Technical Service Bulletin
91 Radio turns on and off or door locks actuate when vehicle is being driven
91 15 74 2019838/7 February 23, 2015. Supersedes Technical Service Bulletin Group 28 number 11-18 dated
November 9, 2011 for reasons listed below.
Model(s)

Year

VIN Range

Vehicle-Specific Equipment

A3

2008 - 2013

All

Not Applicable

TT

2008 - 2015

All

Not Applicable

R8

2008 - 2015

All

Not Applicable

Condition
REVISION HISTORY
Revision

Date

Purpose

7

-

Revised header data (Added model years)

6

11/9/2011

Revised header data (Added model years)

5

7/15/2011

Revised header data (Added 2011 R8 and VIN break)

4

10/28/2010

Revised header data (Added models and VIN breaks)

3

3/12/2010

Revised header data (Added R8 MY 2010 and VIN breaks for R8, A3, TT)

2

1/12/2010

Revised Condition (Added clock condition)

1

2/20/2009

Original publication

• Radio turns on and off while vehicle is being driven.
• Clock in radio sporadically does not work.
• Door locks actuate while vehicle is being driven.

Technical Background
There is a sporadic disruption of S-contact due to lubricant on the contact surface.

Production Solution
The S-contact is improved with a modified lubricant that has better electrical conductivity and improved viscosity.
In addition, 100% microscopic inspection is now in place.

© 2015 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
Service
Replace ignition switch.

Warranty
Claim Type:

Use applicable claim type. If vehicle is outside any warranty, this Technical Service Bulletin
is informational only.

Service Number:

2804

Damage Code:

0040

Labor Operations: Remove and install ignition switch

2804 1900

Diagnostic Time:

GFF

No allowance 0 TU

Road test prior to service procedure

0121 0002

10 TU

Road test after service procedure

0121 0004

10 TU

40 TU

Technical diagnosis at dealer’s discretion
(Refer to Section 2.2.1.2 and Audi Warranty Online for DADP allowance details)
Claim Comment:

As per TSB # 2019838/7

All warranty claims submitted for payment must be in accordance with the Audi Warranty Policies and Procedures
Manual. Claims are subject to review or audit by Audi Warranty.

Required Parts and Tools
The Parts Department only supplies improved ignition switches.

Additional Information
All parts and service references provided in this TSB (2019838) are subject to change and/or removal. Always
check with your Parts Department and service manuals for the latest information.

© 2015 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.