NHTSA ID Number: 11016540
Manufacturer Communication Number: TSB_2077086_1
TSB/Document Date: 2025-04-04
Summary
This TSB provides informaito when there are DTCs (B18BD11, B18BE11, B18BF11, B1A6711, B18CD11, B18CE11, B1BE711, B1A9911, B1BE611) stored, and the Red emergency call is illuminated.
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Technical Service Bulletin
Topic 91 Red emergency call LED with DTCs stored for Antenna/Aerial B18BD11, B18BE11, B18BF 11,
PI B1A6711, B18CD11, B18CE11
United States 444 Volkswagen of America, Inc. (6444)
jo.
[Status | Released for publishing
Release date |Mar 4, 2025
Diagnostic trouble codes
. . . . Fault Storage
Diagnostic address Diagnostic trouble code
0075 - Emergency call B18BF11: Mobile communications antenna 3 for
module and communication | emergency call module and communications unit Short static
unit circuit to Ground (GND)
0075 - Emergency call B1A6711: Mobile communications antenna 4 for
module and communication | emergency call module and communications unit Short static
unit circuit to Ground (GND)
Foe em sen ey cal tion B18CD11: Antenna for internal vehicle communication static
unit Short circuit to Ground (GND)
0075 - Emergency call . A - oe
module and communication B18CE11: Antenna 2 for internal vehicle communication static
unit Short circuit to Ground (GND)
0075 - Emergency call . . a
module and communication B1 BE711: Antenna 3 for internal vehicle communication static
unit Short circuit to Ground (GND)
0075 - Emergency call . B1A9911: Bluetooth antenna, low energy Short circuit to A
module and communication static
unit Ground (GND)
oo emergency cal tion B1BE611: Bluetooth antenna 2, low energy Short circuit static
unit to Ground (GND)
0075 - Emergency call B18BD11: Mobile communications antenna 1 for
module and communication | emergency call module and communications unit Short Intermittent
unit circuit to Ground (GND)
0075 - Emergency call B18BE11: Mobile communications antenna 2 for
module and communication | emergency call module and communications unit Short Intermittent
unit circuit to Ground (GND)
0075 - Emergency call B18BF11: Mobile communications antenna 3 for
module and communication | emergency call module and communications unit Short Intermittent
unit circuit to Ground (GND)
0075 - Emergency call B1A6711: Mobile communications antenna 4 for Intermittent
module and communication | emergency call module and communications unit Short
. . . . Fault Storage
Diagnostic address Diagnostic trouble code
[unt eeutto Ground (GND) rT
0075 | Emergency cal on B18CD11: Antenna for internal vehicle communication Intermittent
unit Short circuit to Ground (GND)
0075 - Emergency call . . - ae
module and communication B18CE11: Antenna 2 for internal vehicle communication Intermittent
unit Short circuit to Ground (GND)
Poe TM RDENCY Cat tion B1BE711: Antenna 3 for internal vehicle communication Intermittent
unit Short circuit to Ground (GND)
0075 - Emergency call . B1A9911: Bluetooth antenna, low energy Short circuit to .
module and communication G Intermittent
unit round (GND)
roe en sen ey cal tion B1BE611: Bluetooth antenna 2, low energy Short circuit Intermittent
unit to Ground (GND)
0075 - Emergency call B18BD11: Mobile communications antenna 1 for
module and communication |emergency call module and communications unit Short static
unit circuit to Ground (GND)
0075 - Emergency call B18BE11: Mobile communications antenna 2 for
module and communication | emergency call module and communications unit Short static
unit circuit to Ground (GND)
New customer code
Object of complaint Complaint type [Position]
information, navigation, communication, entertainment -> Online
Services -> automatic emergency call -> automatic online emergency | functionality -> no function
call
information, navigation, communication, entertainment -> Online functionality -> partially out of
Services -> automatic emergency call -> automatic online emergency order
call
information, navigation, communication, entertainment -> Online A . .
