91 SOS Warning Displayed On Instrument Cluster
91 17 20 2046155/3 April 4, 2017. Supersedes Technical Service Bulletin Group 91 number 17-99 dated January
4, 2017 for reasons listed below.
Model(s)

Year

VIN Range

Vehicle-Specific Equipment

A4

2016 - 2017

All

With connected gateway

Condition
REVISION HISTORY
Revision

Date

Purpose

3

-

Revised Service (Updated connector pin number in Step 11)

2

01/04/2017 Revised header data (Added model year)

1

12/12/2016 Initial publication

 Customer may report a SOS warning
message is displayed on the
instrument cluster (Figure 1)
 DTC B105313 GSM antenna Open
Circuit stored in connected Gateway
Module (databus onboard diagnostic
interface), J533 (address word 0019)

Figure 1. SOS warning in instrument cluster.

Technical Background
Poor connection in the coaxial wiring from the Gateway Module J533 to the external R263 antenna.

Page 1 of 14
© 2017 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.

Production Solution
Not applicable.

Service
1.

Verify the customer concern.

2.

Install new antenna and bracket to correct poor connection to Gateway Module J533.

3.

Gain access to the right rear body harness by removing the following. Consult repair manual for
instructions:
 Rear Shelf
 D-Pillar Trim Panel - Right
 C-Pillar-Trim Panel - Right
 Side Cushion – Right
 Rear Seat Belt Guide – Right
 Rear Sill Panel – Right
 Rear Bench Seat

4.

Insulate the mounting points for the new antenna bracket (8W0035596):
 Right mounting hole (Figure 2)
 Cut three, 1 inch long strips of adhesive tape (D373125A2)
 Forward and rear facing sides of mounting hole: place one of the 1 inch strips (Figure 2A)
 Left and right sides of mounting hole: cut the remaining 1 inch strip in half, making two 1/2 inch
strips. Place one of the 1/2 inch strips on the left side and the other on the right side of the
mounting hole (Figure 1C)

Tip: Make sure the adhesive tape (D373125A2) wraps around the mounting hole and secures to the
rear of the panel (Figure 2B and Figure 3B).

Page 2 of 14
© 2017 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 2. Add adhesive tape to insulate right mounting points for the new antenna bracket.
Left mounting hole (Figure 3):
 Cut one, 1 inch long strip of adhesive tape (D373125A2)
 Cut this strip in half, creating two 1 inch strips
 On the left side of the mounting hole, wrap one of the strips around the opening (Figure 3A)
On the right side of the mounting hole lay the other strip down. Strip should face front to back. 50% of
the strip’s width should overlap the mounting hole (Figure 3C).

Page 3 of 14
© 2017 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 3. Add adhesive tape to insulate left mounting points for the new antenna bracket.
5.

Install the new antenna (4M0035504):
 Clip the new antenna (4M0035504) into the new antenna bracket (8W0035596)
Secure the new assembly into the mounting holes (Figure 4):
 Insert new antenna bracket (8W0035596) into the left mounting hole (Figure 4A)
 Rotate the new antenna bracket down into the right mounting hole (Figure 4B)
 Ensure the locking tab is fully pressed forward (Figure 5B)
Make sure all areas of the rear shelf that come in contact with the mounting bracket are covered with
the adhesive tape. If not, remove the antenna bracket and adjust the tape applied in step 3 so that all
areas of the antenna bracket that come into contact with the rear self are insulated (Figure 5).

Page 4 of 14
© 2017 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 4. Install the new mounting bracket by inserting the retaining tab (A) into the left mounting
hole. Rotate the bracket down into the right mounting hole (B).

Page 5 of 14
© 2017 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 5. Ensure the locking tab of the mounting bracket is fully locked by pushing it forward (B).
Make sure all mounting surfaces are covered with the adhesive tape (A).
6.

Prep the new pre-made coaxial wire (000098655) by unrolling it. Ensure that there are no kinks or
bends during this process.

7.

Install new coaxial wire (000098655) on the rear deck lid:
 Plug the Fakra connector onto the new antenna
 Route coaxial cable along the path indicated by the dashed line in (Figure 6)
 The coaxial line will run along the sheet metal stamp indent, as shown by the dashed line (Figure
7)
 To avoid possible noises, wrap a strip of adhesive tape (D373125A2) around the coaxial wire
where it comes into contact with the sheet metal (Figure 6A)
 Secure the new coaxial wire (000098655) to the existing harness body clips (Figure 6B) by
wrapping a piece of cloth tape (N10729301) on each side of the body clip

Page 6 of 14
© 2017 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 6. Routing path of the new coaxial wire (000098655) is shown by the dashed line. Wrap a
strip of adhesive tape (D373125A2) around the coaxial wire where it comes into contact with the
sheet metal (A). Secure the new coaxial wire to the existing harness body clips wrapping a piece of
cloth tape (N10729301) on each side of the body clip.

Figure 7. The coaxial line will run along the sheet metal stamp indent, as shown by the dashed line.
8.

