NHTSA ID Number: 11020349
Manufacturer Communication Number: Circular 93PG_REV1
TSB/Document Date: 2025-07-08
Summary
High-voltage Battery
Switching Unit Software. Summary Updated SVM code and SVM code entry instructions
Service Action
Code: 93PG
Subject
High-voltage Battery Switching Unit Software
Document History
Affected Vehicles
Date
Summary
06/17/2025
Updated SVM code and SVM code entry instructions
05/08/2025
Original publication
Country
Beginning
Model
Year
Ending
Model
Year
Vehicle
Vehicle
Count
USA
USA
CAN
CAN
2022
2022
2022
2022
2023
2023
2023
2023
E-TRON QUATTRO
E-TRON SPORTBACK QUATTRO
E-TRON QUATTRO
E-TRON SPORTBACK QUATTRO
5746
2403
629
483
Check Campaigns/Actions screen in Elsa on the day of repair to verify that a VIN qualifies for repair under this
action. Elsa is the only valid campaign inquiry & verification source.
About this Service
Action
Code Visibility
Campaign status must show “open.”
If Elsa shows other open action(s), inform your customer so that the work can also be completed at
the same time the vehicle is in the workshop for this campaign.
Audi is providing a software update that reduces the number of switching cycles in the switching
unit for high-voltage battery. This will help increase the longevity of the switching unit.
On or about May 08, 2025, the campaign code was applied to affected vehicles.
Owner Notification
Owner notification took place in May 2025. Owner letter examples are included in this bulletin
for your reference.
Additional Information
Please alert everyone in your dealership about this action, including Sales, Service, Parts
and Accounting personnel. Contact Warranty if you have any questions.
Dealers must ensure that every affected inventory vehicle has this campaign completed before
delivery to consumers.
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. 2025 Audi of America, Inc. and Audi Canada. All Rights Reserved.
93PG Page 1 of 9
Claim Entry Instructions
The labor times listed here may differ from the labor operations and labor times listed in ELSA.
After campaign 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 a customer declines campaign work, refer to the “Customer Declines Campaign/Update Repair” section in the
Campaign/Update Policy and Procedures Manual.
Service Number
Damage Code
Parts Vendor Code
Claim Type
93PG
0099
002
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
SW
LABOR
Labor Op
Time Units
Description
0151 00 10
SEE ELSA
Software update
(setup + battery charger)
0151 00 60
Time stated on
diagnostic protocol
Software update
(GFF Operations)
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. 2025 Audi of America, Inc. and Audi Canada. All Rights Reserved.
93PG Page 2 of 9
Customer Letter Example (USA)
This notice applies to your vehicle: ,
Subject: Service Action 93PG - High-voltage Battery Switching Unit Software
Dear Audi Owner,
As part of Audi’s ongoing commitment to customer satisfaction, we are informing you of our decision to conduct a service action
on certain 2022-2023 model year Audi vehicles. Our records show that you are the owner of a vehicle affected by this action.
About this Service Action:
Audi is providing a software update that reduces the number of switching cycles in the switching unit for high-voltage battery.
This will help increase the longevity of the switching unit. This work will take about two hours to complete and will be performed
for you free of charge. Please keep in mind that your dealer may need additional time for the preparation of the work, as well
as to accommodate their daily workshop schedule.
What should you do?
In order to limit any possible inconvenience, please contact your authorized Audi dealer as soon as possible to schedule this
work. For your convenience, you can also visit www.audiusa.com and click on the “Find a Dealer” link to locate a dealer near
you and schedule this service.
Additional Information
•
If you are the lessor and registered owner of the vehicle identified in this action, please forward this letter immediately
via first-class mail to the lessee within ten (10) days of receipt.
•
If your authorized Audi dealer fails or is unable to complete this work free of charge within a reasonable time, if you
have changed your address or no longer own the vehicle identified in this letter, or if you should have any questions
about this communication, please contact Audi Customer Experience at 1-800-253-2834 or via our “Contact Us” page
at www.audiusa.com.
•
To check your vehicle’s eligibility for repair under this or any other recall/service campaign, please visit the
Recall/Service Campaign Lookup tool at www.audiusa.com and enter your Vehicle Identification Number (VIN).
