Service Information
Offboard Diagnostic Information System Service (ODIS Service)

Number: AOS-25-39

Subject: A - Battery, Adaptation runs in a loop with no ending
Hotfix Instructions

Date: July 17, 2025

Hotfix Alert!
Issue seen: A - Battery, Adaptation test runs into loop while performing the reset the 12-v battery warning counter.
The test advises switching the ignition off, flashers on, ignition, flashers off. As soon as you follow the procedure and
continue to go to the next step, the test will loop back to the same procedure.

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Function test plan effected: A - Battery, Adaptation test plan
Vehicle effected: 2025 Q4_e_tron
Hotfix number: A_V_2.38.6_FIX_RESET_BD_____20250716-094603
ODIS software version needed for this hotfix: Audi brand version 2.38.6

Important:
We recommend installation of this hotfix on one diagnostic device ONLY. Hotfix must
be removed immediately after performing the procedure.
© 2025 Audi of America, Inc.
Public

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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.

Service Information
1.0 Download Hotfix
1. Open a Web Browser on the diagnostic device and log on to AccessAudi.com
2. Navigate to Elsa2Go>Service References>Software/Hardware Updates
3. Search for AOS-25-39 A - Battery, Adaptation runs in a loop with no ending Hotfix Zip File
4. Click the AOS-25-39 A - Battery, Adaptation runs in a loop with no ending Hotfix Zip File icon
and save it to your Windows desktop.
5. Close your browser.
6. Browse to the desktop and double-click the AOS-25-39 A – Battery, Adaptation runs in a loop with
no ending Hotfix Zip File to open it.
7. Right click the file (example only) name and select Copy:

8. Right click anywhere on the Windows desktop and select Paste. This file icon (example) must appear
on the desktop:

(continued)

© 2025 Audi of America, Inc.
Public

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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.

Service Information
2.0 – Install Hotfix into ODIS Service
1. Open ODIS Service (“Run as Administrator”)

2. Expand the Data submenu and click Download (under Hotfix):

3. Click Continue:

© 2025 Audi of America, Inc.
Public

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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.

Service Information
4. The Directory selection window will appear. Browse to and highlight the Hotfix file (example only),
then click Select Folder:

5. Click OK:

6. Perform the diagnostic procedure.

Important:
The Hotfix must be removed after performing the procedure. Failure to do so will
cause other vehicle diagnostics sessions to malfunction.

© 2025 Audi of America, Inc.
Public

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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.

Service Information
3.0 – Uninstall the Hotfix from ODIS Service
1. Select Erase (under Hotfix), then Continue:

2. Click OK and close ODIS Service:

(continued)

© 2025 Audi of America, Inc.
Public

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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.

Service Information
For questions or concerns, please reach out to David Provonche, 248-754-6091.
extern.dave.provonche@audi.com
Audi GFF / ODIS Validation / Service42 Research
VWGoA, Inc.
Product Quality & Technical Service

© 2025 Audi of America, Inc.
Public

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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.