Technical Service Bulletin
01 MIL on (DTC P203B00 stored in ECM fault memory) - TDI clean diesel only
01 14 84 2035368/3 July 28, 2014. Supersedes Technical Service Bulletin Group 01 number 14-81 dated June 24,
2014 for reasons listed below.
Model(s)

Year

VIN Range

Vehicle-Specific Equipment

Q5

2014

000001 - 103612

TDI clean diesel

A6, A7

2014

000001 - 143212

TDI clean diesel

A8

2014

All

TDI clean diesel

A8

2015

000001 - 000543

TDI clean diesel

Condition
REVISION HISTORY
Revision

Date

3

Purpose
Revised header data (Corrected Elsa display)
Revised Required Parts and Tools (Added part)

2

-

Revised header data (Added models, model years, and customer codes)
Revised Warranty (Updated Labor Operations with new models)

1

9/26/2013

Initial publication

• MIL on.
• DTC P203B00 (Reductant Level Sensor Circuit Range/Performance) is stored in the engine control module
(ECM), J623 (address word 01).

Technical Background
Due to a production issue for the level sensor, the ECM cannot correctly read the reductant (AdBlue) fluid level.

Production Solution
Improved level sensor.

© 2014 Audi of America, Inc.

Page 1 of 3

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
Service
Follow GFF test procedure for the stored DTC. If no resolution is found, replace the reduction agent tank sender
(G684 – delivery module for urea solution AdBlue) per the repair guide.

Warranty
Claim Type:

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

Service Number:

2683

Damage Code:

0040

Labor Operations:

A8 reductive agent container remove+reinstall

2681 1900

130 TU

A8 reductive agent supply module remove+reinstall

2683 1950

30 TU

A6/A7 reductive agent tank remove+reinstall

2681 1900

110 TU

A6/A7 reductive agent supply module remove+reinstall

2683 1950

20 TU

Q5 reductive agent supply module remove+reinstall

2683 1900

60 TU

Reductive agent inspect + add

2688 3550

20 TU

GFF

0150 0000

80 TU

Road test prior to service procedure

No allowance

0 TU

Road test after service procedure

No allowance

0 TU

Diagnostic Time:

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 #2035368/3

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.

© 2014 Audi of America, Inc.

Page 2 of 3

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

G 052910A4

Urea solution AdBlue

As needed (Max 3)

4G0131969C

A6/A7/A8 Delivery unit for reduction agent metering system

1

8R0131969C

Q5 Delivery module for urea solution AdBlue (check ETKA for
appropriate part number)

1

Additional Information
All parts and service references provided in this TSB (2035368) 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 3 of 3

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.