We apologize for any inconvenience this matter may cause; however, we are taking this action to help ensure your vehicle
continues to meet and exceed your expectations.
Sincerely,
Audi Customer Protection
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. 2025 Audi of America, Inc. and Audi Canada. All Rights Reserved.
93PG Page 3 of 9
Customer Letter Example (Canada)
This notice applies to your vehicle: ,
Subject: Service Action 93PG - High-voltage Battery Switching Unit Software
Dear Audi Owner,
As part of Audi’s ongoing commitment to customer satisfaction, we are informing you of our decision to conduct a service
action on certain 2022-2023 model year Audi vehicles. Our records show that you are the owner of a vehicle affected by
this action.
About this Service Action:
Audi is providing a software update that reduces the number of switching cycles in the switching unit for high-voltage battery.
This will help increase the longevity of the switching unit. This work will take about two hours to complete and will be performed
for you free of charge. Please keep in mind that your dealer may need additional time for the preparation of the work, as well
as to accommodate their daily workshop schedule.
What should you do?
In order to limit any possible inconvenience, please contact your authorized Audi dealer as soon as possible to schedule this
work.
Additional Information
•
If you are the lessor and registered owner of the vehicle identified in this action, please forward this letter immediately
via first-class mail to the lessee within ten (10) days of receipt.
•
If your authorized Audi dealer fails or is unable to complete this work free of charge within a reasonable time, if you
have changed your address or no longer own the vehicle identified in this letter, or if you should have any questions
about this communication, please contact Audi Customer Relations Monday through Friday from 8AM to 8PM EST at
1-800-822-2834 or via our “Contact Audi Canada” page at www.audi.ca.
We apologize for any inconvenience this matter may cause; however, we are taking this action to help ensure your vehicle
continues to meet and exceed your expectations.
Sincerely,
Audi Customer Protection
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. 2025 Audi of America, Inc. and Audi Canada. All Rights Reserved.
93PG Page 4 of 9
Required Tools
Battery Tester/Charger
Diagnostic Tester
-VAS5908-
-VAS6150X/VAS6160X-
(or equivalent charger with
a current rating of at least
90A)
(or equivalent)
Repair Instruction
Section A - Check for Previous Repair
•
Enter the VIN in Elsa and proceed to the
“Campaign/Action” screen.
TIP
On the date of repair, print this screen and keep a
copy with the repair order.
•
Confirm the Campaign/Action is open .
If the status is closed, no further work is required.
•
Note the Applicable Criteria ID for use
in determining the correct work to be done and
corresponding parts associated.
CRITICAL REPAIR STEP
STOP!
All campaigns/actions with a repair available must be
performed in order of the Start date . The
oldest should be performed first (unless otherwise
noted in the repair instructions).
Proceed to Section B
NOTE
•
Damages resulting from improper repair or failure to follow these work instructions are the dealer’s
responsibility and are not eligible for reimbursement under this action.
•
Diagnosis and repair of pre-existing conditions in the vehicle are not covered under this action.
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. 2025 Audi of America, Inc. and Audi Canada. All Rights Reserved.
93PG Page 5 of 9
Section B – HV Battery Software Update
NOTE
Prior to launching the VAS Diagnostic Tester and starting an update, ensure the following conditions are met;
The ODIS software is completely up to date.
Refer to the “Current ODIS Service Version” circular found in Elsa2Go Service References.
The battery charger is connected to the vehicle battery and remains connected for the duration of the
software update.
•
Battery voltage must remain above 12.5 volts (or higher, if directed in the work instructions) for
the duration of the software update. Failure to do so may cause the update to fail, which could result
in damage to the control module. Control modules damaged by insufficient voltage will not be
covered.
The screen saver and power saving settings are off.
•
Failure to do so may result in the tester entering power save mode during the software update, which
could result in damage to the control module.
The VAS Diagnostic Tester is plugged in using the supplied power adapters.
•
Under no circumstances should the tester be used on battery power alone during the software
update. Failure to do so may result in the tester powering off during the update, which could result
in damage to the control module.
Flash process through “Audi Flashing” not Guided Fault Finding (GFF).
•
DO NOT USE Guided Fault Finding (GFF) to perform this flash. Using GFF will cause the flash to
take longer. Requests for additional time will not be considered.
