NHTSA ID Number: 10118353
Manufacturer Communication Number: A911631 2039476-
TSB/Document Date: 2017-10-04
Summary
The customer complains that the Audi
connect online service in their 2011-2013 A8, 2012-2013 Q7, or 2013 A4, A5, A5 cabriolet, or Q5 vehicle only reaches 2G service. The customer has received a letter from T-Mobile and/or Audi of America regarding the issue. The VIN on the letter matches the VIN on the vehicle that is being serviced. The vehicle can be within or outside of the New Vehicle Limited Warranty. A telephone module that supports 3G service on the 1900MHZ band was installed beginning with model year 2014 vehicles. No repairs are necessary for model year 2014 vehicles and later. Video shows the service procedure.
Technical Service Bulletin
91 MMI3G+ Audi connect only reaches 2G service - Telephone module replacement instructions for A4,
A5, A5 cab, Q5, Q7, A8
91 16 31 2039476/6 February 25, 2016. Supersedes Technical Service Bulletin Group 91 number 15-21 dated
October 16, 2015 for reasons listed below.
Model(s)
Year
VIN Range
Vehicle-Specific Equipment
A4, A5, A5
Cabriolet
2013
All
Audi connect
A8
2010 - 2013
All
Audi connect
Q5
2012 - 2013
All
Audi connect
Condition
REVISION HISTORY
Revision
Date
Purpose
6
-
Revised Service (Removed affected cities; added information about notification
letter)
Revised Warranty (Changed labor code for SVM update)
5
10/16/2015
Revised Condition (Updated affected areas)
Revised Service (Added note about updated part number and moved driver script
after ZUG update)
4
8/25/2015
Revised header data (Updated PR codes to exclude pull-ahead A8)
Revised Condition (Updated affected areas; added Tip about A8)
Revised Warranty (Added time for A8; added time for GFF for all vehicles)
• The customer complains that the Audi connect online service in their 2011-2013 A8, 2012-2013 Q7, or 2013
A4, A5, A5 cabriolet, or Q5 vehicle only reaches 2G service.
• The customer has received a letter from T-Mobile and/or Audi of America regarding the issue.
• The VIN on the letter matches the VIN on the vehicle that is being serviced. The vehicle can be within or
outside of the New Vehicle Limited Warranty.
Tip: This bulletin applies only to model year 2011-2013 A8, 2012-2013 Q7, and 2013 A4, A5, A5 cabriolet,
and 2013 Q5 vehicles. For 2012-2013 A6 and A7 vehicles see TSB 2039515. This bulletin does not apply to model
year 2014 and newer. Starting with model year 2014, the new telephone module was installed in production.
Model year 2014 A8 vehicles are not included in this repair. Model year 2014 was the last year before the A8
© 2016 Audi of America, Inc.
Page 1 of 13
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
product improvement and ElsaPro may classify these vehicles as model year 2013 because these vehicles are the
same from a technical and design standpoint. But unlike the model year 2013 vehicles, the model year 2014
vehicles already have the updated telephone module in the MMI.
Technical Background
Recently, T-Mobile (the service provider for Audi connect) has repurposed some of the GSM spectrum (3G on
2100Mhz band) to maximize 4G LTE coverage in certain metropolitan areas.
Devices that do not support 3G service on the 1900MHZ band (including MMI main units of the vehicles to which
this bulletin applies) will only receive 2G service when the switch is completed.
Production Solution
A telephone module that supports 3G service on the 1900MHZ band was installed beginning with model year 2014
vehicles. No repairs are necessary for model year 2014 vehicles and later.
Service
The telephone module can be replaced with an upgraded module that supports the additional 3G GSM spectrum.
Tip: The upgraded telephone module will only allow 3G to be received again in markets where T-Mobile has
repurposed the GSM spectrum for 4G LTE. It will not allow Audi connect to receive 4G LTE, which is not possible
with the MMI3G+ hardware.
