A911897

91 Apple CarPlay: No audio when listening to SXM, FM, or AM
91 18 97 2051241/1 May 4, 2018.
Model(s)
Year
VIN Range
Vehicle-Specific Equipment
All
2017 - 2020
All
With Audi Smartphone Interface (ASI)
Condition
The customer states while listening to SiriusXM
Satellite Radio, FM Radio, or AM Radio, there is
no audio heard after ending a phone call when
connected to Apple CarPlay. When adjusting the
volume the customer sees a message on the
MMI screen of “Phone call”, which indicates the
phone call audio is still active even after the call
has ended (Figure 1).
Figure 1. “Phone call” audio control with no sound.
Technical Background
The issue only occurs when the following conditions exist:
 The customer’s iPhone is connected to the MMI via USB and Apple CarPlay is active.
 The customer is listening to either SiriusXM Satellite Radio, FM Radio, or AM Radio.
 The customer ends an incoming phone call which was received via Apple CarPlay.
The issue is a known Apple CarPlay software bug which is present in iOS 11.X and 10.X. Apple has confirmed
the fix for this condition is planned for iOS 12.X. This release is planned for late summer to early fall of 2018.
Production Solution
Not applicable.
Page 1 of 2
© 2018 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.
Service
The customer expectation is that after an incoming call is ended, the audio control and sound would return to the
last used media source, which is SiriusXM, FM, or AM radio in this scenario.
Please communicate these work-around solutions to the customer.
Temporary Work-Around Solutions:
 Once the condition is present, the customer can resume audio from SXM/FM/AM by switching to Apple
CarPlay and playing audio from any music source within Apple CarPlay. For instance, start a song using the
Apple Music App, Spotify, or Pandora. The customer can simply start and stop the song. Doing so allows
CarPlay to properly release the audio to the MMI. From there the customer can switch back to the MMI radio
source they were originally listening to (SXM/FM/AM).
OR
 The customer must disconnect and reconnect the USB cable and then can they select SXM/FM/AM and
continue listening to the original radio source. This should only be done under safe conditions, or by a
passenger, and should never be performed while driving.
Warranty
This TSB is informational only and not applicable to any Audi Warranty.
Additional Information
All parts and service references provided in this TSB (2051241) 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.
©2018 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.
Page 2 of 2
© 2018 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.