Technical Bulletin
Model(s)

Year

Eng. Code

Trans. Code

VIN Range From

VIN Range To

Touareg

2012-2013

All

All

All

All

Condition
91 13 01 January 8, 2013 2031434
RNS 850 Radio Software Update
Customer may report one of the following concerns:
• HD Radio does not play back in stereo (plays in mono).
• Intermittent erratic display problems.

Technical Background
Continual improvements to RNS 850 software provides solutions to issues experienced in the field.

Production Solution
Improved software.

Page 1 of 8
© 2013 Volkswagen Group 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 Volkswagen Group 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 Bulletin
Service
Software update procedure
• Connect Midtronics InCharge 940 (INC 940) Tester/Charger to vehicle’s battery if not done so already.
• Install the update CD with the markings facing upwards into the internal drive of the RNS 850 located in the
passenger glove compartment, then wait a minimum of 2 minutes to allow the system to completely start up
and the update menu becomes available.
• Push and hold the SETUP and PHONE buttons simultaneously for 5 seconds (See Figure 1).

Figure 1

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© 2013 Volkswagen Group 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 Volkswagen Group 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 Bulletin
• After 5 seconds, the Engineering Menu display should be visible (See figure 2). Select “Update”.

Figure 2
• Select “CD/DVD” (See Figure 3).

Figure 3

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© 2013 Volkswagen Group 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 Volkswagen Group 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 Bulletin
• Select “Start” (See Figure 4).

Figure 4
• Select Software Update Release “HN+_US_VW_p0142_2” (See Figure 5).

Figure 5

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© 2013 Volkswagen Group 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 Volkswagen Group 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 Bulletin
• Once the software update has completed, select “Continue” (See figure 6.). Allow the software update process
to complete without interruption.

Figure 6
• Once the screen appears as in Figure 7, the update of the RNS 850 radio is complete. However, it is possible
that one or more DTCs may now be present in the 5F – Information Electronics Module. These DTCs must be
cleared using the following procedure.

Figure 7

Page 5 of 8
© 2013 Volkswagen Group 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 Volkswagen Group 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 Bulletin
Erasing DTCs:
Tip:
VAS Tester must have an internet connection to complete the procedure.

Note:
Prior to launching VAS-PC application and starting this procedure, confirm tester screen saver and power settings
in accordance with Special Tools and Equipment - Service Information Circular # VSE-08-18. Failure to do so may
result in the tester entering power save mode during data transfer, and subsequent control module failure.
When using a VAS 6150, 5051B or 5052A tester in conjunction with a VAS 5054A wireless transmitter head for a
flash procedure, please connect a USB cable between the transmitter head and the tester. Failure to do so may
lead to errors during the flash procedure.
• Access Test Plan 5F – Installation status test/reset DTC memory will be shown:

Figure 8
• Follow the test plan. When instructed, enter in Unit Code 3380.
Tip:
Erroneous DTCs will be cleared in the system upon completion of the test plan.

Page 6 of 8
© 2013 Volkswagen Group 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 Volkswagen Group 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 Bulletin
Warranty
To determine if this procedure is covered under Warranty, always refer to the Warranty Policies and
1)
Procedures Manual
Model(s)

Year(s)

Eng.
Code(s)

Trans.
Code(s)

VIN Range From

VIN Range To

Touareg

2012 - 2013

All

All

All

All

SAGA Coding
Claim Type:

Use applicable Claim Type

Service Number:

1)

Damage
Code

9112

HST

Damage Location (Depends on
Service No.)

--

Use applicable when indicated in
ElsaWeb (L/R)

0039

Parts Manufacturer

Touareg

3)

JTB

Labor Operation : Update Software

91122599 = 30 TU

Causal Part: Select labor operation

91122599
Diagnostic Time

GFF Time expenditure

01500000 = 20 TU max.

Road Test

01210002 = 10 TU

4)

01210004 = 10 TU
Technical Diagnosis

01320000 = 00 TU

YES
NO
NO

Claim Comment: Input “As per Technical Bulletin 2031434” in comment section of Warranty Claim.
1)

Vehicle may be outside any Warranty in which case this Technical Bulletin is informational only

2)

Code per warranty vendor code policy.

3)

Labor Time Units (TUs) are subject to change with ELSA updates.

4)

Documentation required per Warranty Policy Procedures Manual.

Page 7 of 8
© 2013 Volkswagen Group 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 Volkswagen Group 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 Bulletin
Required Parts and Tools
No special parts required.

Tool Description

Tool No:

Midtronics Battery Tester/Charger

InCharge 940 (INC-940)

VAS Diagnostic Tool

VAS-PC, 5051B, 5052A, 6150X
(Base CD V19.01.00 and Brand DVD V19.18.00 or
higher)

DVD, Radio Update Programming

K00.5001.49.21

Tip:
Additional copies of the DVD may be ordered from Volkswagen Technical Literature Ordering Center at
www.vw.techliterature.com.

Additional Information
All part and service references provided in this Technical Bulletin are subject to change and/or removal.
Always check with your Parts Dept. and Repair Manuals for the latest information.

Page 8 of 8
© 2013 Volkswagen Group 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 Volkswagen Group 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.