. . . functionality -> operation
Services -> automatic emergency call -> automatic online emergency ;
call sequence incorrect
information, navigation, communication, entertainment -> Online functionality -> gives incorrect
Services -> automatic emergency call -> automatic online emergency reading yg
call
information, navigation, communication, entertainment -> Online control modules, services ->
Services -> automatic emergency call -> automatic online emergency ”
call error message
information, navigation, communication, entertainment -> Online functionality -> no function
Services -> manual emergency call -> manual online emergency call
information, navigation, communication, entertainment -> Online functionality -> partially out of
Services -> manual emergency call -> manual online emergency call | order
information, navigation, communication, entertainment -> Online functionality -> operation
Services -> manual emergency call -> manual online emergency call | sequence incorrect
information, navigation, communication, entertainment -> Online functionality -> gives incorrect
Services -> manual emergency call -> manual online emergency call |reading
information, navigation, communication, entertainment -> Online control modules, services ->
Services -> manual emergency call -> manual online emergency call | error message
Diagnostic address Software part Software Hardware part Hardware
9 number version number version
0075 - Emergency call module and « ‘* ‘*
0075 - Emergency call module and *85B*.035.282.E* *
communication unit
0075 - Emergency call module and *85C*.035.283.H* *
communication unit
0075 - Emergency call module and *85F*.035.284.AD
communication unit
communication unit
communication unit
0075 - Emergency call module and « ‘* *
Documents
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Technical Service Bulletin Transaction No.: 2077086/1
y seen Biker a sett Biscet for Antenna/Aerial B18BD11, B18BE11, Release date: Mar 4, 2025
Condition
Customer states:
The vehicle may have one of the following issues:
+ Warning message about emergency call fault in instrument cluster.
+ Red emergency call LED in roof module.
+ Online services not available.
+ Wi-Fi function can only be used with restrictions.
+ Bluetooth functionality restricted.
Workshop findings:
One of the following DTCs are logged in the Emergency call module control unit and communication unit, J949
(diagnostic address: 0075) as static or intermittent:
+ DTC B18BD11: Mobile communications antenna 1 for emergency call module and communications unit - short
circuit to ground
+ DTC B18BE11: Mobile communications antenna 2 for emergency call module and communications unit - short
circuit to ground
+ DTC B18BF11: Mobile communications antenna 3 for emergency call module and communications unit - short
circuit to ground
+ DTC B1A6711: Mobile communications antenna 4 for emergency call module and communications unit - short
circuit to ground
+ DTC B18CD11: Vehicle Interior Communication Antenna - short circuit to ground
+ DTC B18CE11: Vehicle Interior Communication Antenna 2- short circuit to ground
+ DTC B1BE711: Vehicle Interior Communication Antenna 3- short circuit to ground
+ DTC B1A9911: Bluetooth antenna, low energy - short circuit to ground
+ DTC B1BE611: Bluetooth antenna 2, low energy - short circuit to ground
Technical Background
A hardware fault may result in the control unit causing a short circuit at the aerial input in particular circumstances.
Production Solution
All control units manufactured since CW 05/2025 have been checked and have no functional issues.
Service
Emergency call module control unit and communication unit J949 (diagnostic address 0075) must be replaced if one
of the event memory entries listed above is logged.
Use the established process via ETKA for this.
Warranty
Claim Type: + If the vehicle is outside of any warranty, this Technical Service Bulletin is
informational only.
Damage Code: 0010
Labor Operations: Remove and install/replace telematics control 9170 19xx / See SRT with
unit 9170 55xx associated operations
GFF / Guided Functions 0150 0060 Time stated on the
diagnostic protocol
Claim Comment: As per TSB 2077086/1
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
All part and service references provided in this TSB (2077086) 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.
©2025 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.
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TSB/Document ID: TSB_2077086_1
Replacement Service Bulletin Number:
MFR Communication Date: 2025-03-04
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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