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NHTSA ID Number: 10120301

Manufacturer Communication Number: V011420 2037740

TSB/Document Date: 2017-10-21


Summary

Technical Bulletin (Update Programming for Catalyst System Bank Efficiency Below Threshold): This document informs of diagnostic fault codes which state that the Catalyst System Bank Efficiency is Below Threshold this is because the Diagnostic strategy was too sensitive. The production solution for this issue was to stop making the Engine Control Module, and thus it is out of production. This document discusses the "Fault Codes" necessary to diagnosis, and potential remedy of the issue. The fault codes for checking warranty coverage for servicing the vehicle are also available.


Technical Bulletin
Model(s)

Year

Engine Code

Trans. Code

From

To

Touareg

2007 – 2009

3.6L

All

All

All

(BHK)

Condition
01 14 20 September 10, 2014 2037740
Update Programming, MIL ON, DTCs P0420, P0430 Stored in ECM Fault Memory
One or more of the following fault codes may be stored in the ECM Fault Memory:

DTC

Description

P0420

Catalyst System Bank 1 Efficiency Below Threshold

P0430

Catalyst System Bank 2 Efficiency Below Threshold

Note:
DO NOT diagnose or replace components before performing the update function as explained in this bulletin.

Technical Background
Diagnostic strategy too sensitive.

Production Solution
Out of production.

Page 1 of 6 Plus attachment
© 2014 VolkswageneBay logo 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 VolkswageneBay logo 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
Update-Programming Procedure:

Tip:
To Update-Programming using SVM, review and follow instructions in Technical Bulletin Instance 2014603
“Software Version Management”.
The SVM Process must be completed in its entirety so the database receives the update confirmation response. A
warranty claim may not be reimbursed if there is no confirmation response to support the claim.

Note:
Prior to launching the ODIS service diagnostic applications and starting control module update process, confirm
tester screen saver and power settings in accordance with Special Tools and Equipment - Service Information
Circular # VVT-12-02. 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 6150X or 6160X 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.
VAS tools must only be used with their power adapters plugged in. Under no circumstances should they be used
on battery power alone during the programming procedure.

Critical Warning: : The Midtronics Battery Charger must be connected to the vehicle battery for the duration of
the programming, to ensure the battery state of charge remains above 12.5 volts during the update process. If the
battery drops below 12.5 volts, the programming could fail which may result in damage to the control module.
Control modules damaged by inadequate voltage will not be covered under the warranty policy. The technician
should verify the vehicle voltage prior to starting the update process, and should monitor the voltage for the
duration of the update.

Page 2 of 6 Plus attachment
© 2014 VolkswageneBay logo 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 VolkswageneBay logo 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
• Update the Engine Control Module using the SVM Unit code as listed in the table below:

Model

Engine

Old Software
Part No.

Old Software
Version

New Software
Part No.

New
Software
Version

SVM Code

Touareg

3.6L

03H906032AG

2533

03H906032AG

6651

35B1

03H906032S

7873

35B1

03H906032ED

7874

35B1

03H906032ED

7874

35B1

BHK

0689
0212

Touareg

3.6L

03H906032S

BHK

1558
1489
0554
0516
0301
0286

Touareg

3.6L

03H906032CB

BHK
Touareg

3.6L

1667
1380

03H906032ED

BHK

3259
2703
2443

The procedure can be found in GFF under Functions/ Component Selection, Software Version Management,
Adapting Software.

Page 3 of 6 Plus attachment
© 2014 VolkswageneBay logo 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 VolkswageneBay logo 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
WARNING:
Radiator Fan(s) may cycle ON high speed during the Update Process! There is a risk that personal injury may
result if contact is made with spinning fan blades.
Keep hands and all objects away from Radiator Fan(s) during Update Process!

Tip:
The SVM Process must be completed in its entirety so the database receives the update confirmation response. A
warranty claim may not be reimbursed if there is no confirmation response to support the claim or action is carried
out that is not explicitly stated in the Technical Bulletin.
Ensure attached ECM/TCM Tuning Form has been completed and signed by customer as required in SVM
Technical Bulletin Instance 2014603.

