Technical Service Bulletin
93C7 UPDATE – Software Update for Battery Regulation (NVLW)
February 15, 2018
Model(s)

Year

VIN Range

Vehicle-Specific Equipment

A3 e-Tron

2016

See ELSA

See ELSA

Condition
This Update has been proactively released to prevent the following condition from occurring in the vehicle:
The warning concept for the high-voltage battery has been modified for Audi A3 e-tron vehicles manufactured
within a specific period. The “Drive system: system fault!” warning indicator will light up red instead of yellow if
moisture is detected inside the high voltage battery.
This Update is in effect until removed.
Vehicle must meet all of the following criteria:
•

Procedure is valid only for vehicles that show the 93C7 code in the Elsa Campaign/Action Information
screen on the day of repair.

•

Vehicle must be within the New Vehicle Limited 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.

Technical Background
The warning concept for the high-voltage battery has been modified for Audi A3 e-tron vehicles manufactured
within a specific period. The “Drive system: system fault!” warning indicator will light up red instead of yellow if
moisture is detected inside the high voltage battery.

© 2018 Audi of America, Inc.

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All rights reserved. Information contained in this document is based on the latest information available at the time of printing and is subject to the copyright and other intellectual property rights of
Audi of America, Inc., its affiliated companies and its licensors. All rights are reserved to make changes at any time without notice. No part of this document may be reproduced, stored in a retrieval
system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, nor may these materials be modified or reposted to other sites, without the prior
expressed written permission of the publisher.

Technical Service Bulletin
Service
SVM Update Instructions
1. Follow all instructions in TSB 2011732: 00 Software Version Management (SVM), operating instructions.
2. Attach an appropriate battery charger to the vehicle.
3. 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.
4. Attach the scan tool to the vehicle using an USB cable.
5. Confirm that the scan tool is communicating with the diagnostic head by USB . If the
Bluetooth symbol is shown then disconnect the diagnostic head from the vehicle and then
reattach the USB cable to the diagnostic head and then reattach to the vehicle.

6. Using Flashing, perform the update using the SVM action code, 93C7A567.

NOTE
This SVM code will update all required control
modules automatically. The flashing process
only has to be performed once.
7. After the Flashing test plan has completed upload log online.

© 2018 Audi of America, Inc.

Page 2 of 4

All rights reserved. Information contained in this document is based on the latest information available at the time of printing and is subject to the copyright and other intellectual property rights of
Audi of America, Inc., its affiliated companies and its licensors. All rights are reserved to make changes at any time without notice. No part of this document may be reproduced, stored in a retrieval
system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, nor may these materials be modified or reposted to other sites, without the prior
expressed written permission of the publisher.

Technical Service Bulletin
Warranty
Claim Entry Instructions
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 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: Fax repair order to Warranty at (905) 428-4811.
Service Number

93C7

Damage Code

0099

Parts Vendor Code
Claim Type

002
Sold vehicle: 7 10
Unsold vehicle: 7 90

Causal Indicator
Vehicle Wash/Loaner
Criteria I.D.

Mark Labor as causal part
Do not claim wash/loaner under this action
8V
Connect battery charger.
Labor operation: 2706 8950

10 T.U.

--AND—
Connect vehicle diagnostic tester, perform software update for Battery Regulation
control unit.
Labor operation: 9325 25 99

Time state on diagnostic
protocol (max 40T.U.)

© 2018 Audi of America, Inc.

Page 3 of 4

All rights reserved. Information contained in this document is based on the latest information available at the time of printing and is subject to the copyright and other intellectual property rights of
Audi of America, Inc., its affiliated companies and its licensors. All rights are reserved to make changes at any time without notice. No part of this document may be reproduced, stored in a retrieval
system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, nor may these materials be modified or reposted to other sites, without the prior
expressed written permission of the publisher.

Technical Service Bulletin
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.

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.

© 2018 Audi of America, Inc.

Page 4 of 4

All rights reserved. Information contained in this document is based on the latest information available at the time of printing and is subject to the copyright and other intellectual property rights of
Audi of America, Inc., its affiliated companies and its licensors. All rights are reserved to make changes at any time without notice. No part of this document may be reproduced, stored in a retrieval
system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, nor may these materials be modified or reposted to other sites, without the prior
expressed written permission of the publisher.