•

Attach the GRX3000VAS Tester/Charger (or
equivalent) IN POWER SUPPLY MODE to
the vehicle battery or underhood charging
posts.
NOTE

When connecting the charger directly to the battery,
connect the positive cable to the positive terminal of
the battery and connect the negative cable to the
grounding lug on the chassis. DO NOT connect the
ground cable directly to negative terminal of the
battery.
•

Switch on the hazard warning lights.

CAUTION
The procedure may cancel itself if the hazard
warning lights are not switched on. The hazard
warning lights prevent the system from switching to
bus sleep mode during the update.
•

Connect
the
VAS6150X/VAS6160X
Diagnostic Tester to the vehicle.

•

Start the ODIS program.

•

Confirm that scan tool is communicating with
the diagnostic head by USB cable.
o

If the Bluetooth or WiFi symbol is
shown,
then
disconnect
the
diagnostic head from the vehicle and
reconnect the USB cable to the
diagnostic head and then reattach to
the vehicle.

The repair information in this document is intended for use only by skilled technicians who have the proper tools, equipment and training to correctly and safely maintain your vehicle. These
procedures are not intended to be attempted by “do-it-yourselfers,” and you should not assume this document applies to your vehicle, or that your vehicle has the condition described. To
determine whether this information applies, contact an authorized Audi dealer. 2026 Audi of America, Inc and Audi Canada All Rights Reserved.
93N6 Page 6 of 12

Release Date

04/01/2026

Technical Service Bulletin

93N6 UPDATE
Software Update for Battery Modules Control Unit –
(High-Voltage Battery Warranty)

•

From the home screen of the scan tool
highlight “Flash” <1>.

•

Follow the on-screen prompts.
NOTE

Operating mode “Flash” must be used. Performing
this software update using “Diagnosis” (Guided
Fault Finding) could result in non-payment of the
claim.

•

Select “Starting Flashing” and follow the onscreen prompts.

•

Select “No RO”.

The repair information in this document is intended for use only by skilled technicians who have the proper tools, equipment and training to correctly and safely maintain your vehicle. These
procedures are not intended to be attempted by “do-it-yourselfers,” and you should not assume this document applies to your vehicle, or that your vehicle has the condition described. To
determine whether this information applies, contact an authorized Audi dealer. 2026 Audi of America, Inc and Audi Canada All Rights Reserved.
93N6 Page 7 of 12

Release Date

04/01/2026

Technical Service Bulletin

93N6 UPDATE
Software Update for Battery Modules Control Unit –
(High-Voltage Battery Warranty)

•

Highlight “SVM – Code Input”.

•

Select “Perform test”.

The repair information in this document is intended for use only by skilled technicians who have the proper tools, equipment and training to correctly and safely maintain your vehicle. These
procedures are not intended to be attempted by “do-it-yourselfers,” and you should not assume this document applies to your vehicle, or that your vehicle has the condition described. To
determine whether this information applies, contact an authorized Audi dealer. 2026 Audi of America, Inc and Audi Canada All Rights Reserved.
93N6 Page 8 of 12

Release Date

04/01/2026

Technical Service Bulletin

93N6 UPDATE
Software Update for Battery Modules Control Unit –
(High-Voltage Battery Warranty)
NOTE
Using Bluetooth or WiFi for this action is
PROHIBITED!
Damage caused to electronic components (e.g.
ECM, TCM, etc.) during the SVM flash process is
not covered.

IMPORTANT STEP!
Review the open campaign
list before performing this
software update!
If open, the 93N6 must be completed prior to
performing any steps outlined in the 93U9 and
93V2 campaigns. The high voltage battery
evaluation step previously needed during the
93U9 and 93V2 campaigns is no longer required.

SVM code

93N6A268
•

Enter the corrective action code (SVM code)
as listed above.

•

Select “Accept” <arrow>.

•

Follow the on-screen prompts.

•

After receiving confirmation that the flash
completed successfully, select “Send”
<arrow> to send the diagnostic protocol
online.

•

Follow the on-screen prompts.

