Technical Service Bulletin
90 ACC / HUD: set speed shown in head-up display differs from the Audi virtual cockpit
90 24 06 2074395/1 June 28, 2024.
Model(s)

Year

VIN Range

Vehicle-Specific Equipment

Q4 e-tron, and
Q4 Sportback etron

2022 - 2024

All

Not Applicable

Condition
Customer states:
• The set speed of the adaptive cruise control is different in the head-up display (HUD) compared to the
instrument cluster (Figures 1 and 2).

Figure 1. Audi virtual Figure 2. Head-up display.
cockpit.
Workshop findings:
• The customer statement can be reproduced.
• The figure shown on the HUD is always rounded up.

Technical Background
Concept at the time of vehicle production.

Production Solution
© 2024 Audi of America, Inc.
Internal

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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
Change of the display concept with software version 4141 in the Information electronics (MMI) -J794-(address
word 005F).

Service
• This TSB closes PSS 2071753: 91 PSS ACC set speed in the Head-up Display (HUD) does not match with the
set speed the instrument cluster.
No measure to update the software of the control unit for the MMI (diagnostic address 005F) to the latest version
is planned.

Warranty
This TSB is informational only and not applicable to any Audi Warranty.
Do not replace parts or attempt repairs. Unjustified labor / replacement parts will be debited. Invoicing under
warranty is not permitted.

Additional Information
All part and service references provided in this TSB (2074395) 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.

© 2024 Audi of America, Inc.
Internal

Page 2 of 2

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.