A8723542071139_2
Service Bulletin Details
Public Details for: A8723542071139_2
This bulletin provides information for when the hvac blower setting adjustment is not possible.
Models from 2022
Models from 2021
Technical Service Bulletin 87 HVAC blower setting adjustment not possible 87 23 54 2071139/2 August 25, 2023. Supersedes Technical Service Bulletin Group 87 number 23-48 dated August 8, 2023 for reasons listed below. Model(s) Year A6, S6, A6 allroad, RS 6 Avant, A7, A7 e quattro, S7, RS 7, A8, S8, e-tron 2021 – 2022 quattro, e-tron Sportback quattro, A7, SQ7, Q8, SQ8, and RS Q8 A8 e quattro 2021 e-tron S quattro, e-tron GT, and RS e-tron GT 2022 VIN Range Vehicle-Specific Equipment All Not Applicable Condition REVISION HISTORY Revision Date Purpose 2 - Revised header (Add Models) 1 08/08/2023 Initial publication Customer states: On rare occasions the fan control strip in the lower HVAC screen used for increasing or decreasing the fan speed does not appear (Figures 1-2). Figure 1. Normal HVAC control panel appearance. © 2023 Audi of America, Inc. Page 1 of 3 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 Workshop findings: This symptom is difficult to reproduce. When the symptom occurs the center strip for the fan control is blank. The fan speed cannot be controlled. Figure 2. Appearance of HVAC control with the fan speed strip blank. Technical Background The technical background regarding this intermittent symptom in the infotainment system is in analysis. A service solution is in discussion. Production Solution Not applicable. Service Please explain to the customer that, should this symptom occur, a restart of the MMI system will restore the fan control to the screen. Demonstrate to the customer the process by pressing and holding the on/off button for at least 10 seconds. The restart should take less than a minute. The procedure for performing the MMI restart can be done on their own as described in their owner’s manual (“Restarting the MMI” – figure 3). Figure 3. Owner’s manual instructions for restarting the MMI. Do not replace any parts should the vehicle exhibit this symptom. Parts replacement will not solve this issue. Any parts replaced for this condition under warranty will be debited. Warranty This TSB is informational only and not applicable to any Audi Warranty. © 2023 Audi of America, Inc. Page 2 of 3 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 Information All part and service references provided in this TSB (2071139) 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. ©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 these materials be modified or reposted to other sites without the prior expressed written permission of the publisher. © 2023 Audi of America, Inc. Page 3 of 3 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.