Before starting the repair:
• Check the part number label of the currently-installed MMI main
unit. If the MMI main unit was replaced due to a GPS location
issue, the updated part already contains the newer UMTS
Telephone Module. The updated part numbers are:
• 8R1035746D, 8R1035746E, 8R1035746F, or 8R1035746G
• 4L2035746D, 4L2035746E, 4L2035746F, or 4L2035746G
• 4H0035746F, 4H0035746G, 4H0035746H, or 4H0035746J
If the part number suffix matches, the hardware repair is not
required. If the customer is allowed to switch to AT&T and
already has the updated part, an MMI software update may be
required. If so, skip to the Software updates section below.
• Review the Required Parts and Tools section of this bulletin.
• Obtain the telephone module retrofit kit listed in the Required
Parts and Tools section of this bulletin (if needed).
• Obtain the ZUG K0814 update on SD card listed in the Required
© 2016 Audi of America, Inc.
Figure 1. QR code for viewing the video
with a QR code reader on phones and
tablets. Alternatively, the video can be
accessed through computer internet
browsers at the link provided in this bulletin.
Page 2 of 13
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
Parts and Tools section of this bulletin.
• If the hardware module is being swapped:
• Obtain the telephone driver script from ServiceNet
(ServiceNet>>AUDI>>Technician References>>Audi MMI
Scripts). The file name is MMI3GP_UMTS_Driver_Script.zip.
Extract the three files to a separate SD card. Ensure that all
three files are extracted to the root location on the SD card
(do not store the files in a folder on the SD card and do not
copy the zip to the SD card; files must be extracted).
• Verify that the VAS6613 ESD work surface contains three
grounding straps. The repair cannot be completed without all
three grounding straps, including the ESD mat.
• Watch the “91 MMI3G Telephone Module Replacement
Instructions for A4, A5, A5 CAB, Q5, Q7, and A8” video at
• https://audi-external.kzoplatform.com:443/swf/player/300
(Figure 1). (See TSB 2039206 for more information about
viewing videos.)
Repair procedure if the updated hardware is required:
Note:
This exchange of the telephone module should only be performed in a clean environment due to sensitive
electronics. The repair should not be performed in a workshop environment.
1. Remove the MMI main unit from the vehicle according to the instructions in the Elsa Repair Manual.
• For Q7: Electrical System>>Communication>>MMI Infotainment (USA)>>Information Electronics Control
Module 1 J794, Removing and Installing
• For A4, A5, A5 cabriolet, Q5, and A8: Electrical System>>Communication>>91
Communication>>Infotainment System>>Information Electronics Control Module 1 J794, Removing and
Installing
2. Prepare for the ESD work surface by cleaning the work area of all loose debris and then drying the area with a
towel. Doing so ensures that no debris will be rolled into the mat when it is rolled up after use, which could
cause long-term damage to the ESD work surface.
3. Place the ESD anti-static mat onto the surface. Ensure that all three grounding straps are securely strapped to
the ESD mat.
© 2016 Audi of America, Inc.
Page 3 of 13
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
4. Ground the ESD mat by plugging the 110V grounding
strap into a wall socket or power strip (Figure 2). If a
power strip is used, it must be plugged into a grounded
wall outlet. (See attached user instructions for VAS6613
titled “VAS6613 ESD Workspace Guide.pdf”.)
Figure 2. VAS6613 ESD work surface grounding
plug.
5. Ground yourself by placing the elastic strap around your
wrist. Make sure it is securely touching your skin. It cannot
be loose-fitting or over your shirt cuff (Figure 3).
Figure 3. VAS6613 ESD work surface grounding
wrist strap.
© 2016 Audi of America, Inc.
Page 4 of 13
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
6. Ground the MMI main unit by placing an alligator clip on
the back, ensuring that it makes contact with the metal
housing of the main unit. The most secure location is at
the MOST connector (Figure 4).
A foam block can be used as a spacer under the main
unit to keep the grounding strap connected.
Figure 4. VAS6613 ESD work surface grounding
device clip.
Warning:
Your wrist, the ESD mat, and the main unit must remain grounded during the entire process.
7. Remove the seven screws that are holding the MMI top
cover in place (Figure 5).
Figure 5. MMI main unit with screw locations for top
cover indicated by the red arrows.
© 2016 Audi of America, Inc.
Page 5 of 13
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
8. Break the white warranty seal on the back of the main
unit (Figure 6).
Figure 6. Break white warranty seal.
