57 Central locking/parking brake warning, alarm or exterior mirror issues, DTCs B122D29, B14FF29 or
U122800 stored
57 20 68 2055932/5 June 16, 2020. Supersedes Technical Service Bulletin Group 57 number 19-62 dated
December 20, 2019 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

5

-

Revised title
Revised Condition (Added alarm activation by Advanced key)
Revised Service (Updated instructions and SVM table)

4

12/20/2019

Revised Warranty (Updated Labor Operation)

3

10/04/2019

Revised Condition (Added DTC)

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):
Driver door control module:
 DTC B122D29 (locking unit for central locking - implausible signal).
ABS control module:

Page 1 of 7
© 2020 Audi of America, Inc.
All rights reserved. Information contained in this document is based on the latest information available at the time of prin ting 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 th e
publisher.

 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
1. Follow all instructions in TSB 2011732: 00 Software Version Management (SVM), operating instructions.
Tip: Prior to performing SVM, to insure 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.
Tip: Parts indicated below with an *, additionally in the replacement reference, require part replacement
prior to performing SVM (A7 and A8 only).
3. After replacing the required parts (A7 and A8), continue with SVM update.
4. Perform basic settings of all four windows.
Tip: After SVM, be sure to cycle the child lock on both rear doors.

Door Control Module Replacement Reference Table (A7 and A8)

Page 2 of 7
© 2020 Audi of America, Inc.
All rights reserved. Information contained in this document is based on the latest information available at the time of prin ting 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 th e
publisher.

Address

Original Part Number

Replacement Part Number

4M1959593C

4M1959593J

4M1959793C

4M1959793J

4M1959592C

4M1959592J

4M1959792C

4M1959792J

4M1959595C

4M1959595J

4M1959795C

4M1959795J

4M1959595C

4M1959595J

4M1959795C

4M1959795J

0042

0052

00BB

00BC

Model Diagnostic Old Hardware Old Software New Hardware New Software
Address

Part Number Part Number

New ZDC

Part Number

Part Number

Number

4M1959955C

4M1959955J

4M1959795D

4M1959795J 4N0909896C

New ZDC SVM Code
Version

4M1959955J
4M1959955C 4M1959955D
4M1959955C
4M1959795J
4M1959795D
A8

4M1959795D

50

4M1959795B 4M1959795C
00BC

4M1959595J

42A021

4M1959595D
4M1959595D

4M1959595D

4M1959595J

4M1959795D

4M1959795J

4M1959595B 4M1959595C
4M1959795J
4M1959795D
4M1959795D
Q8

4M8909896C

24

4M1959595J
4M1959595D

4M1959595D

4M1959595J

4M1959595D

Page 3 of 7
© 2020 Audi of America, Inc.
All rights reserved. Information contained in this document is based on the latest information available at the time of prin ting 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 th e
publisher.

4M1959795J
4M1959795D

4M1959795D

4M1959795J

4M1959795D
37
4M1959595J
A6,A7

4M1959595D

4M1959595D

4M1959595J

4K8909896C

4M1959795B 4M1959795C

4M1959795D

4M1959795J

4M1959595B 4M1959595C

4M1959595D

4M1959595J

4M1959955C

4M1959955J

4M1959795D

4M1959795J 4N0909897C

4M1959595D

4M1959595J

4M1959795D

4M1959795J

4M1959595D
35
4M1959955J
4M1959955C 4M1959955D
4M1959955C
4M1959795J
4M1959795D
A8

4M1959795D

50

4M1959795B 4M1959795C
4M1959595J
4M1959595D
4M1959595D
4M1959595B 4M1959595C
00BB

4M1959795J
4M1959795D

24

4M1959795D
Q8

4M8909897C
4M1959595J
4M1959595D

4M1959595D

4M1959595J

4M1959795D

4M1959795J

4M1959595D
4M1959795J