A911426 2036576-

Technical Service Bulletin
91 MMI freezes or crashes and restarts when telephone address book is searched
91 14 26 2036576/1 February 24, 2014.
Model(s)
Year
VIN Range
Vehicle-Specific Equipment
A4, A5, A5
Cabriolet, A8, Q5
2010-2015
All
MMI3G/3G+
A6, A7
2012-2015
All
MMI3G/3G+
Q7
2009-2015
All
MMI3G/3G+
Condition
When a phone is connected to the vehicle via Bluetooth, one of the following conditions occurs when the user
searches for a contact name in the MMI address book (by using the MMI control knob or the voice recognition
system):
• The MMI screen goes blank then restarts.
• The MMI screen freezes for a few minutes then recovers.
Technical Background
This condition occurs because special characters (including symbols,
emoticons, or map icons) are stored in the name field of a phonebook contact
(Figure 1).
Figure 1. Special characters
stored in the name field of a
phonebook contact.
© 2014 Audi of America, Inc.
Page 1 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.
Technical Service Bulletin
Production Solution
Not applicable.
Service
Check all of the phonebook contact fields (first name, last name, company, phone number, etc.) that have been
transferred to the vehicle. If special characters are stored in any field, ask the customer to remove them. For
additional information, see TSB 2026390, 91 Bluetooth - MMI freezes or voice recognition inoperable due to phone
book.
Note:
Replacement of the MMI main unit or of the telephone control unit will not fix the condition.
Warranty
This TSB is informational only and not applicable to any Audi warranty.
Additional Information
The following Technical Service Bulletin may be necessary to complete this procedure:
• TSB 2026390: 91 Bluetooth - MMI freezes or voice recognition inoperable due to phone book
All parts and service references provided in this TSB (2036576) are subject to change and/or removal. Always
check with your Parts Department and service manuals for the latest information.
© 2014 Audi of America, Inc.
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.