9. Using a flat head screw driver, your fingers or a plastic
wedge trim tool, remove the top cover by prying it from
the back of the cover at the location seen in Figure 8. If a
flat head screw driver is used then touch the tool to the
ESD mat to discharge the tool prior to touching the main
unit.
Note:
Removal of the top cover is only allowed once. This
ensures that system components are not contaminated
with metal screw filings or other debris that can occur
after multiple attempts of opening the main unit.
Figure 7. Pry top cover off with fingers.
Figure 8. Pry top cover off using plastic trim wedge
© 2016 Audi of America, Inc.
Page 6 of 13
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
tool.
Note:
Do not flip the main unit over at this point. The CD drive,
which was held in place by the top cover screws, is no
longer secured. If it moves significantly, the ribbon cable
can detach from the circuit board and disable the CD
drive’s functionality (Figure 9).
Figure 9. CD drive mounting points are free to move.
10. On the back of the main unit, remove the retaining
screw that holds the telephone module in place (Figure
10).
Figure 10. Telephone module retaining screw
indicated by the red arrow.
© 2016 Audi of America, Inc.
Page 7 of 13
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
11. Carefully lift up the telephone module, using both ends
as points of contact when pulling up (Figure 11). The
module is held in place with a computer socket-type
attachment and will release when enough force is used.
Figure 11. Lift up on both ends of the telephone
module as indicated by the red arrows.
12. Before proceeding, write the serial number of the new
replacement UMTS telephone module on the rework
label (Figure 12).
Figure 12. Serial number of the PPIS UMTS
telephone module indicated by the red arrows and
red box.
© 2016 Audi of America, Inc.
Page 8 of 13
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
13. Place the new UMTS telephone module into the socket,
making sure it is level before snapping it into place.
Use both ends of the telephone module when pressing
it into place. Do not press down using the purple
FAKRA connector (Figure 13).
Figure 13. Do not press down using the purple
FAKRA connector.
14. Re-secure the telephone module retaining screw into the back of the MMI main unit.
15. Place the main unit top cover back into the MMI main unit housing.
16. Re-secure all seven top cover screws.
Note:
If the CD drive is not aligned properly it can cause difficulty when applying torque to the top cover screws.
17. Place the new warranty seal from the retrofit kit next to
the original warranty seal (Figure 14).
Figure 14. Place the new warranty seal over the
location indicated by the red arrows.
© 2016 Audi of America, Inc.
Page 9 of 13
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
18. Place the rework label on the top of the main unit cover.
Do not cover any part number labels (Figure 15). Fill
out all fields on the repair label.
Note:
Do not cover the yellow laser warning label. The repair
label may need to be placed on sideways due to space
limitations.
Figure 15. The white area indicates the “suggested”
location for the repair label on the top cover of the
main unit. Do not cover any existing part number
labels.
19. Reinstall the MMI main unit in the vehicle and proceed to Software updates.
Software updates (required for all repairs):
1.
Turn the vehicle ignition on. When the system is fully initialized, perform TSB 2028141 to update the ZUG
software to K0814, using the required software update SD card listed in the Required Parts and Tools section
of this bulletin.
Tip: Ensure that the SVM portion of the update is completed successfully without errors. If any issues
arise with SVM, contact TAC.
2.
Obtain the telephone driver script from ServiceNet. The file name is MMI3GP_UMTS_Driver_Script.zip, and
it is located at ServiceNet>>AUDI>>Technician References>>Audi MMI Scripts.
3.
Copy the telephone driver script to a PC and extract the three files to the root of an SD card. (The three files
are labeled “reboot”, “graphics”, and “copie_scr.sh”).
4.
Turn the vehicle ignition on and allow the MMI main unit to fully initialize. It may take up to three minutes for
the main unit to fully initialize due to the hardware replacement. All options will be white in the Telephone menu
of the MMI when the system has fully initialized.
5.
Insert the SD card into the left SD card slot of the main unit. Once the card is inserted, the system will
automatically start the update script. When the script completes, a prompt or message will show on the screen
indicating that the driver update is complete.
Tip: If the message does not show after one minute, eject and reinsert the SD card back into the main
unit. If the driver script is not allowed to complete, the MMI main unit will not be able to recognize any SIM
card. Contact TAC if there are any issues with this step.
6.
