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NHTSA ID Number: 11030991

Manufacturer Communication Number: TSB_2059528_18

TSB/Document Date: 2026-04-07


Summary

This TSB provides information when the Emergency call SOS light has a fault, LED red; DTC B200000.


A Connection offline
Technical Service Bulletin Transaction No.: 2059528/18
91 ConBox High: Emergency call (SOS) fault/LED red, with DTC B200000 Release date: Mar 4, 2026
Condition
A4, A4 allroad, S4, AS
Sportback, S5 Sportback 2020 - 2025
AS, A5 Cabriolet, S5, and S5
Sportback 2020 — 2024
RS 5 Sportback, A6, A6
allroad, RS 6 Avant, A7, S7, .
RS 7,A8, $8,Q5,Q5e | | 2021-2025 ConBox High
quattro, Q5 Sportback, SQ5, With PR Code:
and SQ5 Sportback
Iw1
e-tron, and e-tron Sportback | 2021 — 2023 Iws
or
A7 e quattro 2021 -— 2022 Iw6
A8 e quattro 2021
e-tron GT, and RS e-tron GT 2022 — 2025
Q8 e-tron, Q8 Sportback e-
tron, SQ8 e-tron, and SQ8 2024
Sportback e-tron
REVISION HISTORY
revision [bate [rupose
18 Revised Service (Adjusted directions)
Revised Warranty (Updated claiming instructions)
17 11/26/25 Revised header (Updated SW filter)
Revised Condition (Added model table)
Revised Service (Adjusted directions for SW levels)
10/24/2025 | Revised Service (added solution for MY 24/25)
Customer states:
+ The following warning appears in the instrument cluster:

“Emergency call function: malfunction! Function unavailable. Please contact service” (Figure 1).
Emergency call
function: malfunction!
Function unavailable.
Please contact Service
Figure 1. Warning message.
Workshop findings:
The following DTC is stored in the Emergency Call Module and Communication Unit (ConBox), J949 (address word
0075):
+ DTC B200000: Ctrl. Module Faulty (active / static).
Technical Background
Software issue, DTC is stored without a good reason.
Production Solution
The DTC setting conditions will be optimized with new software versions for the Emergency Call Module and
Communication Unit (ConBox). This has been deployed since CW 29/2024.
Service
The solution to the complaint has two parts. Follow the steps below, start with part 1.
Ensure that the most current ODIS Version is being used (>= 2025.11.02).
Part 1 should be invoiced via this TSB. Part 2 should be invoiced via the applicable TSB for that part.
Please note that all software versions (including 05xx and 07xx) were only included in the measure
described under Part 1 from TSB revision 2059528/17, 91 ConBox High: Emergency call (SOS) faul/LED
red, with DTC B200000 and ODIS version 2025.11.02 onward. Please ensure that this TSB was performed
after November 12, 2025, before sending feedback.
Part 1:
If the following test program is not automatically entered in the test plan, the test plan filter can be changed
from “Standard” to “All”. The test program will then appear and can be used (Figure 2).

@ otfboard Diagnostic Information System Service - 24.1.1 (Confidentiality level: confidential)
Task: ---

Control units Orders DISS TPI Testplan Sequence Special functions

vi v

Cay~ |

With event memory entry
With DISS/TPI
Repair work ——
Own
i not available, ...
U146700 Data bus Service not available, ...
U146700 Data bus Service not available, ...
Figure 2. ODIS test plan filter.

1. From the test plan, perform program “J949 — Control Module for Emergency Call Module and Communication
Unit, check control module”. The program is automatically added as part of the test plan due to DTC
“B200000: Control module faulty” being logged. You can also find the function under the following path in
ODIS: Self-test >> Diagnostic capable systems >> 0075 — Control Module for Emergency Call Module and
Communication Unit -J949- >> 0075 — Electrical components >> Control Module for Emergency Call Module
and Communication Unit, check control module.

2. Then check whether the DTC has been erased, and the message has disappeared from the instrument
cluster. If the message is still shown, repeat step 1

3. Continue with part 2.

If the DTC cannot be deleted even after performing part 1 multiple times, please perform Guided Fault

Finding for this DTC.

Part 2:

An update package has been developed for specific hardware and software combinations. It contains improvements
for various complaints. Please refer to the header data in the TSBs listed below to determine whether the vehicle is
affected by this update.

To use these updates, please select the TSBs listed below:

+ Model years 2020 and 2021:

For vehicles of model years 2020 and 2021, a software package has been developed for a group of control units so
that several complaints can be fixed in one repair. Cluster 35 service update TSB 2067021: 91 MIB3: Garage
opener/SXM/Online Radio or other malfunctions B129B11, B129C 22, B123B13, B123C13, U044700 or B200000
(MY 2020) or recall 91DZ (MY 2021) describes how this software package will be distributed and used.

+ Model years 2022 and 2023 (+ certain vehicles from 2021):

For vehicles of model years 2022 and 2023, a software package is being developed for a group of control units so
that several complaints can be fixed in one repair, the Customer Service Package. TSB 2076404: 00 Deployment
overview for customer service packages MLB and MQB for MIB3/connectivity box/OCU3/LSR describes how this
software package will be distributed and used. Billing is done via the accounting instructions stated in the respective
TSB.

+ Model years 2024 and 2025: (+MY2023 with DAOOSF SW >=40XX)

For vehicles of model years 2024 and 2025, a software package has been developed for a group of control units so
that several complaints can be fixed in one repair. Cluster 3B+ customer service package. TSB 2079416 91 MMI:
overview of customer service packages MLB and MQB for MIB3/ConBox/OCU3/AED2/gateway after UNECE
deployment describes how this software package will be distributed and used. Billing is performed via the
accounting instructions stated in the respective TSB

If the Emergency Call Module and Communication Unit (ConBox), J949 (DA 0075) already has one of the
following software versions, the update is not necessary as it has already been installed.

+ 0498

+ 0512

* 0513

* 0740

+ 0750

+ 0751
Warranty

Accounting for Part 1:

See the table below.

Accounting for Part 2:

Billing is performed via the accounting instructions stated in the respective TSB.

Claim Type: + Ifthe vehicle is outside of any warranty, this Technical Service Bulletin is

informational only.
Damage Code: 0039
Labor Operations: GFF 01500010 |See SRT with
associated operations
GFF 01500060 |Labor according to the
diagnostic log
Claim Comment: As per TSB 2059528/18

All warranty claims submitted for payment must be in accordance with the AudieBay logo Warranty Policies and Procedures
Manual. Claims are subject to review or audit by AudieBay logo Warranty.

Additional Information

All part and service references provided in this TSB (2059528) 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.

©2026 AudieBay logo 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
AudieBay logo 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.

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TSB/Document ID: TSB_2059528_18

Replacement Service Bulletin Number:

MFR Communication Date: 2026-03-04

MFR Internal Campaign ID/Software Version:

Communication Type: Service Bulletin/Repair Instructions

NHTSA Components: ELECTRICAL SYSTEM

MFR Component System:

MFR Component Subsystem:


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