Technical Service Bulletin
01 MIL on, DTC P209600 and/or P209800 stored in ECM
01 19 96 2046611/4 January 2, 2019. Supersedes Technical Service Bulletin Group 01 number 18-85 dated
September 7, 2018 for reasons listed below.
Model(s)

Year

VIN Range

Vehicle-Specific Equipment

A8, S6, S7,
S8, and RS
6

2013 - 2018

All

4.0L

RS 7

2014 - 2018

All

4.0L

Condition
REVISION HISTORY
Revision

Date

Purpose

4

-

Revised header (Added Model Years)
Revised Condition (Updated information)
Revised Warranty (Updated Labor Operations)
Revised Required Parts and Tools (Updated Part Numbers)

3

09/07/2018

Revised header data (Added model years)

2

02/17/2017

Revised Service (Updated instructions)
Revised header data (Updated diagnostic codes)

Customer statement:
 MIL on.
Workshop findings:
The following DTCs are logged individually or in combination in the engine control module (ECM), J623 (address
word 0001):
 DTC P209600 (Post Catalyst Fuel Trim System Bank1 Too Lean).
 DTC P209800 (Post Catalyst Fuel Trim System Bank2 Too Lean).
Any other DTCs regarding the oxygen sensors before the catalyst that may have been logged before or after the
above DTCs should be ignored.
After performing a leakage test of the exhaust system, as part of the GFF test, the Guided Fault Finding
recommends the replacement of the oxygen sensor before the catalyst. Do not replace the front oxygen
sensor.

Page 1 of 3
© 2019 Audi 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 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 internal reference duct of the oxygen sensor after the catalyst has been contaminated.

Production Solution
Not applicable.

Service
Replace the oxygen sensor after the catalyst of the affected bank only, according to the DTC fault
memory. The replacement of the oxygen sensors before the catalyst are not required.
Ensure that the correct sensor per the GFF DTC fault memory is installed. Reference ElsaPro for the locations.

Warranty
Claim Type:

 110 up to 48 Months/50,000 Miles.
 G10 for CPO Covered Vehicles – Verify Owner.
 If vehicle is outside any warranty, this Technical Service Bulletin is informational
only.

Service Number:

2473

Damage Code:

0040

Labor Operations:

Oxygen sensor after catalyst G130 (Bank1)

2473 1921

See SRT

Oxygen sensor after catalyst G131 (Bank2)

2473 1922

See SRT

Oxygen sensors after catalyst (only if both
DTC are present in current GFF log)

2473 2021

See SRT

GFF

0150 0000

Time stated on
diagnostic protocol
(20 TU Max)

Road test prior to service procedure

No allowance

0 TU

Road test after service procedure

0121 0004

10 TU

Diagnostic Time:

Claim Comment:

As per TSB #2046611/4

Page 2 of 3
© 2019 Audi 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 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
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.

Required Parts and Tools
Always check with your Parts Department and/or ETKA for the latest information and parts bulletins.
Part Number

Part Description

Quantity

4H0906265L

Oxygen sensor after catalyst G130 (Bank1)

01

4H0906265M

Oxygen sensor after catalyst G131 (Bank2)

01

See ETKA

Fasteners, Bolts, Nuts and Screws as needed per the
Repair Manual

See ETKA/ELSA

Additional Information
All parts and service references provided in this TSB (2046611) are subject to change and/or removal.
©2019 Audi 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
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.

Page 3 of 3
© 2019 Audi 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 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.