Technical Service Bulletin
48 Rear wheel steering malfunction - DTC B200FF0 or C12A329
48 23 47 2066318/4 June 29, 2023. Supersedes Technical Service Bulletin Group 48 number 22-29 dated April
28, 2022, for reasons listed below.
Model(s)

Year

A6, A7, and A8

2019 – 2024

A6 allroad, S6,
S7, and S8

2020 – 2024

A8 e quattro

2020 – 2021

VIN Range

Vehicle-Specific Equipment

All

Not Applicable

RS 6 Avant, A7 e
quattro, and RS 2021 – 2024
7

Condition
REVISION HISTORY
Revision

Date

Purpose

4

-

Revised header (Added Model Year)

3

04/28/2023

Revised header (Added Model Year)

2

03/29/2022

Revised Service (Updated SVM instructions)

Customer states:
• Steering malfunction warning in the instrument cluster.
Workshop findings:
One of the following DTCs are logged in the rear axle wheel steering control module, J1019 (address word
00CB):
• B200FF0 with symptom code 251 and/or 129.
or
• C12A329 with symptom code 224.

Technical Background
The software for the rear axle wheel steering control module needs to be updated.

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© 2023 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.

Technical Service Bulletin
Production Solution
Improved software for the rear axle wheel steering control module.

Service
SVM Update Instructions
1. Follow all instructions in TSB 2011732: 00 Software Version Management (SVM), operating instructions.
2. This step only applies to symptom code 251 (For the remaining symptom codes, go to step 3). Perform the
basic setting in the self-diagnosis of the J1019 control unit. (When doing so, use service login 20103).
3. Update the J1019 (00CB) using the SVM action code as listed in the table below, if necessary:
Model

A6, A7, and
A8

Old Software
Part Number
4N0909145C

Old
Software
Version

New Software
Part Number

New Software
Version

(or higher)

(or higher)

0398

4N0909145C

0399

SVM
Code
Input
CBA002

4. Perform wheel alignment, with the following recommendation:
• Go as far as the tolerance limits for negative camber and positive toe (toe-in) on the rear axle.
Select the center of the tolerance range for the toe on the front axle.

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:

4841

Damage Code:

0040

Labor Operations:

Software Update (Includes checking for DTCs)

0151 0000

Time stated on
the diagnostic
protocol (Max
60 TU)

Page 2 of 3
© 2023 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.

Technical Service Bulletin

Diagnostic Time:

Perform wheel alignment

4495 0300

See SRT with
associated
operations

GFF

0150 0000

Time stated on
diagnostic
protocol (Max
30 TU)

Road test prior to the service procedure

No allowance

0 TU

Road test after the service procedure

0121 0004

10 TU

Claim Comment:
As per TSB 2066318/4
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 part and service references provided in this TSB (2066318) 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.
©2023 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 3 of 3
© 2023 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.