Remove the SD card and perform a three-finger reset on the MMI main unit. (See attachment
“MMI_SHORTCUT_KEYS.PDF”, which explains which keys to push for the reset for each Audi model.)
© 2016 Audi of America, Inc.
Page 10 of 13
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
7.
Once the system is fully initialized, insert the customer’s SIM card and verify that the system can receive a
signal.
Tip: If, after the ZUG software update the MMI main unit cannot recognize any SIM cards, repeat steps
4-7. Follow the attached SIM Card Troubleshooting Guide if the driver script has already been executed
correctly. If the system still does not recognize any SIM cards, contact TAC.
8.
Perform a quick verification test to ensure that all functions of the MMI are operating correctly:
• Place the customer’s SIM card into the SIM card slot. Ensure that 3G reception is obtained and test data
downloads by connecting a device to the vehicle’s Wi-Fi hotspot.
• Place an audio CD into the CD drive and check for normal playback.
• Check that Bluetooth pairing is working
• Verify that the AMI system is working
• Check AM/FM/SAT radio operation outside the shop
• Check that Navigation is receiving more four or more satellites (Navigation>>Route then scroll up to top,
then Select and scroll up to top again to obtain the number of satellites being received)
© 2016 Audi of America, Inc.
Page 11 of 13
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
Warranty
Claim Type:
1SP
Service Number:
9170
Damage Code:
0040
Labor Operations: For vehicles needing software update only (all models):
Update MMI software and perform SVM
9170 0299
120 TU
For vehicles needing hardware replacement and software update:
UMTS telephone module retrofit
9170 1999
160 TU
UMTS telephone module retrofit (Q7)
9170 1999
165 TU
UMTS telephone module retrofit (A8)
9170 1999
200 TU
GFF
0150 0000
Time stated on
diagnostic
protocol
(A4, A5, A5 cab, or Q5)
(Max 40 TU)
Diagnostic Time:
Road test prior to service procedure
No allowance
0 TU
Road test after service procedure
No allowance
0 TU
Technical diagnosis at dealer’s discretion
(Refer to Section 2.2.1.2 and Audi Warranty Online for DADP allowance details)
Claim Comment:
As per TSB #2039476/6
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.
© 2016 Audi of America, Inc.
Page 12 of 13
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
Required Parts and Tools
Part Number
Part Description
Quantity
8T0 051 431
PPIS UMTS telephone module for MMI3G+
1
VAS6613
ESD work surface
1
T10057
Radio removal tools
1
T40056A
Torx T8 screwdriver
1
3409
Trim removal wedge
1
1-2GB Blank SD card for driver script (
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TSB/Document ID: A911631 2039476-
Replacement Service Bulletin Number:
MFR Communication Date: 2016-02-25
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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- 【Bidirectional Test】This bidirectional scan tool Thinkdiag2 allows you to send commands from your smartphone directly to the vehicle's ECU for active testing, quickly locate problem areas, such as A/C clutch, windows, doors, sunroof, etc., reducing the diagnostic time and money. (Note: kindly send us VIN to check compatibility before order.)
- 【15+ Maintenance Functions】Thinkdiag2 OBDII code scanner is designed for individual car owners, DIYers, and small repair shops, which has a separate menu of 15 common special functions, such as Oil reset, EPB reset, SAS calibration, ABS bleeding, injector code, TPMS reset, etc. Enter from the all-system diagnostic menu to unlock more system special functions, and effectively handle the reset and relearn of most cars. Note: The Maintenance functions that each car can do may be different
- 【120+ car brands & FCA Autoauth+10 languages】Thinkcar thinkdiag2 helps you to troubleshoot the problems fast for 100 + US, European, Asian vehicle brands after 1996 that use the OBDII protocol. Only support 12V cars, including gasoline cars and diesel cars. Supporting Autoauth allows you to unlock the protected FCA vehicle SGW module on Chrysler, Dodge, Jeep, Alfa Romeo, Fiat vehicles, etc. (Note: Only provide AutoAuth login portal, and need purchase the registration number on the AutoAuth website by yourself.) Multilingual function allows workshop mechanics to avoid language barriers and use it around the world Without restriction
Last update on 2026-06-12 / Affiliate links / Images from Amazon Product Advertising API
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