A2724662072960_1

Technical Service Bulletin
27 Repair Authorization - MY 24 BSG, Electrical Warning, DTC U046900 + B200096
27 24 66 2072960/1 February 9, 2024.
Model(s)
Year
VIN Range
Vehicle-Specific Equipment
A6, A6 allroad,
S6, RS 6 Avant,
A7, S7, RS 7,
A8, S8, Q7, SQ7,
Q8, SQ8, and
RS Q8
2024
All
Not Applicable
Condition
Customer states:
A yellow or red Electrical Supply warning is displayed in the instrument cluster.
Page 1 of 3
© 2024 Audi of America, Inc.
Internal
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
Figure 1: Cluster Warning Message.
Workshop findings:
One or more of the following DTCs may be stored in the Engine Electronics, J623 (address word 0001) and/or the
Starter Generator, C29 (address word 00CC):
 U046900: Invalid Data Received From Starter / Generator Control Module – Symptom 36564 (Diagnostic
Address 0001).
 B200096: Faulty control Module (Diagnostic address CC).
Technical Background
Page 2 of 3
© 2024 Audi of America, Inc.
Internal
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
In an effort to gain information on the DTC codes for the vehicles listed above, we are asking that you contact the
Audi Technical Assistance Center (TAC) before replacing any parts. This will assist us in diagnosing any potential
issues with the condition noted above.
Production Solution
No changes to production have been made, as no issue has been identified.
Service
Audi of America is requesting your cooperation in supplying us with technical information regarding this condition.

Verify the condition and document with images of the cluster.

Identify the hardware part number in diagnostic address CC. Identify if the part number is either 4N1.903.028,
4N1.903.028.B or 4N0.903.028.S.

If the vehicle is within the New Vehicle Limited Warranty, contact a TAC consultant before proceeding. Please
attach the DTC, diagnostic log, and picture of the warning displayed in the cluster as shown in Figure 1 to the
TAC ticket.
Warranty
This TSB is informational only and not applicable to any Audi Warranty.
Additional Information
All parts and service references provided in this TSB (2072960) are subject to change and/or removal. Always
check with your Parts Department and/or ETKA for the latest information and parts bulletins. Please check the
Repair Manual for fasteners, bolts, nuts, and screws that require replacement during the repair.
©2024 Audi of America, Inc. All rights reserved. The 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.
Page 3 of 3
© 2024 Audi of America, Inc.
Internal
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.