91 Driver assist systems various malfunctions (Intersection/side assist, ACC inop when towing, etc.), DTC
B200FF9
91 21 28 2063502/2 September 3, 2021. Supersedes Technical Service Bulletin Group 91 number 21-15 dated
July 16, 2021 for reasons listed below.
Model(s)

Year

VIN Range

Vehicle-Specific Equipment

A6, A6
allroad, S6,
RS 6, A7,
S7, RS 7,
A8, A8
PHEV, Q7,
SQ7, Q8,
SQ8, RS
Q8, Audi etron quattro,
and Audi etron
sportback

2020

All

zFAS

A6, A6
allroad, S6,
A6 Avant,
A7, S7, and
A7 PHEV

2021

000001 - 040551

zFAS

RS 6, RS 6
Avant, and
RS 7

2021

900001 - 904242

zFAS

A8, A8
PHEV

2021

000001 - 009688

zFAS

Q7, SQ7

2021

000001 - 022611

zFAS

Q8, SQ8

2021

000001 - 018895

zFAS

RS Q8

2021

000001 - 018409

zFAS

Audi e-tron
quattro,
Audi e-tron
sportback

2021

000001 - 017455

zFAS

Condition
REVISION HISTORY
Revision

Date

Purpose

2

-

Revised header (Added VIN breaks)

Page 1 of 7
© 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.

Revised Condition (Added Note)
1

07/16/2021

Initial publication

Note:
This TSB does not apply to DTC(s) B200FF9 in the driver assist systems control module, J1121 (address word
00A5). Please refer to PSS 2061489: PSS 90 Pre sense malfunction/driver assist systems sporadically inop, DTC
B200FF9 is stored in the driver assist module.
Customer states:
Lane change assist/Intersection assist:
 The lane change assist/intersection assist is sporadically not working. One of the following messages is
displayed in the instrument cluster:
 “Intersection assist: fault. Please contact service.”
 “Side assist and exit warning system: fault. Please contact service.”
 “Rear cross-traffic assist: fault. Please contact service.”
 “Audi pre sense: fault. Please contact service.”
Traffic sign recognition
 The traffic sign based speed limit settings are not permanently stored and are lost with every ignition cycle.
Adaptive Cruise Assist
 Vehicles with steel suspension: ACA disengages/loses calibration when towing a trailer/bike rack.
Workshop findings:
Lane change assist/Intersection assist:
The following DTC may be entered in the front corner radar control modules, J1088/J1089 (address words
00DB/00DC):
 DTC B200FF9 (Internal malfunction) with symptom code 1311089.
And/or
The following DTC may be entered in the lane change assist control modules J769/J770 (address words
003C/00CF):
 DTC B200FF9 (Internal Malfunction) with one of the following symptoms codes 1311057, 1311058, 1311059,
and/ or 1311060.
Other
 Other customer concern (see above) may not enter a DTC in the vehicle.

Page 2 of 7
© 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.

Technical Background
Multiple driver assist features have been optimized. This update will affect the following control modules:
 Driver assist systems control module, J1121 (address word 00A5).
 Adaptive cruise control module, J428 (address word 0013).
 Lane change assist control module, J769/J770 (address words 003C/00CF).
 Front left/front right radar sensor control module for object detection, J1088/J1089 (address words
00DB/00DC).
 Control module for laser distance control, J1122 (address word 00CD).
 Airbag control module, J234 (address word 0015).

Production Solution
New software in production.

Service
Required equipment:
 ODIS Tester.
 SVM code.
 Software update package on SD Card if required (see Required Parts and Tools or download the software
from MirrorServer using the SD Creator Program).
Time to complete update:
 Approximately 60-120 minutes (includes 50 - 110 minutes for the software update and 10 minutes for the
SVM work).
Service work:
Note:
All outstanding campaigns must have been completed prior to running this update. Please familiarize
yourself with all steps of this update before proceeding.
1. Determine the driver assist systems control modules (zFAS), J1121 (address word 00A5) system designation
via ODIS (Figure 1):

Page 3 of 7
© 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.

