A9419162055123_2

94 Rear lighting warning displayed in the instrument cluster
94 19 16 2055123/2 October 22, 2019. Supersedes Technical Service Bulletin Group 94 number 19-07 dated
May 28, 2019 for reasons listed below.
Model(s)
Year
VIN Range
Vehicle-Specific Equipment
Q5
2018 - 2020
All
Not Applicable
A6, A7, and
A8
2019 - 2020
All
Not Applicable
Condition
REVISION HISTORY
Revision
Date
Purpose
2
-
Revised header (Added MY2020)
Revised Technical Background (Added information)
Revised Production Solution (Added information)
Revised Service (Changed to SVM update)
Revised Warranty (Changed to SVM update)
1
05/28/2019
Initial publication
Customer states:
 There is a warning message regarding a failure of the rear lighting displayed in the instrument cluster.
A6, A7, and A8:
 The rear lighting operates properly.
Q5:
 The rear lighting function is switched to the lower bumper as if the trunk is open.
Workshop findings:
One or more of the following DTCs are stored as static or sporadic in the comfort system central control module,
J393 (address word 0046):
 DTC B12C315 (Right brake light bulb, interruption/short circuit to positive).
 DTC B12C215 (Left brake light bulb, interruption/short circuit to positive).
 DTC B133A15 (Bulb for left brake and tail light, interruption/short circuit to positive).
 DTC B133C15 (Bulb for right brake and tail light, interruption/short circuit to positive).
Page 1 of 3
© 2019 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.
 DTC B12BE15 (Left tail light bulb, interruption/short circuit to positive).
 DTC B12BF15 (Right tail light bulb, interruption/short circuit to positive).
 DTC B12C615 (Bulb for high-level brake light, interruption/short circuit to positive).
Technical Background
A loss of communication between the internal components of the comfort system central control module, J393
(address word 0046) can result in the warning and faults displayed.
Production Solution
Optimized software is now available for the comfort system central control module, J393 (address word 0046).
Service
SVM Update Instructions
1. Follow all instructions in TSB 2011732: 00 Software Version Management (SVM), operating instructions.
2. Update the comfort system central control module, J393 (address word 0046) using the SVM action code as
listed in the table below, if necessary:
Model
A6, A7, A8,
and Q5
Old Software
Part Number
4N0907064*
Old
Software
Version
*
New Software
Part Number
New Software SVM Code
Version
Input
(or higher)
4N0907064*
0183
46A029
Tip: Keep the key placed against the reader coil for the duration of the flash.
Warranty
Claim Type:
 110 up to 48 Months/50,000 Miles.
 G10 for CPO Covered Vehicles – Verify Owner.
Page 2 of 3
© 2019 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.
 If the vehicle is outside any warranty, this Technical Service Bulletin is informational
only.
Service Number:
5789
Damage Code:
0039
Labor Operations: Software Update
Diagnostic Time:
Claim Comment:
0151 0000
Time stated on
the diagnostic
protocol (Max
100 TU)
GFF
No allowance
0 TU
Road test prior to the service procedure
No allowance
0 TU
Road test after the service procedure
No allowance
0 TU
As per TSB #2055123/2
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
Tool Number
Tool Description
VAS 61XX
ODIS Service with VAS tester
Additional Information
All part and service references provided in this TSB (2055123) 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.
©2019 Audi of America, Inc. All rights reserved. The 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
© 2019 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.