A091701 2046321-

09 MY16/17 Q3, A6, A3 LED Control Module Water Ingress - Repair Authorization
09 17 01 2046321/2 March 6, 2017. Supersedes Technical Service Bulletin Group 09 number 16-00 dated
December 19, 2016 for reasons listed below.
Model(s)
Year
VIN Range
Vehicle-Specific Equipment
A3, A6, Q3
2016 - 2017
All
Not Applicable
Condition
REVISION HISTORY
Revision
Date
Purpose
2
-
Revised header data (Updated chassis numbers)
1
12/19/2016
Initial publication
Customer may report that the headlight is inoperative and water may be present in the headlight.
The following DTCs may be present:
 DTC B12ECF2 (open circuit/short circuit to B+) Left daytime running lamp and parking lamp LED module
Supply
 DTC B12EDF2 (open circuit/short circuit to B+) Right daytime running lamp and parking lamp LED module
Supply
Technical Background
In an effort to gain information on the DTC codes for the vehicles listed above, we are asking that you contact the
Audi Technical Assistance Center (TAC) before replacing any parts. This will assist us in diagnosing any potential
issues with the condition noted above.
Production Solution
No changes to production have been made, as no issue has been identified.
Page 1 of 3
© 2017 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
Audi of America is requesting your cooperation in supplying us with technical information
regarding this condition.
1. Verify the condition- check for
water ingress on the LED
control module (4G0907397R)
(Figure 1).
Figure 1. LED control module with evidence of water
ingress.
2. If the vehicle is within the New Vehicle Limited Warranty, contact a TAC consultant before
proceeding. Please attach the DTC and diagnostic log to the TAC ticket.
Page 2 of 3
© 2017 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.
Warranty
This TSB is informational only and not applicable to any Audi Warranty.
Additional Information
All parts and service references provided in this TSB (2046321) are subject to change and/or removal. Always
check with your Parts Department and service manuals for the latest information.
©2017 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 3 of 3
© 2017 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.