57 Vehicle locking system, diagnostic information
57 21 75 2022032/9 April 1, 2021. Supersedes Technical Service Bulletin Group 57 number 19-54 dated March
13, 2019 for reasons listed below.
Model(s)

Year

VIN Range

Vehicle-Specific Equipment

All

2005 - 2022

All

Not Applicable

Condition
REVISION HISTORY
Revision Date

Purpose

9

-

Revised header (Updated MY)

8

03/13/2019

Revised header (Added MY 2019)
Revised Service (Updated opening and added tables)

7

06/29/2016

Revised header (Added A4 (8W), Q7(4M), and model years)
Revised Service (Added information for A4 (8W) and Q7(4M))

The customer asks about the operation of locking the vehicle, and may suggest that the vehicle has “locked
itself”.

Technical Background
The lock command history is stored in the comfort system central control module, J393 (address word 0046) or
the central locking control module, J429 (address word 0009).

Production Solution
Not applicable.

Service
To identify the source of why a vehicle locked or unlocked, inspect the vehicle’s locking history.
Reference the information applicable to your vehicle below.

Page 1 of 6
© 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.

Be aware that the vehicle has a maximum number of events which it can store. In some cases, the historical data
which corresponds to a concern may have been overwritten by more recent events.

A3 (8P), Q3 (8U), R8 (42), and TT (8J):
Control Module: Central Locking Control Module Address 0009
Number Of Events: 10
MVB: 101-110
Source Location: Field 1
Lookup Table: A
Tip: For A3 (8P), TT, and R8 models, the measuring value blocks are only available from model year
2010.

A3 (8V) and TT (FV):
Control Module: Central Locking Control Module Address 0009
Number Of Events: 10
MVB: “central locking history data”
Lookup Table: A

A4 (8K), A5, Q5, A6/A7 (4G), A8 (4H), and R8 (4S):
Control Module: Comfort System Control Module Address 0046
Number Of Events: 5
MVB: 55-59
Last Event Location: Field 1
Lookup Table: A

Table A
ID

Value

0

No Data Available

1

Lock Cylinder, L/F

2

Lock Cylinder, R/F

Page 2 of 6
© 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.

3

Lock Cylinder, Trunk

4

Remote Control Key

5

Remote Control Key, Trunk Button

6

Door Handle Sensor, L/F

7

Door Handle Sensor, R/F

8

Door Handle Sensor, L/R

9

Door Handle Sensor, R/R

10

Keyless Entry, Trunk

11

Interior Button, L/F

12

Interior Button, R/F

13

Interior Button, L/R

14

Interior Button R/R

15

Automatic Relock (Vehicle Was Not Opened Within One Minute Of Unlocking)

16

Terminal 15 (Accessory Power) On

17

Crash

18

Auto Lock (Vehicle Speed Over 9 MPH (15 km/h)

19

Auto Unlock (After Switching S-Contact Off (Vehicle Off)

20

Airbag Signal Failure

A6 (4F) and Q7 (4L):
Control Module: Comfort System Control Module Address 0046
Number Of Events: 1
MVB: 17
Last Event Location: Field 1
Lookup Table: B

Page 3 of 6
© 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: On the A6 and Q7, only the very last operating command of the vehicle locking can be read. Auto lock
overwrites this value.

Table B
ID

Value

0

No Data Available

1

Remote Control Key

2

Remote Control Key, Trunk Button

3

Keyless Lock

4

Lock Cylinder, L/F

5

Interior Button, L/F

6

Interior Button, R/F

7

Interior Button, L/R

8

Interior Button R/R

9

Auto Lock (Vehicle Speed Over 9 MPH (15 km/h)

10

Automatic Relock (Vehicle Was Not Opened Within One Minute Of Unlocking)

11

Lock Via Diagnostic Output Test

A4 (F4), A5 (F5), Q5 (FY), Q7 (4M), A6 (4A), A7 (4KA), A8 (4N) and Q8 (4MN):
Control Module: Comfort System Control Module Address 0046
Number Of Events: 20
MVB: “History data central locking ” ** “ last event”
Lookup Table: C

Table C
ID

Value

0

no data present

Page 4 of 6
© 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.

1

Lock cylinder L/F

2

Lock cylinder R/F

3

Remote control

4

Outside door handle sensor, L/F

5

Outside door handle sensor, R/F

6

Outside door handle sensor, L/R

7

Outside door handle sensor, R/R

8

Driver interior locking button

9

Front passenger interior locking button

10

Driver side rear interior locking button

11

Front passenger side rear interior locking button

12

Re-locking to opening via radio or outside door handle sensor

13

Autolock

14

Locking mechanism button in the rear lid

15

Locking via Smartphone-App

16

Locking by special purpose vehicle control module

17

Distance to vehicle

18

The terminal control, remote control

19

Terminal control, outside door handle sensor, L/F

20

Terminal control, outside door handle sensor, R/F

21

Terminal control, outside door handle sensor, L/R

22

Terminal control, outside door handle sensor, R/R

23

Terminal control, rear lid lock button / rear key sensor

24

Terminal control, locking cylinder, L/F

25

Terminal control, a front sensor for the keyless locking system

Page 5 of 6
© 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.

26

Piloted parking

27

Remote locking via connect-service

28

Remote locking via a vehicle positioning system

29

Antenna for short-range communication in the driver door

30

Antenna for short-range communication in the front passenger door

31

Antenna for close range communication in the rear lid

32

Pre Sense

35

Auto Lock Rear Lid

Warranty
This TSB is informational only and not applicable to any Audi Warranty.

Additional Information
All parts and service references provided in this TSB (2022032) 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.
©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 6 of 6
© 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.