The VAS Diagnostics Interface MUST ONLY be connected to the tester with a USB cable.
•
Performing a software update using a Bluetooth or Wi-Fi connection increases the risk of losing
connection during the update, which could result in damage to the control module.
It also greatly increases the time required to perform the update. Requests for additional time or
parts will be denied if the GFF log shows the update was performed using Bluetooth or WiFi.
NOTE
•
All campaign software updates must be completed during a single, standalone ODIS Diagnostic Session.
You must fully complete this campaign and send all logs before beginning any other campaigns or
operations.
•
If there are any ODIS “Hot-Fix” patches installed, they must be removed from the scan tool before beginning
this operation. ODIS “Hot-Fix” patches may affect the update process.
WARNING
Radiator Fan(s) may cycle ON high speed during the Update Process! There is a serious risk that personal injury
may result if contact is made with spinning fan blades. Keep hands and all objects away from Radiator Fan(s) during
Update Process!
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. 2025 Audi of America, Inc. and Audi Canada. All Rights Reserved.
93PG Page 6 of 9
IMPORTANT
To Update-Programming using SVM, review and follow instructions in Technical Bulletin 2011732: Software
Version Management (SVM) Operating Instructions for the US, or 2037026: Working with the Software Version
Management (SVM) for Canada.
The SVM Process must be completed in its entirety so the database receives the update confirmation response. A
warranty claim may not be reimbursed if there is no confirmation response to support the claim.
CRITICAL REPAIR STEP
STOP!
Prior to performing the software update, ensure that ODIS version 2.37.7 (or higher) is installed. If it is not, error
code ERP0234E will occur stating that there is a communication issue to several modules and the flash will fail.
Requests for additional time due to errors caused by an out of date ODIS version will not be covered by the
campaign.
IMPORTANT
The flash procedure listed below uses a new SVM process for the software update. Please read the instructions
below prior to starting the flash.
•
Switch off all consumers, air conditioning, heater blower motor, lights, heated seats, etc.
•
Connect battery charger.
•
Ensure the latest version of ODIS is downloaded.
•
Ensure diagnostic head is connected to ODIS tester via USB cable.
•
Move selector lever to P.
•
Switch the hazard flashers on.
•
Verify that the ODIS version is 2.37.7 or later. If the current ODIS version
is below 2.37.7, do not start the flash until the scan tool has been
updated to ODIS version 2.37.7 or higher.
•
Use operating mode, FLASH.
o
Communication path = CAN
•
Select “SVM – Code Input”.
•
Enter SVM code 93PGA024 and follow the on screen prompts.
IMPORTANT
The message shown below may occur after the last module has been updated. This is not an error, and the
procedure should be continued. When selecting Complete/Continue, the test plan may remain on this screen for a
few moments, this is normal. Do not cancel the test plan.
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. 2025 Audi of America, Inc. and Audi Canada. All Rights Reserved.
93PG Page 7 of 9
•
Cycle the key off for 1-2 minutes after the software update has completed and prior to exiting the flash program.
•
Ensure the diagnostic log is sent to GFF Paperless after completion.
•
Proceed to Section C
IMPORTANT
If the software update fails for any reason, ODIS feedback must be sent prior to further diagnosis. This ensures the
failure/error is reported. Failure to do so may result in non-payment of consequential requests for additional time or
parts.
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. 2025 Audi of America, Inc. and Audi Canada. All Rights Reserved.
93PG Page 8 of 9
Section C – Campaign Stamp
•
Once the campaign has been completed, the
technician should stamp the repair order.
•
Stamps are available for ordering through the
Compliance Label Ordering Portal (item#
AUD4927ENG or AUD4927FRE).
Item#: AUD4927ENG
OR
Item # AUD4927FRE
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. 2025 Audi of America, Inc. and Audi Canada. All Rights Reserved.
93PG Page 9 of 9
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TSB/Document ID: Circular 93PG_REV1
Replacement Service Bulletin Number:
MFR Communication Date: 2025-06-17
MFR Internal Campaign ID/Software Version: 93PG
Communication Type: Service Campaign
NHTSA Components: UNKNOWN OR OTHER
MFR Component System:
MFR Component Subsystem:
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