64 Rear quarter glass intermittently retracts after closing convertible top
64 20 71 2048934/5 April 7, 2020. Supersedes Technical Service Bulletin Group 64 number 19-63 dated
February 7, 2019 for reasons listed below.
Model(s)

Year

VIN Range

Vehicle-Specific Equipment

A5 Cabriolet

2018 - 2020

All

Not Applicable

Condition
REVISION HISTORY
Revision

Date

Purpose

5

-

Revised header (Added Model Years)
Revised Service (Updated SW Version in the table)

4

02/07/2019

Revised Service (Added Tip)

3

10/19/2018

Revised header (Added filters and updated VIN break)
Revised Service (Updated SVM table versions)
Revised Warranty (Added Labor Operation)

Customer states:
 After operating the convertible top, the rear quarter glass rolls down automatically.
 This condition occurs intermittently and can occur on one, or both rear quarter glass.

Technical Background
Not applicable.

Production Solution
New software in the front passenger door control module, J387 (address word 0052) and driver door control
module, J386 (address word 0042) addressed the condition.

Page 1 of 3
© 2020 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
SVM Update Instructions
1. Follow all instructions in TSB 2011732: 00 Software Version Management (SVM), operating instructions.
2. Update the driver door control module, J386 (address word 0042) or the front passenger door control
module, J387 (address word 0052) using the SVM action code as listed in the table below, if necessary:
Tip: Prior to starting the SVM update, open all windows completely, then fully close all windows via the
driver’s door window switches. This will help to ensure that the door control modules are properly read into
ODIS.

Model

Control
Module
Diagnostic
Address

A5 Cab

0042

A5 Cab

0052

Old Software
Part Number

New Software
Part Number

New Software New ZDC
Version

SVM Code
Input

(or higher)
4M0959793F
4M0959793H
4M0959792F
4M0959792H

4M0959793H

0131

4M0959792H

0131

8W5909873G

8W5909872G

42A014

42A014

3. Perform basic settings of all four windows.

Warranty
Claim Type:

 110 up to 48 Months/50,000 Miles.
 G10 for CPO Covered Vehicles – Verify Owner.
 If the vehicle is outside any warranty, this Technical Service Bulletin is informational
only.

Service Number:

6438

Damage Code:

0039

Labor Operations:

Software Update

0151 0000

Time stated on
the diagnostic
protocol (Max
100 TU)

Page 2 of 3
© 2020 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.

Diagnostic Time:

Claim Comment:

GFF

No allowance

0 TU

Road test prior to service procedure

No allowance

0 TU

Road test after service procedure

No allowance

0 TU

As per TSB #2048934/5

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.

Additional Information
The following Technical Service Bulletin(s) will be necessary to complete this procedure:
 TSB 2011732, 00 Software Version Management (SVM), operating instructions.
All parts and service references provided in this TSB (2048934) 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. 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
© 2020 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.