Attach the new coaxial wire (000098655) along the right rear of the vehicle:
 Route the new coaxial wire (000098655) along the path shown by the dashed line (Figure 8)
Secure the new coaxial wire (000098655) to the existing harness body clips:
 Wrap a piece of cloth tape (N10729301) on each side of the body clips (Figure 8A)
 Wrap a piece of cloth tape (N10729301) on the lower side of the body clip (Figure 8B)
 Replace the existing plastic zip tie (Figure 8C)

Page 7 of 14
© 2017 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 8. Route the new coaxial wire (000098655) along the path shown by the dashed line. Secure
the new coaxial wire to the existing harness body clips and wrap with cloth tape.
9.

Route the new coaxial wire (000098655) along the right of the vehicle:
 Route the new coaxial wire (000098655) along the path shown by the dashed line (Figure 9)
 Secure the new coaxial wire (000098655) to the existing harness body clips by replacing the
existing plastic zip tie (Figure 9A)

Page 8 of 14
© 2017 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 9. Route the new coaxial wire (000098655) along the path shown by the dashed line. Secure
the new coaxial wire to the existing harness body clips by replacing the exiting plastic zip ties (A).
10. Route the new coaxial wire (000098655) along the front of the rear seat:
 Route the new coaxial wire (000098655) inside the plastic conduit, along the path shown by the
dashed line in Figure 8.

Page 9 of 14
© 2017 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.

Tip: There is enough room inside the plastic conduit to feed the wire up without opening the conduit
(Figure 10).

Figure 10. There is enough room inside the plastic conduit to feed the wire without opening it.
11. Install the connector housing for antenna (6Q0035608K) onto the new coaxial wire (000098655) and
connect to Gateway:
 Remove the locking tab from the single Fakra connector on the new coaxial wire (000098655)
(Figure 11)

Figure 11. Remove coaxial wire from single Fakra connector. Lift locking pin (A, B, and C). Locking
pin removed (D and E). Lift primary locking tab (F). With primary locking tab lifted, pull coaxial wiring
from Fakra housing (G). Remove coaxial wiring from Fakra housing (H and I).
 Install the new connector housing for antenna (6Q0035608K) onto the new coaxial wire
(000098655) (Figure 12)
 Make sure the coaxial wire is fully seated in pin 1 of the connector
 You will hear an audible “click” (Figure 12C) when the coax wire is fully seated
 When installing the locking tab of the new connector housing for antenna (6Q0035608K), you will
hear two clicks as it seats. First “click” (Figure 12F). Second “click” (Figure 12G)

Page 10 of 14
© 2017 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 12. Insert coaxial wire into Fakra connector on Pin1 (A and B). When coaxial wire is fully
seated, there will be an audible “click” noise as the primary locking tab engages (C). Install the
locking pin into the Fakra connector (E). There will be one audible “click” noise at the first detent
(F). There will be a second audible “click” noise at the second detent (G).
12. Remove the original coaxial line from vehicle harness:
 Unplug the original pink connector from the gateway (Figure 13A)
 Where the coaxial wire enters the main harness, cut it off (Figure 13B)

Figure 13. Unplug the original pink coaxial connection from the Gateway Module (A). Follow the
coaxial wiring back to where it enters the harness and cut it off at the cut line shown by the dashed
line (B).

Page 11 of 14
© 2017 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.

13. Complete routing of the new coaxial wire (000098655) to the Gateway Module J533:
 Open the three tape points (Figure 14B)
 Open the two plastic zip tie points (Figure 14A)
 Route the coaxial wire along the path shown (Figure 14)
 Plug the new connector into the Gateway Module J533
Secure the new coaxial wire to the existing harness by:
 Installing new plastic zip ties (Figure 14A)
 Re-tape the harness at points shown with cloth tape (N10729301) (Figure 14B)

Figure 14. Cut the fabric tape at B. Route the new coaxial wire along the path shown by the dashed
line and re-tape the harness.
14. Reinstall all components that were removed to perform the repair.
15. Clear DTC memory.
16. Perform a key cycle and verify that no SOS warnings are present.

Page 12 of 14
© 2017 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.

Warranty
Claim Type:

 110 up to 48 Months/50,000 Miles.
 G10 for CPO Covered Vehicles – Verify Owner.
 If vehicle is outside any warranty, this Technical Service Bulletin is informational only.

Service Number:

9725

Damage Code:

0028

Labor Operations:

Central wiring harness repair

9709 4199

60 TU

C-Pillar trim remove + reinstall

7068 1900

90 TU

Diagnostic Time:

GFF or (when applicable) GFF – Checking and 0150 0000
clearing fault codes included in existing labor
operations

Time stated on
diagnostic
protocol (Max 60
TU)

Road test prior to service procedure

No allowance

0 TU

Road test after service procedure

0121 0004

10 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 #2046155/3

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
Part Number

Part Description

Quantity

6Q0035608K

Connector housing for antenna

01

8W0035596

Holder for antenna booster

01

4M0035504

Antenna booster

01

Page 13 of 14
© 2017 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.

000098655

Antenna connecting cable 4000mm

01

N 10729301

Cloth Tape

Consumable; accounting under
warranty/goodwill not permitted.

D373125A2

Adhesive Tape

Consumable; accounting under
warranty/goodwill not permitted.

Additional Information
All parts and service references provided in this TSB (2046155) are subject to change and/or removal. Always
check with your Parts Department and service manuals for the latest information.
©2017 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.

Page 14 of 14
© 2017 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.