K

L

9.

Select Connected Services (M).

M

TSB #: 26-01-035G

Page 7 of 9
SUBJECT:

SUBJECT:

10.

DCU (MODEM) NETWORK INSPECTION

i

& CONNECTED SERVICES RESET

(SERVICE CAMPAIGN

913G)

Information

ONLY for vehicles with an ACTIVE
Connected Services enrollment status:
Proceed to Verification of Connection After
Resetting DCU.

Verification of Connection After Resetting DCU

1.

(Vehicles with “ACTIVE” Connected Services Enrollment Status)

Select Activate (A) or Reconfigure (B).

A

B

TSB #: 26-01-035G

Page 8 of 9
SUBJECT:

SUBJECT:

2.

DCU (MODEM) NETWORK INSPECTION

& CONNECTED SERVICES RESET

Verify GenesiseBay logo Connected Services activation
success when either message is shown:
“Connected Services Activated” (C) or
GENESISeBay logo Connected Services bas been
reconfigured” (D).

i

913G)

C

Information

If the DCU does NOT reset and
Connected Car Services does NOT show
activated, please contact Techline.

3.

(SERVICE CAMPAIGN

D

The service procedure is now complete.

TSB #: 26-01-035G

Page 9 of 9
SUBJECT:

1


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