A6420762048934_6

64 Rear quarter glass intermittently retracts after closing convertible top
64 20 76 2048934/6 October 19, 2020. Supersedes Technical Service Bulletin Group 64 number 20-71 dated
April 7, 2020 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
6
-
Revised header (Added Model)
Revised Service (Updated procedure)
Revised Warranty (Updated Labor Operations)
5
04/07/2020
Revised header (Added Model Years)
Revised Service (Updated SW Version)
4
02/07/2019
Revised Service (Added Tip)
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 4
© 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
1. Check the part numbers for the rear window motors, if the installed part number is found in the table below, it
must be replaced with the part number specified.
Tip: The rear window lifter motor is a slave to the door control module. Use the diagnostic scan tool to
find the part numbers of the rear window lifter motors. Run the control module identification for each of the
door control modules then view the slave part number of the rear window lifter.
Rear Window Lifter Motor Position
Installed Part Number
Replacement Part Number
5Q0959812C
Left Rear
5Q0959407B
5Q0959812F
5Q0959811C
Right Rear
5Q0959408B
5Q0959811F
2. Read out the parametrization version for the rear window lifter from the drivers and passenger door control
modules.
Control Module Diagnostic Address
Measured Value Block
0042
Identification of parametrization for rear window lifter on driver side
0052
Identification of parametrization for rear window lifter on front passenger
side
3. If the parametrization version is less than 1A22, perform the ODIS control module replacement test plan on
the applicable door control module.
Note:
You do not have to physically replace the door control module, only run the replacement test plan to
recalculate the door control modules parameterization value.
Page 2 of 4
© 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.
SVM Update Instructions
4. Follow all instructions in TSB 2011732: 00 Software Version Management (SVM), operating instructions.
5. 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
8W5909873G
42A014
4M0959792H
0131
8W5909872G
42A014
6. 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)
When Replacing Left Rear Window Motor:
Page 3 of 4
© 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.
Window motor remove + reinstall
6454 1952
See SRT with
associated
operations
Window motor remove + reinstall
6454 1953
See SRT with
associated
operations
GFF
No allowance
0 TU
Road test prior to service procedure
No allowance
0 TU
Road test after service procedure
No allowance
0 TU
When Replacing Right Rear Window Motor:
Diagnostic Time:
Claim Comment:
As per TSB #2048934/6
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.
©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.
Page 4 of 4
© 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.