Page 4 of 6 Plus attachment
© 2014 VolkswageneBay logo 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 VolkswageneBay logo 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

2007 – 2009

3.6L

All

All

All

(BHK)
SAGA Coding
Claim Type:

Use applicable Claim Type

1)

Damage
Service Number:

HST

Damage Location
(Depends on Service No.)

--

Use applicable when
indicated in ElsaWeb
(L/R)

Code

2470

0039

Parts Manufacturer

Touareg

WWO

2)

3)

27068950 = 10 TU

Labor Operation : Update Programming

3)

Included in GFF Time Expenditure below

Causal Part: Select Labor Operation

01500000

Labor Operation : Charge Battery

Diagnostic Time

4)

GFF Time expenditure

01500000 = Actual GFF time

(includes reading and clearing
faults and setting readiness)

140 TU max.

Road Test

01210002 = 00 TU

YES

NO
01210004 = 00 TU
Technical Diagnosis

01320000 = 00 TU max.

NO

Claim Comment: Input “As per Technical Bulletin 2037740” in comment section of Warranty Claim.
Page 5 of 6 Plus attachment
© 2014 VolkswageneBay logo 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 VolkswageneBay logo 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
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 Policies and Procedures Manual.

Required Parts and Tools
No Special Parts required.

Tool Description

Tool No:

Midtronics Battery Tester/Charger

InCharge 940 (INC-940)

VAS Diagnostic Tool

VAS 6150/X & VAS 6160/X with:
ODIS Service with current online updates

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 6 of 6 Plus attachment
© 2014 VolkswageneBay logo 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 VolkswageneBay logo 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.

OWNER INFORMATION ABOUT CONTROL MODULE TUNING*
ACKNOWLEDGEMENT AND AUTHORIZATION FOR
REPROGRAMMING (REFLASHING) OF CONTROL MODULE(S)
*) “TUNING” is described as the addition of or modification of any component which causes a
VolkswageneBay logo vehicle to perform outside the normal parameters and specifications approved by
VolkswageneBay logo Group of America / VolkswageneBay logo Group Canada.

Date:
Dealer Number:
Vehicle Identification Number:
Repair Order Number:
Dealer stamp

I

, owner or driver of the above identified VolkswageneBay logo, confirm:

- “Tuning” as described above (especially power increasing modifications) has NOT been
performed on my vehicle.
- “Tuning” as described above has been performed on my vehicle and the following components
were modified or installed:

TUNING was performed by (Please provide Company name and telephone number, if you wish us
to contact them):

I understand that if my Control Module is determined to have been tuned, any damage caused by
the tuning of the Control Module (including adverse emissions consequences) will not be covered
by VWGoA / VGC warranties.
I am permitting an authorized VolkswageneBay logo Dealer to reflash (update) my Control Module, and by
doing so, I understand that this process will automatically overwrite (destroy) and permanently
delete any tuning program that was previously installed on the Control Module of my VolkswageneBay logo
vehicle.
By signing below, I fully acknowledge and understand that the tuning program will not be restored
and VWGoA / VGC, will not be liable in any way for the loss of tuning data.

Signature of Customer
E 2014 VolkswageneBay logo Group of America Inc. All rights reserved. Information contained in this document is based on the latest information available at the time of printi ng and is subject to the copyright and other intellectual
property rights of VGoA / VGCA Inc., its affiliated companies and its licensors. All rights are reserved to ma ke changes at any time without notice. No part of this document may be reproduced, stored in a retrieval system, or transmitte d in any
form or by any means, electronic, mechanical, photocopying, recording, or otherwise, nor may these materials be modified or rep osted to other sites, without the prior expressed written permission of the publisher .

1

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TSB/Document ID: V011420 2037740

Replacement Service Bulletin Number:

MFR Communication Date: 2014-09-10

MFR Internal Campaign ID/Software Version:

Communication Type: Service Bulletin/Repair Instructions

NHTSA Components: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR

MFR Component System:

MFR Component Subsystem:


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