A4323772059841_4

Technical Service Bulletin
43 Rear suspension lowering does not work
43 23 77 2059841/4 June 1, 2023. Supersedes Technical Service Bulletin Group 43 number 22-67 dated August
3, 2022, for reasons listed below.
Model(s)
Year
Q7
2017 – 2024
Q8
2019 – 2023
SQ7
2020 – 2024
VIN Range
Vehicle-Specific Equipment
All
Not Applicable
SQ8, and RS Q8 2020 – 2023
Condition
REVISION HISTORY
Revision
Date
Purpose
4
-
Revised header (Add Model Years)
3
08/02/2022
Reposting to correct display error
2
07/08/2022
Revised header (Add Model Years)
Customer states:
• The rear suspension lowering is intermittently not available.
Workshop findings:
At least one of the two DTCs is logged in the suspension control module, J775 (address word 0074):
• DTC C11B515 (Button for high load level, interruption/short circuit to positive).
• DTC C11B615 (Button for low load level, interruption/short circuit to positive).
Technical Background
Page 1 of 3
© 2023 Audi of America, Inc.
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
If the button for the rear suspension lowering is
unintentionally operated when driving (for example by
objects moving in the trunk area), the rear suspension
lowering is sporadically not available (Figure 1).
Figure 1. Location of the controls for lowering the rear
suspension.
Production Solution
Not Applicable
Service
1. Explain the functionality of the system to the customer, including the possibility of unintentionally operated
when driving.
Note:
Do not replace the J775 or the button for the rear suspension lowering or any other component in the vehicle.
Warranty
This TSB is informational only and not applicable to any Audi warranty.
Additional Information
All parts and service references provided in this TSB (2059841) are subject to change and/or removal.
©2023 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
Page 2 of 3
© 2023 Audi of America, Inc.
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
these materials be modified or reposted to other sites, without the prior expressed written permission of the
publisher.
Page 3 of 3
© 2023 Audi of America, Inc.
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.