Technical Service Bulletin
21 MIL on (DTC P0299 - negative pressure deviation); turbocharger excessive wastegate play
21 14 18 2031245/7 June 6, 2014. Supersedes Technical Service Bulletin Group 21 number 13-16 dated July 9,
2013 for reasons listed below.
Model(s)

Year

VIN Range

Vehicle-Specific Equipment

A4

2009 - 2012

All

Not Applicable

A5

2009 - 2012

All

Not Applicable

A5 Cabriolet

2009 - 2012

All

Not Applicable

Q5

2011 - 2012

All

Not Applicable

Condition
REVISION HISTORY
Revision

Date

Purpose

7

-

Revised header data (Added model years)
Revised Service (Corrected TSB reference number)
Revised Warranty (Updated Claim Type and Damage Code)

6

7/9/2013

Revised header data (Updated applicable vehicles)
Revised Service (Added Tip and new step)
Revised Required Parts and Tools (Removed parts; added line about necessary
parts shown in ElsaWeb for turbocharger replacement)

5

6/7/2013

Revised header data

4

4/4/2013

Revised header data

3

4/1/2013

Revised header data

2

3/6/13

Revised Warranty (SRT times)

1

10/25/12

Original publication

All of the following conditions apply:
• MIL on.
DTC P029900 (Negative Pressure Deviation) is stored as a static fault in the engine control module (ECM), J623
(address word 01).

© 2014 Audi of America, Inc.

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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
Under certain driving conditions, the linkage for the waste gate actuation can encounter excessive wear which
leads to play at the waste gate flap. This leads to boost escaping through a loose flap, which sets DTC P029900
(Negative Pressure Deviation).

Production Solution
Not applicable.

Service
1. Before beginning service:
• Address all other conditions, such as leaks/blockage in the intake system or additional DTCs
• For sporadic, single occurrences of DTC P029900 (Negative Pressure Deviation), delete the DTC and
check if it reappears during road test.
• If DTC P023400 (Positive Pressure Deviation) is present, review TSB 2027082.
• After addressing these other conditions, check to see if the conditions listed in the Condition section of this
TSB still apply. If the conditions do not apply, this bulletin does not apply.
• Do not replace turbo unless instructed to do so by GFF.
• Claims are subject to review or audit by Audi Warranty. Repairs performed when all conditions do not
apply will not be reimbursed.
• Verify the condition by confirming that DTC
P029900 is stored in in the ECM, and that the
wastegate link plate has visible play in the
direction of the actuating rod (Figure 1). Review
the attached video clip for an example.

Figure 1. Worn eye on wastegate link plate allowing
excessive play.
© 2014 Audi of America, Inc.

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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
2. Remove turbocharger according to the instructions in ElsaWeb: Repair Manual >> Engine / Engine
Mechanical >> 21 Turbocharger, G-Charger >> Removal and Installation >> Turbocharger.
3. Install clip 06J145220B on a new, replacement
turbocharger’s link plate and actuating rod joint as
illustrated (Figures 2 and 3).
Tip:
• The spring clip must not be overstretched. The
maximum opening of the spring clip is 14 mm
(Figure 4, 1).
• The spring clip must be replaced after every
removal.
Note: Do not install clip on a used or predamaged turbocharger, as the same level of
improvement as on a new part is not achieved.
Figure 2. Fit the clip from the side.

Figure 3. Turn the clip counter clockwise till the lugs slot
in.

© 2014 Audi of America, Inc.

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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

Figure 4. (1) Maximum opening of clip, (2) Position of
original circlip
5. After fitting the spring clip, check for correct fit
(Figure 5).

Figure 5. Correctly-fitted clip.
6. After fitting the spring clip, check the position of
the original circlip (Figure 6, 2) and correct it if
necessary.

Figure 6. (1) Maximum opening of clip, (2) Position of
original circlip

© 2014 Audi of America, Inc.

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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. Install the new turbocharger according to the instructions in ElsaWeb: Repair Manual >> Engine >> Engine
Mechanical >> 21 Turbocharger, G-Charger >> Removal and Installation >> Turbocharger.
The part numbers of the new turbocharger and the turbocharger that is being replaced should match unless
otherwise noted in ETKA.
8. Clear DTC.

Warranty
Claim Type:

110 (Warr Ext Key U23 present and active)
or
1E2 (Warr Ext Key U23 present and active AND US1/US2 also present and active)

Service Number:

2130

Damage Code:

0010 (For Claim Type 110)
0016 (For Claim Type 1E2)

Labor Operations: Turbocharger remove + reinstall (Q5 only)

Diagnostic Time:

2130 1913

420 TU

Turbocharger remove + reinstall (All others)

2130 1913

370 TU

Turbocharger replace

2130 5563

30 TU

Install clip on turbocharger

2130 2199

10 TU

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

0150 0000

Time stated on
diagnostic
protocol
(Max 40 TU)

Road test prior to service procedure

0121 0002

10 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 #2031245/7

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.

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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

06J145220B

Clip

1

06H145702S

Turbocharger

1

Necessary parts for turbocharger replacement per Elsa

Additional Information
All parts and service references provided in this TSB (2031245) 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.

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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.