NHTSA ID Number: 11002182
Manufacturer Communication Number: Bulletin 93N6 REV2
TSB/Document Date: 2024-06-25
Summary
Updated warranty parameters
Release Date
Technical Service Bulletin
05/30/2024
93N6 UPDATE
Software Update for Battery Modules Control Unit –
(High-Voltage Battery
Warranty)
Applicable Vehicles
Country
Beginning Model Year
Ending Model Year
Vehicle
Vehicle Count
USA
2019
2022
20,067
USA
2020
2022
CAN
2019
2022
CAN
2020
2022
E-TRON QUATTRO
E-TRON SPORTBACK
QUATTRO
E-TRON QUATTRO
E-TRON SPORTBACK
QUATTRO
3,968
1,349
505
Revision History
Revision
Date
Purpose
3
05/30/2024
Updated warranty parameters
2
02/14/2024
Updated work procedure information
1
4/26/2022
Original publication
Condition/Technical Background
This Update has been proactively released to prevent the following condition(s) from occurring in the vehicle:
Criteria
Technical Background
S1
A software update is necessary on Audi e-tron vehicles manufactured within a specific period. The battery
system of an electric vehicle consists of a large number of individual battery cells. These cells have the
same capacity and slightly different cell voltages. Without a balancing function, the capacity of the entire
system would align itself with the capacity of the weakest cell. In addition, individual cells could be
overloaded and age more rapidly. The efficiency of the balancing function may be affected by a possible
error in the cell voltage measurement. This software update optimizes the function of the control unit with
respect to balancing and stabilizes the cell voltage measurement.
Remedy
Criteria
Remedy
S1
Update of the battery modules control units and, if necessary, further control units in the system will be
updated on the vehicles affected.
This Update is in effect until removed.
Vehicle must meet all of the following criteria:
• Procedure is valid only for vehicles that show the 93N6 code in the Elsa Campaign/Action Information screen
on the day of repair.
• Vehicle must be within the High-Voltage Battery Warranty parameters.
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. 2024 Audi of America, Inc and Audi Canada All Rights Reserved.
93N6 Page 1 of 12
Release Date
05/30/2024
Technical Service Bulletin
93N6 UPDATE
Software Update for Battery Modules Control Unit –
(High-Voltage Battery Warranty)
• Procedure must be performed within the allotted time frame stated in this Technical Service Bulletin.
• Procedure must be performed on applicable vehicles in dealer inventory prior to sale.
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. 2024 Audi of America, Inc and Audi Canada All Rights Reserved.
93N6 Page 2 of 12
Release Date
05/30/2024
Technical Service Bulletin
93N6 UPDATE
Software Update for Battery Modules Control Unit –
(High-Voltage Battery Warranty)
Service
NOTE:
•
Elsa is the only valid inquiry/verification source. Check Elsa on the day this vehicle UPDATE will be
performed to verify vehicle eligibility for the UPDATE. Status must show “open”. Attach an Elsa printout
showing the “open” status to the repair order.
•
If this UPDATE appears to have already been performed but the code still shows open in Elsa, contact
Warranty before proceeding further. Another dealer may have recently performed this UPDATE but not
yet entered a claim for it in the system.
•
Elsa may also show additional open action(s); if so, inform your customer - this work can be done while
the vehicle is in for this UPDATE.
•
Contact the Warranty Helpline (U.S.) or the Warranty Campaign Specialist (Canada) if you have any
questions.
•
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!
If multiple software update Campaign/Actions are
open, they must be performed in order of the Start
date . The oldest should be performed
first, unless specified otherwise.
•
All Safety Recalls must be completed prior
to completing this campaign.
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. 2024 Audi of America, Inc and Audi Canada All Rights Reserved.
93N6 Page 3 of 12
Release Date
Technical Service Bulletin
05/30/2024
93N6 UPDATE
Software Update for Battery Modules Control Unit –
(High-Voltage Battery Warranty)
SVM Update Instructions
IMPORTANT STEP!
Review the open campaign list before
performing this software update!
If the 93V2 or 93U9 safety recall is open, complete those campaigns before the 93N6. The
software update in the 93N6 will erase the high-voltage battery historical data and will lead to
an inaccurate evaluation of the high-voltage battery cell modules.
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 “Alerts” section on ServiceNet home page for the current ODIS version.
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 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.
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. 2024 Audi of America, Inc and Audi Canada All Rights Reserved.
93N6 Page 4 of 12
Release Date
05/30/2024
Technical Service Bulletin
93N6 UPDATE
Software Update for Battery Modules Control Unit –
(High-Voltage Battery Warranty)
•
Performing a software update using a Bluetooth or WiFi 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.
TIP
As a best practice, customer presets should be documented prior to performing any update in the event these
settings are lost during the update.
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!
TIP
To Update-Programming using SVM, review and follow instructions in Technical Bulletin 2014603: Software
Version Management (SVM) Operating Instructions.
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.
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. 2024 Audi of America, Inc and Audi Canada All Rights Reserved.
93N6 Page 5 of 12
Release Date
05/30/2024
Technical Service Bulletin
93N6 UPDATE
Software Update for Battery Modules Control Unit –
(High-Voltage Battery Warranty)
•
Open the hood.
•
Open the battery cover.
•
Attach the GRX3000VAS Tester/Charger (or
equivalent) IN POWER SUPPLY MODE to
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TSB/Document ID: Bulletin 93N6 REV2
Replacement Service Bulletin Number:
MFR Communication Date: 2024-05-30
MFR Internal Campaign ID/Software Version: 93N6
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: UNKNOWN OR OTHER
MFR Component System:
MFR Component Subsystem:
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