A6423942070094_2

Service Bulletin Details

Public Details for: A6423942070094_2

This bulletin provides information for when the rear window reverses direction at upper stop. Dtc: B148754 stored in door module.


- 2024 - 2023 - 2022 - 2021 -

Technical Service Bulletin
64 Rear window reverses direction at upper stop. DTC: B148754 stored in door module
64 23 94 2070094/2 September 19, 2023. Supersedes Technical Service Bulletin Group 64 number 23-89 dated
April 20, 2023, for reasons listed below.
Model(s)
Year
VIN Range
2021 – 2023
All
Ingolstadt
A4, A4 allroad,
and S4
2024
000001 – 007974
Vehicle-Specific Equipment
Not Applicable
Neckarsulm
000001 – 001410
Condition
REVISION HISTORY
Date
Purpose
-
Revised header (Added VIN breaks for MY24)
04/21/23
Initial publication
Customer states:
One or both rear windows cannot be closed using the one-touch feature. The window reverses direction
immediately when the upper stop is reached.
Workshop findings:
The following DTC may be stored intermittently in the left and/or right rear door module -J388- or -J389(diagnostic address 00BB or 00BC):
•
DTC B14874B: Motor for window regulator excess temperature.
Technical Background
Software issue within the door module.
Production Solution
Not applicable.
Service
© 2023 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
Note: This TSB does not relate to situations where B148754 Motor for window regulator no basic
setting (Static) is stored upon initial scan of the vehicle. For these concerns repair as needed.
In cases where DTC B14874B is stored in the left and/or right rear door modules, carry out a 30 power reset of
the door module using the steps below.
• Reset the two rear door modules by removing fuses 7 and 11 in fuse carrier C (black).
• Wait 2 minutes, then reinsert the fuses.
• If the basic settings were lost within the door module(s) reset the basic settings using the shop tester or by
pulling the window regulator switches upwards for approximately 2 seconds after closing the windows
manually.
• Clear all faults and re-evaluate.
Warranty
Claim Type:
• 110 Up to 48 Months/50,000 Miles.
• G10 for CPO Covered Vehicles – Verify Owner.
• If the vehicle is outside of any warranty, this Technical Service Bulletin is
informational only.
Service Number:
6438
Damage Code:
0040
Labor Operations:
Reset door module
6438 4199
20 TU
Diagnostic Time:
GFF
0150 0000
Time stated on
the diagnostic
protocol (Max 100
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 2070094/2
Claim Comment:
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
© 2023 Audi of America, Inc.
Tool Description
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
VAS 6160/VAS 6150
VAS tester with the current version of ODIS (Windows 10)
Additional Information
All part and service references provided in this TSB (2070094) 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.
©2023 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.
© 2023 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.


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