A6423892070094_1

Technical Service Bulletin
64 Rear window reverses direction at upper stop. DTC: B148754 stored in door module
64 23 89 2070094/1 April 20, 2023.
Model(s)
Year
VIN Range
Vehicle-Specific Equipment
A4 allroad, A4,
and S4
2021 – 2024
All
Not Applicable
Condition
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
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.
Page 1 of 3
© 2023 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.
Technical Service Bulletin
•
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 2070094/1
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
Tool Description
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
Page 2 of 3
© 2023 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.
Technical Service Bulletin
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
© 2023 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.