A911388 2021780-

Technical Service Bulletin
91 Generation 3 CAN radio: CD drive malfunction
91 13 88 2021780/4 July 2, 2013. Supersedes Technical Service Bulletin Group 91 number 10-70 dated October
26, 2010 for reasons listed below.
Model(s)
Year
A4 / S4
2009 – 2015
A5 / S5
2008 – 2015
A5 / S5
Cabriolet
2010 – 2015
Audi Q5
2009 – 2015
VIN Range
Vehicle-Specific Equipment
All
Gen III CAN radio (non-Navigation)
Condition
REVISION HISTORY
Revision
Date
Purpose
4
-
Revised header data (added model years and DTC information)
Revised Condition (added PR information)
3
10/26/2010
Revised Condition and Technical Background
2
4/27/2010
Revised header data (added model year)
Revised Warranty
1
10/08/2009
Original publication
• The following sequence of error messages is seen on the radio display screen after a CD was loaded into or
removed from the internal CD drive:
• “Drive defective.
The error could be corrected by resetting it (see
radio system owner’s manual). Otherwise,
contact your Audi dealer.” (Figure 1)
© 2013 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
Figure 1. The “Drive defective” error message.
• “The CD-drive is damaged and was therefore
deactivated.” (Figure 2)
Figure 2. The “damaged CD drive” error message.
• The CD drive cannot be selected in the Source
list and is described as “damaged.” (Figure 3)
Figure 3. CD drive is not available in the Source
selection screen.
• After the ignition is cycled or a radio reset performed, the CD drive is fully operational.
• DTC 00468 (CD-ROM Drive -R92- Faulty) is stored in the radio (address word 56).
The DTC will be sporadic if the ignition has been cycled or a radio reset performed and will automatically be
cleared after 40 ignition cycles without a reoccurrence.
• Only vehicles with the CAN-based generation 3 radio (Concert (PR 8UQ) or Symphony (PR 8YN)) are affected.
Technical Background
The CD drive temporarily deactivates and the radio stores an internal fault if any of the following occur:
• The CD is not inserted far enough into the slot to be detected by the mechanical pick-up.
• The CD hits an obstacle during ejection, preventing proper travel.
• The CD is pulled out or held while being inserted.
After the ignition is cycled or a radio reset performed, the radio initiates an internal function check. If the function
check is successful, the radio reactivates the CD drive. As a result, the DTC entry is changed to sporadic.
© 2013 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
Production Solution
Not applicable.
Service
1. Do not replace the radio. The CD drive is fully functional after an ignition cycle or radio reset is performed.
2. Erase and ignore the CD drive faulty DTC.
3. Explain the behavior to the customer to prevent a reoccurrence of the complaint.
Warranty
This TSB is informational only and not applicable to any Audi warranty.
Additional Information
All parts and service references provided in this TSB (2021780) are subject to change and/or removal. Always
check with your Parts Department and service manuals for the latest information.
© 2013 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.