Technical Service Bulletin
20 MIL on (DTC P045600 - EVAP System Leak Detected NVLD (very small leak))
20 14 41 2035073/6 October 9, 2014. Supersedes Technical Service Bulletin Group 20 number 14-34 dated June
26, 2014 for reasons listed below.

Model(s)

Year

VIN Range

Vehicle-Specific Equipment

A3

2015

All

Not Applicable

A4

2013 - 2014

All

Not Applicable

A5

2013 - 2014

All

Not Applicable

A5 cabriolet

2013 - 2014

All

Not Applicable

Q5

2013 - 2014

All

Not Applicable

A6

2012 - 2014

All

Not Applicable

A7

2012 - 2014

All

Not Applicable

A8

2011 - 2014

All

Not Applicable

Condition
REVISION HISTORY
Revision

Date

Purpose

6

-

Revised header data (Added model)
Revised Warranty (Added A3 labor operations)
Added Required Parts and Tools

5

6/26/2014

Revised Warranty (Corrected labor operation)

4

3/21/2014

Revised header data (Added models)
Revised Production Solution (Updated part numbers)
Revised Warranty (Added models)

3

1/9/2014

Revised Service (Changed instructions)

2

11/14/2013

Revised header data (Added Q5)

1

10/16/2013

Initial publication

• MIL on.
• DTC P045600 (EVAP System Leak Detected NVLD (very small leak)) is stored in the engine control module
(ECM), J623 (address word 01).
• Drivability is not affected.
© 2014 Audi of America, Inc.

Page 1 of 4

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
Technical Background
The NVLD pressure switch may erroneously detect a very small leak.

Production Solution
New pressure sensors in production.

Service
1. Ensure that DTC P045600 (EVAP System Leak Detected NVLD (very small leak)) is stored in the engine
control module (ECM), J623 (address word 01). If DTC P045600 is not present, this bulletin does not apply.
2. Replace the NVLD pressure sensor, G400, with the latest part number available.
Note:
Due to the functionality of the new tank leak diagnostic system (NVLD), it is not possible to check the system
using a basic setting or an output diagnostic test mode like the previously-used LDP system.
Note: Always use a VIN to search parts in ETKA.

© 2014 Audi of America, Inc.

Page 2 of 4

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:

Use applicable claim type. If vehicle is outside any warranty, this Technical Service Bulletin
is informational only.

Service Number:

2041

Damage Code:

0040

Labor Operations:

A4/S4, A5/S5, A5/S5 Cabriolet, Q5, A6/A7:

2041 0199

10 TU

2025 1910

50 TU

2025 1900

40 TU

2041 1950

20 TU

6676 1900

40 TU

4405 1900

20 TU

0150 0000

Time stated
on diagnostic
protocol
(Max 20 TU)

NVLD J909 pressure switch replacement
A4/S4, A5/S5, A5/S5 Cabriolet, Q5:
Activated charcoal filter remove + reinstall
A6/A7:
Activated charcoal filter remove + reinstall
A3, A8:
NVLD pressure switch remove + reinstall
A3:
Rear wheel housing liner remove + reinstall
A8:
Wheel remove + reinstall
Diagnostic Time:

GFF – Checking and clearing fault codes included in
existing labor operations

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 #2035073/6

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.

© 2014 Audi of America, Inc.

Page 3 of 4

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

5Q0906253A (For A3)

Pressure switch

1

8K0906253H (For A8 and Q5 hybrid)

Pressure switch

1

8K0906253J (For B8 and C7)

Pressure switch

1

Additional Information
All parts and service references provided in this TSB (2035073) are subject to change and/or removal. Always
check with your Parts Department and service manuals for the latest information.

© 2014 Audi of America, Inc.

Page 4 of 4

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.