A5721732055932_7

57 Central locking/parking brake warning, alarm or exterior mirror issues, DTCs B122D29, B14FF29 or
U122800 stored
57 21 73 2055932/7 February 5, 2021. Supersedes Technical Service Bulletin Group 57 number 21-72 dated
February 3, 2021 for reasons listed below.
Model(s)
Year
VIN Range
Vehicle-Specific Equipment
A6, A7, A8,
and Q8
2019 - 2020
All
Not Applicable
Condition
REVISION HISTORY
Revision
Date
Purpose
7
-
Revised Service (Removed Step 3 as it is not applicable anymore)
Revised Warranty (Removed Labor Operation)
Revised Required Parts and Tools (Removed table)
6
02/03/2021
Revised header (Updated included software)
Revised Service (Updated SVM table)
5
06/16/2020
Revised title
Revised Condition (Added alarm activation by Advanced key)
Revised Service (Updated instructions and SVM table)
Customer states:
 The message "Central locking malfunction!" or "Parking brake malfunction!" appears in the instrument cluster.
 The alarm goes off when opening the vehicle with the Advanced key.
 Exterior mirror adjusts downwards when backing up, but does not return to its original position upon leaving
the reverse gear.
Workshop findings:
 The affected door may temporarily not be electronically unlocked from the inside, but a mechanical opening is
possible.
 Historical data of alarm activation shows door contact switch as the last reason for alarm activation.
One or more of the following DTC(s) may be stored relating to the driver door control module, J386 (address word
0042), ABS control module, J104 (address word 0003), front passenger door control module, J387 (address word
0052), and/or a rear door control modules J388 or J389 (address word 00BB or 00BC):
Page 1 of 8
© 2021 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.
Driver door control module:
 DTC B122D29 (locking unit for central locking - implausible signal).
ABS control module:
 DTC U122800 (Driver door control unit implausible).
Front passenger door control module:
 DTC B122D29 (locking unit for central locking - implausible signal).
Rear door control modules:
 DTC B14FF29 (Motor for child lock, implausible signal).
 DTC B122D29 (locking unit for central locking - implausible signal).
Technical Background
The software needs to be updated.
Production Solution
New software in the door electronics control module, J386 – J389 (0042 – drivers, 0052 passenger, 00BB rear
driver’s side, and 00BC rear passenger side) addressed the condition.
Service
SVM Update Instructions
Note:
A6, A6 allroad, and A7: Do not follow this TSB. Please perform Campaign 72K6 instead since it also contains
the software update described in this TSB.
1. Follow all instructions in TSB 2011732: 00 Software Version Management (SVM), operating instructions.
Tip: Prior to performing SVM, to ensure door control modules are awake, roll all windows all the way
down, then all the way back up.
2. Update the door electronics control modules (0042 – drivers, 0052 passenger, 00BB rear driver’s side, and
00BC rear passenger side) using the SVM action code as listed in the table below, if necessary.
3. Perform basic settings of all four windows.
Page 2 of 8
© 2021 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.
Tip: After SVM, be sure to cycle the child lock on both rear doors.
Model
Diagnostic
Address
Old
Hardware
Old
Software
New
New
Old
New
SVM
Hardware
Software
Software
Software
Code
Part Number Part Number Version Part Number Part Number Version
0846
4M1959593B 4M1959593C
0848
0849
0180
0186
4M1959593D
0187
4M1959593D 4M1959593J
0188
4M1959593D
0189
A6
(C8),
4M1959593J
A6
Avant
(C8),
A7
(C8),
0421
0425
0846
4M1959793B 4M1959793C
0042
0848
430
0849
42A021
0180
A8
(D5),
0186
4M1959793D
Q8
0187
4M1959793D 4M1959793J
0188
4M1959793D
0189
4M1959793J
0421
0425
0946
4M1959953C
4M1959953C
0948
0949
4M1959953D
4M1959953C 4M1959953J
0180
Page 3 of 8
© 2021 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.
0186
0187
0188
0189
4M1959953J
0421
0425
0846
4M1959592B 4M1959592C
0848,
0849
0180
0186
4M1959592D
4M1959592D 4M1959592J
0187
0188
4M1959592D
0189
4M1959592J
0421,
0425
4M1959792B 4M1959792C
0846,
0848,
0849
0052
0180
0186
4M1959792D
0187
4M1959792D 4M1959792J
0188
4M1959792D
0189
4M1959792J
0421
0425
0946
4M1959952C
0948
0949
4M1959952C
4M1959952D
4M1959952C 4M1959952J
0180
0186
Page 4 of 8
© 2021 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.
0187
0188
0189
4M1959952J
0421
0425
0846
4M1959595B 4M1959595C
0848
0849
0180
0186
4M1959595D
0187
4M1959595D 4M1959595J
0188
4M1959595D
0189
4M1959595J
0421
0425
0846
4M1959795B 4M1959795C
0848
0849
00BB
0180
0186
4M1959795D
0187
4M1959795D 4M1959795J
0188
4M1959795D
0189
4M1959795J
0421
0425
0946
4M1959955C
0948
0949
4M1959955C
4M1959955D
4M1959955C 4M1959955J
0180
0186
Page 5 of 8
© 2021 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.
0187
0188
0189
4M1959955J
0421
0425
0846
4M1959595B 4M1959595C
0848
0849
0180
0186
4M1959595D
0187
4M1959595D 4M1959595J
0188
4M1959595D
0189
4M1959595J
0421
0425
0846
4M1959795B 4M1959795C
0848,
0849
00BC
0180
0186
4M1959795D
0187
4M1959795D 4M1959795J
0188
4M1959795D
0189
4M1959795J
0421
0425
0946
4M1959955C
0948,
0949
4M1959955C
4M1959955D
4M1959955C 4M1959955J
0180
0186
Page 6 of 8
© 2021 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.
0187
0188
0189
4M1959955J
0421
0425
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 (Includes checking for DTCs)
0151 0000
Time stated on
the diagnostic
protocol (Max
100 TU)
Diagnostic Time:
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
Claim Comment:
As per TSB #2055932/7
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 will be necessary to complete this procedure:
 TSB 2011732, 00 Software Version Management (SVM), operating instructions.
All part and service references provided in this TSB (2055932) 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.
Page 7 of 8
© 2021 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.
©2021 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 8 of 8
© 2021 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.