Figure 1. zFAS system designation.
2. Select which SD Cards are required according to the system designation read in the prior step:
A. zFAS Var A: No SD Card is required.
B. MY20 Audi e-tron quattro and Audi e-tron sportback: zFAS Var B/C: SD Card P/N: 4N0906961AR is
required.
C. All other vehicles: zFAS Var B/C: USB-C drive P/N: 4N1906961 is required.
3.
Note:
Federal law requires the airbag’s Event Data Recorder (EDR) to be backed up prior to running the update in
this TSB (required only for MY20 Audi e-tron quattro and Audi e-tron sportback, skip to Step 4 for all other
vehicles).
 Please have the customer sign the declaration of consent available in the attachments of this TSB and
upload a picture/scan of it to DOC-IT.
 In ODIS, run the test program “J234 – Technical Service Bulletin (TSB) 2061023” via “Choose self-test”
>> 0015 – Airbag – J234 >> 0015 – Technical Service Bulletin (TSB).
 Make sure that the diagnostic session that includes the results from the aforementioned test plan is
uploaded to GFF Paperless.
4. Update the peripheral control modules using SVM code FASISKD5A001 (this update should take between
20 min and 30 min).

Page 4 of 7
© 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.

Customer information:
 This update includes multiple control modules. Certain customer personalization settings might be reset
to factory settings by this update.
 The dealership/workshop, Audi of America and/or Audi AG are not liable for third party modifications, like
undocumented retrofits, non-genuine accessories or any other modification not approved by Audi of
America that might be rendered inoperable by this update.
5. Exit the flash context in ODIS. Otherwise, it will not be possible to execute the following steps.
6.
Tip: This step is not required for zFAS Var A!
 If the vehicle has zFAS Var B/C installed, please insert the SD Card 4N0906961AR into the SD Card
reader (MY20 Audi e-tron quattro and Audi e-tron sportback).
Or
 Insert the USB-C drive 4N1906961 into an USB-C port (all other vehicles) in the vehicle.
For MY20 Audi e-tron quattro and Audi e-tron sportback, please refer to TSB 2056558: 91 MIB2+
Software Update Instructions for further information.
All other vehicles, please refer to TSB 2060523: 91 MIB3 Software Update Instructions for further
information.
7. Update the zFAS application software using SVM Code FASISKD5A002 (this update should take about 30
minutes).
Note:
Always start the update out of ODIS. Please do not perform the update via the red engineering menu
(method 2) unless you have been given prior approval from TAC.

Step Vehicle

1
2
1
2

MY20 Audi e-tron quattro
and Audi e-tron sportback
quattro, Audi e-tron
sportback
A6, A7, A8, Q7, Q8, MY21
Audi e-tron quattro, and Audi
e-tron sportback

SD Creator Part
number

SVM code

---

FASISKD5A001

4N0906961AR

FASISKD5A002

---

FASISKD5A001

4N1906961

FASISKD5A002

8. Let the vehicle perform a bus sleep cycle:

Page 5 of 7
© 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.

 Exit the flash context
 Switch the vehicle’s ignition off
 Remove the battery charger and diagnostic interface dongle from the vehicle.
 Close the hood, trunk, all doors and lock the vehicle.
 Wait approximately six minutes without handling the vehicle.

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:

9093

Damage Code:

0039

Labor Operations:

Software Update (Includes checking for
DTCs)

0151 0000

Time stated on
the diagnostic
protocol (Max
200 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

0121 0004

10 TU

Claim Comment:

As per TSB #2063502/2

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.

Required Parts and Tools
Model

SD Card

Quantity

MY20 Audi e-tron
quattro and Audi e-tron

4N0906961AR

01 (Shop tool)

Page 6 of 7
© 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.

sportback quattro, Audi
e-tron sportback
A6, A7, A8, Q7, Q8,
MY21 Audi e-tron
quattro, and Audi e-tron
sportback

4N1906961

01 (Shop tool)

Additional Information
The following Technical Service Bulletin(s) will be necessary to complete this procedure:
 TSB 2011732, 00 Software Version Management (SVM), operating instructions.
 TSB 2056558, 91 MIB2+ Software Update Instructions.
 TSB 2047812, 00 SD Creator: how to set up and use the SD Creator for obtaining vehicle software updates via
the MirrorServer.
 TSB 2060523, 91 MIB3 Software Update Instructions.
 TSB 2062601, 90 DTC U110100 is stored in the driver assistance systems control module.
All part and service references provided in this TSB (2063502) 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 7 of 7
© 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.