The repair information in this document is intended for use only by skilled technicians who have the proper tools, equipment and training to correctly and safely maintain your vehicle. These
procedures are not intended to be attempted by “do-it-yourselfers,” and you should not assume this document applies to your vehicle, or that your vehicle has the condition described. To
determine whether this information applies, contact an authorized Audi dealer. 2026 Audi of America, Inc and Audi Canada All Rights Reserved.
93N6 Page 9 of 12

Release Date

04/01/2026

Technical Service Bulletin

93N6 UPDATE
Software Update for Battery Modules Control Unit –
(High-Voltage Battery Warranty)
•

Click “Flash” <arrow> to exit the flash session.

•

Various event memory entries may be
generated after the flashing procedure on
some vehicles. Put the vehicle in a
corresponding bus sleep mode after
performing the update in order to clear the
faults.

•

To put the vehicle in bus sleep mode,
disconnect the diagnostic tester, remove the
key from the vehicle and lock the vehicle with
the remote for 6 minutes.

The repair information in this document is intended for use only by skilled technicians who have the proper tools, equipment and training to correctly and safely maintain your vehicle. These
procedures are not intended to be attempted by “do-it-yourselfers,” and you should not assume this document applies to your vehicle, or that your vehicle has the condition described. To
determine whether this information applies, contact an authorized Audi dealer. 2026 Audi of America, Inc and Audi Canada All Rights Reserved.
93N6 Page 10 of 12

Release Date

Technical Service Bulletin

04/01/2026

93N6 UPDATE
Software Update for Battery Modules Control Unit –
(High-Voltage Battery Warranty)

Warranty
Claim Entry Instructions
After Update has been completed, enter claim as soon as possible to help prevent work from being duplicated
elsewhere. Attach the Elsa screen print showing action open on the day of repair to the repair order.
If customer refused campaign work or vehicle is out of the specified warranty parameter for this Update:


U.S. dealers: Submit the request through Audi Warranty Online under the Campaigns/Update option.



Canada dealers: Upload the repair order to Audi WIN/Operations/Campaign Closure.
Service Number

93N6

Damage Code

0099

Parts Vendor Code

002

Claim Type

Sold vehicle: 7 10
Unsold vehicle: 7 90

Causal Indicator
Vehicle Wash/Loaner
Criteria I.D.

Mark labor as causal
Do not claim wash/loaner under this action
S1
LABOR
Labor Op

Time Units

Description

2706 89 50

10

Connect battery charger

9301 25 99

Time stated on
diagnostic protocol

Update battery module control module
software

9035 33 99

10

Activate bus sleep mode

Additional Actions Some of the affected vehicles may be involved in additional Actions. Please check your
Elsa Campaign/Action Information screen so that any additional required work can be
done simultaneously.
Verifying Vehicle
Eligibility

To verify vehicle eligibility for this Update, always check the Elsa Campaign/Action
Information screen. The Elsa system is the only binding inquiry and verification system;
other systems are not valid and may result in non-payment of a claim.

Help for Claim
Entry

For questions regarding claim entry, contact Audi Warranty.

Required
Customer
Notification

Inform your customer in writing by recording on the Repair Order any and all work that
was conducted on the vehicle, including any and all updates completed under this Update.

The repair information in this document is intended for use only by skilled technicians who have the proper tools, equipment and training to correctly and safely maintain your vehicle. These
procedures are not intended to be attempted by “do-it-yourselfers,” and you should not assume this document applies to your vehicle, or that your vehicle has the condition described. To
determine whether this information applies, contact an authorized Audi dealer. 2026 Audi of America, Inc and Audi Canada All Rights Reserved.
93N6 Page 11 of 12

Release Date

Technical Service Bulletin

04/01/2026

93N6 UPDATE
Software Update for Battery Modules Control Unit –
(High-Voltage Battery Warranty)

Required Special Tools
Battery Tester/Charger

Diagnostic Tester

- GRX3000VAS-

-VAS6150X/VAS6160X-

(or equivalent)

(or equivalent)

Additional Information
All parts and service references provided in this Update are subject to change and/or removal. Always check Elsa
for the most current version of this document.

The repair information in this document is intended for use only by skilled technicians who have the proper tools, equipment and training to correctly and safely maintain your vehicle. These
procedures are not intended to be attempted by “do-it-yourselfers,” and you should not assume this document applies to your vehicle, or that your vehicle has the condition described. To
determine whether this information applies, contact an authorized Audi dealer. 2026 Audi of America, Inc and Audi Canada All Rights Reserved.
93N6 Page 12 of 12